PBDB

Opinions from O. P. Hay 1902

'Acanthaspis belongs to Ichthyodorulites'
'Acanthodes is a subjective synonym of Acanthoessus'
'Acanthodes affinis is recombined as Acanthoessus affinis'
'Acanthodes concinnus is recombined as Acanthoessus concinnus'
'Acanthodes pristis belongs to Acanthodes' according to Clarke 1885
'Acanthodes pristis is recombined as Acanthoessus pristis'
'Acanthodes semistriatus belongs to Acanthodes' according to Woodward 1892
'Acanthodes semistriatus is recombined as Acanthoessus semistriatus'
'Acanthodidae is replaced by Acanthoessidae'
'Acanthodii was reranked as a order and belongs to Ichthyotomi'
'Acanthoessidae belongs to Acanthodii'
'Acanthoessus belongs to Acanthoessidae'
'Acanthoessus bronni is recombined as Acanthodes bronni'
'Acantholepis is replaced by Eczematolepis'
'Acantholepis pustulosus belongs to Acantholepis' according to Newberry 1875
'Acantholepis pustulosus is recombined as Eczematolepis pustulosus'
'Accipitres belongs to Raptores'
'Acentrophorus belongs to Lepidotidae'
'Acentrophorus chicopensis belongs to Acentrophorus'
'Acentrophorus chicopensis belongs to Acentrophorus' according to Newberry 1888
'Aceratheriinae is a subjective synonym of Elasmotheriinae'
'Aceratherium belongs to Elasmotheriinae'
'Aceratherium acutum is a subjective synonym of Teleoceras fossiger'
'Aceratherium copei is recombined as Caenopus copei'
'Aceratherium megalodum is recombined as Aphelops megalodus'
'Aceratherium mite is recombined as Caenopus mitis'
'Aceratherium platycephalum belongs to Aceratherium'
'Aceratherium profectum is recombined as Aphelops profectus'
'Aceratherium pumilum is a subjective synonym of Caenopus mitis'
'Aceratherium tridactylum is recombined as Caenopus tridactylus'
'Aceratherium trigonodum is recombined as Leptaceratherium trigonodum'
'Aceratherium truquianum is recombined as Diceratherium truquianum'
'Achaenodon robustus belongs to Achaenodon'
'Achaenodontidae was reranked as the subfamily Achaenodontinae and belongs to Suidae'
'Acheloma belongs to Eryopidae'
'Acheloma cumminsi belongs to Acheloma'
'Acherontemys belongs to Chelydridae'
'Acherontemys heckmani belongs to Acherontemys'
'Acipenser belongs to Acipenseridae'
'Acipenser ornatus belongs to Acipenser'
'Acipenseridae belongs to Chondrostei'
'Aciprion belongs to Amphisbaenidae'
'Aciprion formosum belongs to Aciprion'
'Acondylacanthus belongs to Ichthyodorulites'
'Acondylacanthus aequicostatus belongs to Acondylacanthus' according to Saint John and Worthen 1875
'Acondylacanthus aequicostatus belongs to Acondylacanthus'
'Acondylacanthus gracilis belongs to Acondylacanthus' according to Saint John and Worthen 1875
'Acondylacanthus gracilis belongs to Acondylacanthus'
'Acondylacanthus mudgianus belongs to Acondylacanthus' according to Saint John and Worthen 1883
'Acondylacanthus mudgianus belongs to Acondylacanthus'
'Acondylacanthus nuperus belongs to Acondylacanthus'
'Acondylacanthus rectus belongs to Acondylacanthus' according to Saint John and Worthen 1883
'Acondylacanthus rectus belongs to Acondylacanthus'
'Acondylacanthus xiphias belongs to Acondylacanthus' according to Saint John and Worthen 1883
'Acondylacanthus xiphias is recombined as Ctenacanthus xiphias'
'Acrodobatis obliquus is recombined as Ginglymostoma obliquum'
'Acrodobatis serra is recombined as Ginglymostoma serra'
'Acrodus belongs to Heterodontidae'
'Acrodus emmonsi belongs to Acrodus' according to Leidy 1872
'Acrodus emmonsi belongs to Acrodus'
'Acrodus gaillardoti belongs to Acrodus'
'Acrodus humilis belongs to Acrodus' according to Leidy 1872
'Acrodus humilis belongs to Acrodus'
'Acrolepis belongs to Palaeoniscidae'
'Acrolepis hortonensis belongs to Acrolepis'
'Acrolepis sedgwicki belongs to Acrolepis'
'Actinistia was reranked as a order and belongs to Rhipidistia'
'Actinophorus is a subjective synonym of Tegeolepis'
'Actinophorus clarkii belongs to Actinophorus' according to Newberry 1888
'Actinophorus clarkii is recombined as Tegeolepis clarkii'
'Actinopteri was reranked as a superorder and belongs to Teleostomi'
'Adjidaumo belongs to Sciurinae'
'Adocidae belongs to Cryptodira'
'Adocus belongs to Adocidae'
'Adocus agilis belongs to Adocus'
'Adocus lineolatus is recombined as Compsemys lineolatus'
'Adocus petrosus is recombined as Agomphus petrosus'
'Adocus syntheticus belongs to Adocus'
'Aechmophorus belongs to Colymbidae'
'Aelurodon belongs to Caninae'
'Aelurodon compressus belongs to Aelurodon'
'Aelurodon ferox belongs to Aelurodon'
'Aelurodon hyaenoides belongs to Aelurodon'
'Aelurodon meandrinus belongs to Aelurodon'
'Aelurodon taxoides belongs to Aelurodon'
'Aeluroidea belongs to Fissipedia'
'Aelurotherium belongs to Machairodontinae'
'Aethyopus is a subjective synonym of Fulicopus'
'Aetobatis arcuatus is recombined as Aetobatus arcuatus'
'Aetobatis eximius belongs to Aetobatis' according to Leidy 1855
'Aetobatis eximius is recombined as Mesobatis eximius'
'Aetobatis perspicuus is recombined as Aetobatus perspicuus'
'Aetobatis profundus is recombined as Aetobatus profundus'
'Aetobatus belongs to Myliobatidae'
'Aetosauria belongs to Loricata'
'Aetosauridae belongs to Aetosauria'
'Agabelus belongs to Platanistinae'
'Agabelus porcatus belongs to Agabelus'
'Agassizichthys is a subjective synonym of Macropetalichthys'
'Agassichthys manni belongs to Agassichthys' according to Newberry 1857
'Agassizichthys manni is a subjective synonym of Macropetalichthys sullivanti'
'Agassichthys sullivanti belongs to Agassichthys' according to Newberry 1857
'Agassichthys sullivanti is recombined as Macropetalichthys sullivanti'
'Agassizodus scitulus belongs to Agassizodus' according to Saint John and Worthen 1875
'Agassizodus scitulus is recombined as Campodus scitulus'
'Agassizodus virginianus belongs to Agassizodus' according to Saint John and Worthen 1875
'Agassizodus virginianus is recombined as Campodus virginianus'
'Agathaumas belongs to Ceratopsidae'
'Agathaumas milo is a subjective synonym of Thespesius occidentalis'
'Agathaumas sylvestris belongs to Agathaumas'
'Agathaumidae is a subjective synonym of Ceratopsidae'
'Agomphus belongs to Adocidae'
'Agorophius belongs to Squalodontidae'
'Agouti belongs to Dasyproctidae'
'Agriochoeridae belongs to Cameloidea'
'Agriochoerinae belongs to Agriochoeridae'
'Agriochoerus belongs to Agriochoerinae'
'Agriochoerus antiquus belongs to Agriochoerus'
'Agriochoerus latifrons belongs to Agriochoerus'
'Agriochoerus major belongs to Agriochoerus'
'Agriochoerus pumilus [misspelled as Eomeryx pumilis] belongs to Eomeryx'
'Agriochoerus trifrons belongs to Agriochoerus'
'Agriomeryx is a subjective synonym of Agriochoerus'
'Agriomeryx migrans is recombined as Agriochoerus migrans'
'Agriotherium is replaced by Chorotherium'
'Agriotherium paradoxicus is recombined as Protoreodon paradoxicus'
'Aix belongs to Anatidae'
'Albulidae belongs to Isospondyli'
'Alburnops angustarcus is recombined as Notropis angustarcus'
'Alburnops gibbarcus is recombined as Rutilus gibbarcus'
'Alca impennis is recombined as Plautus impennis'
'Alces belongs to Cervinae'
'Alces americanus belongs to Alces' according to Jardine 1837
'Alces americanus belongs to Alces'
'Alces brevitrabalis belongs to Alces'
'Alces semipalmatus belongs to Alces'
'Alcidae belongs to Alcoidea'
'Alcoidea belongs to Cecomorphae'
'Alectoropodes belongs to Gallinae'
'Aletornis belongs to Gruidae'
'Aletornis bellus belongs to Aletornis'
'Aletornis gracilis belongs to Aletornis'
'Aletornis nobilis belongs to Aletornis'
'Aletornis pernix belongs to Aletornis'
'Aletornis venustus belongs to Aletornis'
'Allacodon belongs to Bolodontidae'
'Allacodon fortis belongs to Allacodon'
'Allacodon lentus belongs to Allacodon'
'Allacodon pumilus [misspelled as Allacodon pumilis] belongs to Allacodon'
'Allacodon rarus belongs to Allacodon'
'Alligator belongs to Crocodylidae'
'Alligator heterodon is recombined as Crocodylus heterodon'
'Allodon belongs to Bolodontidae'
'Allodon fortis belongs to Allodon'
'Allodon laticeps belongs to Allodon'
'Allodontidae is a subjective synonym of Bolodontidae'
'Allomyidae is a subjective synonym of Sciuridae'
'Allomys belongs to Pteromyinae'
'Allomys nitens belongs to Allomys'
'Allops is a subjective synonym of Megacerops'
'Allops crassicornis is recombined as Megacerops crassicornis'
'Allops serotinus is recombined as Megacerops serotinus'
'Allopus littoralis belongs to Allopus'
'Allosauridae is a subjective synonym of Megalosauridae'
'Allosaurus belongs to Megalosauridae'
'Allosaurus fragilis belongs to Allosaurus'
'Allosaurus lucaris is recombined as Antrodemus lucaris'
'Allosaurus medius is recombined as Antrodemus medius'
'Allotheria belongs to Prototheria'
'Amacanthus belongs to Ichthyodorulites'
'Ambloctonidae belongs to Creodonta'
'Ambloctonus belongs to Ambloctonidae'
'Ambloctonus sinosus belongs to Ambloctonus'
'Amblonyx is a subjective synonym of Fulicopus'
'Amblonyx giganteus is recombined as Fulicopus giganteus'
'Amblyodon belongs to Microsauria'
'Amblyodon problematicum belongs to Amblyodon'
'Amblypoda belongs to Monodelphia'
'Amblypterus belongs to Palaeoniscidae'
'Amblypterus carolinae belongs to Amblypterus'
'Amblypterus latus belongs to Amblypterus'
'Amblypus dextratus belongs to Amblypus'
'Ameiurus belongs to Siluridae'
'Ameiurus cancellatus belongs to Ameiurus' according to Cope 1891
'Ameiurus cancellatus belongs to Ameiurus'
'Ameiurus maconnellii belongs to Ameiurus' according to Cope 1891
'Ameiurus maconnellii belongs to Ameiurus'
'Amia belongs to Amiidae'
'Protamia is a subjective synonym of Amia'
'Amia (Protamia) gracilis is recombined as Amia gracilis'
'Amia (Protamia) media is recombined as Amia media'
'Amia (Protamia) uintaensis is recombined as Amia uintaensis'
'Amia depressus is corrected as Amia depressa and belongs to Amia'
'Amia dictyocephala belongs to Amia'
'Amia macrospondyla belongs to Amia'
'Amia newberrianus is corrected as Amia newberriana and belongs to Amia'
'Amia scutata belongs to Amia'
'Amia whiteavesiana belongs to Amia'
'Amiidae belongs to Halecomorphi'
'Amioidei is a subjective synonym of Halecomorphi'
'Amiopsis belongs to Amiidae'
'Amiopsis dartoni belongs to Amiopsis'
'Amiopsis prisca belongs to Amiopsis'
'Ammodon belongs to Achaenodontinae'
'Ammodon bathrodon belongs to Ammodon'
'Ammodon potens belongs to Ammodon'
'Ammosaurus belongs to Anchisauridae'
'Amphibamus belongs to Protritonidae'
'Amphibamus grandiceps belongs to Amphibamus'
'Amphicoelias belongs to Atlantosauridae'
'Amphicoelias altus belongs to Amphicoelias'
'Amphicoelias fragillimus belongs to Amphicoelias'
'Amphicoelias latus belongs to Amphicoelias'
'Amphicoelidae is a subjective synonym of Atlantosauridae'
'Amphicotylus is a subjective synonym of Goniopholis'
'Amphicotylus lucasii is recombined as Goniopholis lucasii'
'Amphicyon angustidens is recombined as Daphoenus angustidens'
'Amphicyon entoptychi is a subjective synonym of Paradaphoenus cuspigerus'
'Amphicyon gracilis is replaced by Cynodictis hylactor'
'Amphicyon vulpinum is recombined as Uintacyon vulpinus'
'Amphiemys is a subjective synonym of Agomphus'
'Amphiemys oxysternum is recombined as Agomphus oxysternum'
'Amphiplaga belongs to Aphredoderidae'
'Amphiplaga brachyptera belongs to Amphiplaga'
'Amphisauridae is a subjective synonym of Anchisauridae'
'Amphisaurus is replaced by Anchisaurus'
'Amphisbaenidae belongs to Sauria'
'Amphitheriidae belongs to Polyprotodontia'
'Amphorosteus is a subjective synonym of Mosasaurus'
'Amphorosteus brumbyi is recombined as Mosasaurus brumbyi'
'Amynodon belongs to Amynodontidae'
'Amynodon intermedius belongs to Amynodon'
'Amynodontidae belongs to Rhinocerotoidea'
'Amyzon belongs to Cyprinidae'
'Amyzon brevipinne belongs to Amyzon' according to Cope 1893
'Amyzon brevipinne belongs to Amyzon'
'Amyzon commune belongs to Amyzon' according to Cope 1874
'Amyzon commune belongs to Amyzon'
'Amyzon fusiforme belongs to Amyzon' according to Cope 1875
'Amyzon fusiforme belongs to Amyzon'
'Amyzon mentale belongs to Amyzon'
'Amyzon pandatum belongs to Amyzon' according to Cope 1875
'Amyzon pandatum belongs to Amyzon'
'Anaclitacanthus belongs to Ichthyodorulites'
'Anaclitacanthus semicostatus belongs to Anaclitacanthus'
'Anaclitacanthus semicostatus belongs to Anaclitacanthus' according to Saint John and Worthen 1875
'Anacodon belongs to Arctocyonidae'
'Anacodon ursidens belongs to Anacodon'
'Anaptogonia belongs to Microtinae'
'Anaptogonia cloacina belongs to Anaptogonia'
'Anaptomorphidae is a subjective synonym of Mixodectidae'
'Anaptomorphus belongs to Mixodectidae'
'Anaptomorphus aemulus belongs to Anaptomorphus'
'Anaptomorphus homunculus belongs to Anaptomorphus'
'Anas belongs to Anatidae'
'Anas acuta is recombined as Dafila acuta'
'Anas americana belongs to Anas'
'Anas anser is recombined as Anser anser'
'Anas bernicla is recombined as Branta bernicla'
'Anas boschas belongs to Anas'
'Anas canadensis is recombined as Branta canadensis'
'Anas carolinensis belongs to Anas'
'Anas clangula is recombined as Glaucionetta clangula'
'Anas clypeata is recombined as Spatula clypeata'
'Anas cyanoptera belongs to Anas'
'Anas discors belongs to Anas'
'Anas ferina [misspelled as Athya ferina] belongs to Athya'
'Anas hyemalis is recombined as Clangula hyemalis'
'Anas hyperboreus is recombined as Chen hyperborea'
'Anas islandica is recombined as Glaucionetta islandica'
'Anas marila [misspelled as Athya marila] belongs to Athya'
'Anas sponsa is recombined as Aix sponsa'
'Anatidae belongs to Anatoidea'
'Anatoidea belongs to Chenomorphae'
'Anchippodontidae belongs to Tillodontia'
'Anchippodus belongs to Anchippodontidae'
'Anchippodus riparius belongs to Anchippodus'
'Anchippus belongs to Hyracotheriinae'
'Anchippus brevidens belongs to Anchippus'
'Anchippus texanus belongs to Anchippus'
'Anchisauridae belongs to Theropoda'
'Anchisaurus belongs to Anchisauridae'
'Anchisaurus colurus belongs to Anchisaurus'
'Anchisaurus major is recombined as Ammosaurus major'
'Anchisaurus solus belongs to Anchisaurus'
'Anchisodon belongs to Triplopodinae'
'Anchisodon tubifer belongs to Anchisodon'
'Anchitherium belongs to Hyracotheriinae'
'Anchitherium (Hypohippus) was reranked as Hypohippus and belongs to Hyracotheriinae'
'Anchitherium (Hypohippus) affinis is recombined as Hypohippus affinis'
'Anchitherium (Parahippus) cognatus is a subjective synonym of Merychippus perditus'
'Anchitherium agreste is recombined as Miohippus agrestis'
'Anchitherium anceps is recombined as Miohippus anceps'
'Anchitherium aurelianense belongs to Anchitherium'
'Anchitherium australe is recombined as Miohippus australis'
'Anchitherium brachylophus is recombined as Miohippus brachylophus'
'Anchitherium celer is recombined as Miohippus celer'
'Anchitherium condoni is recombined as Miohippus condoni'
'Anchitherium cuneatum is recombined as Miohippus cuneatus'
'Anchitherium equiceps is recombined as Miohippus equiceps'
'Anchitherium equinum belongs to Anchitherium'
'Anchitherium exoletum is recombined as Miohippus exoletus'
'Anchitherium gracilis is recombined as Epihippus gracilis'
'Anchitherium longicristis is recombined as Miohippus longicristis'
'Anchitherium praestans is recombined as Miohippus praestans'
'Anchitherium ultimum is recombined as Miohippus ultimus'
'Anchitherium westoni is recombined as Miohippus westonii'
'Anchybopsis is a subjective synonym of Rutilus'
'Anchybopsis altarcus is recombined as Rutilus altarcus'
'Anchybopsis latus belongs to Anchybopsis' according to Cope 1870
'Anchybopsis latus is recombined as Rutilus latus'
'Ancistrodon is replaced by Grypodon'
'Ancistrodon texanus belongs to Ancistrodon' according to Dames 1883
'Ancistrodon texanus is recombined as Grypodon texanus'
'Ancodon belongs to Anthracotheriinae'
'Ancodus is a subjective synonym of Ancodon'
'Ancodus rostratus is recombined as Ancodon rostratus'
'Ancylopoda belongs to Monodelphia'
'Anguidae belongs to Sauria'
'Anisacodon belongs to Leptictidae'
'Anisacodon is a subjective synonym of Symborodon'
'Anisacodon elegans belongs to Anisacodon'
'Anisacodon montanus is recombined as Symborodon montanus'
'Anisichnus is a subjective synonym of Batrachopus'
'Anisodexis belongs to Eryopidae'
'Anisodexis enchodus belongs to Anisodexis'
'Anisodexis imbricarius belongs to Anisodexis'
'Anisonchinae belongs to Periptychidae'
'Anisonchus belongs to Anisonchinae'
'Anisonchus agapetillus is recombined as Oxyacodon agapetillus'
'Anisonchus apiculatus is a subjective synonym of Anisonchus gillianus'
'Anisonchus cophater is recombined as Conacodon cophater'
'Anisopus is replaced by Anisichnus'
'Anisopus gracilior is recombined as Batrachopus gracilior'
'Anogmius belongs to Osteoglossidae'
'Anogmius aratus belongs to Anogmius'
'Anogmius contractus belongs to Anogmius'
'Anogmius evolutus belongs to Anogmius' according to Cope 1877
'Anogmius evolutus belongs to Anogmius'
'Anogmius favirostris belongs to Anogmius'
'Anogmius polymicrodus belongs to Anogmius'
'Anomodon belongs to Leptictidae'
'Anomodon snyderi belongs to Anomodon'
'Anomodontia belongs to Reptilia'
'Anomoepus cuneatus belongs to Anomoepus'
'Anomoepus intermedius belongs to Anomoepus'
'Anomoepus isodactylus belongs to Anomoepus'
'Anomoepus minimus belongs to Anomoepus'
'Anomoepus scambus belongs to Anomoepus'
'Anoplonassa belongs to Ziphiinae'
'Anoplonassa forcipata belongs to Anoplonassa'
'Anosteira belongs to Anosteiridae'
'Anosteira ornata belongs to Anosteira'
'Anosteira radulina belongs to Anosteira'
'Anosteirinae was reranked as the family Anosteiridae and belongs to Cryptodira'
'Anostira molopina is recombined as Plastomenus molopinus'
'Anostira oedemia is recombined as Plastomenus oedemius'
'Anostira trionychoides is recombined as Plastomenus trionychoides'
'Anser belongs to Anatidae'
'Anser albifrons belongs to Anser'
'Anser condoni belongs to Anser'
'Anser hypsibata is recombined as Branta hypsibata'
'Anseriformes is a subjective synonym of Chenomorphae'
'Anthracopus ellangowensis belongs to Anthracopus' according to Leidy 1879
'Anthracopus ellangowensis belongs to Anthracopus'
'Anthracosauridae belongs to Apoecospondyli'
'Anthracotheriidae belongs to Anthracotherioidea'
'Anthracotheriinae belongs to Anthracotheriidae'
'Anthracotherioidea belongs to Artiodactyla'
'Anthracotherium belongs to Anthracotheriinae'
'Anthracotherium karense belongs to Anthracotherium'
'Anthracotherium magnum belongs to Anthracotherium'
'Anthracotherium occidentale is a subjective synonym of Anthracotherium curtum'
'Antiacodon belongs to Mixodectidae'
'Antiacodon crassus is recombined as Sarcolemur crassus'
'Sarcolemur furcatus is a subjective synonym of Sarcolemur pygmaeus'
'Antiacodon mentalis is recombined as Sarcolemur mentalis'
'Antiacodon venustus belongs to Antiacodon'
'Antiarcha belongs to Placodermi'
'Anticheiropus hamatus belongs to Anticheiropus'
'Anticheiropus pilulatus belongs to Anticheiropus'
'Antilocapra belongs to Antilocapridae'
'Antilocapridae belongs to Booidea'
'Antilope americana is recombined as Antilocapra americana'
'Antilopinae belongs to Bovidae'
'Antipus bifidus belongs to Antipus'
'Antipus flexiloquus belongs to Antipus'
'Antliodus belongs to Petalodontidae'
'Antliodus arcuatus belongs to Antliodus' according to Newberry 1889
'Antliodus arcuatus belongs to Antliodus'
'Antliodus cucullus belongs to Antliodus' according to Newberry and Worthen 1866
'Antliodus cucullus belongs to Antliodus'
'Antliodus gracilis belongs to Antliodus' according to Saint John and Worthen 1875
'Antliodus gracilis belongs to Antliodus'
'Antliodus mucronatus belongs to Antliodus' according to Newberry and Worthen 1866
'Antliodus mucronatus belongs to Antliodus'
'Antliodus parvulus belongs to Antliodus' according to Newberry and Worthen 1866
'Antliodus parvulus belongs to Antliodus'
'Antliodus perovalis belongs to Antliodus' according to Saint John and Worthen 1875
'Antliodus perovalis belongs to Antliodus'
'Antliodus politus belongs to Antliodus' according to Newberry and Worthen 1866
'Antliodus politus belongs to Antliodus'
'Antliodus robustus belongs to Antliodus' according to Newberry and Worthen 1866
'Antliodus robustus belongs to Antliodus'
'Antliodus sarcululus belongs to Antliodus' according to Newberry and Worthen 1866
'Antliodus sarcululus belongs to Antliodus'
'Antliodus similis belongs to Antliodus' according to Newberry and Worthen 1866
'Antliodus similis belongs to Antliodus'
'Antliodus simplex belongs to Antliodus' according to Newberry and Worthen 1866
'Antliodus simplex belongs to Antliodus'
'Antliodus sulcatus belongs to Antliodus' according to Newberry and Worthen 1866
'Antliodus sulcatus belongs to Antliodus'
'Antrodemus belongs to Megalosauridae'
'Anura is a subjective synonym of Salientia'
'Apateacanthus belongs to Ichthyodorulites'
'Apatemys belongs to Ischyromyidae'
'Apatemys bellus belongs to Apatemys'
'Apatichnus bellus belongs to Apatichnus'
'Apatichnus circumagens belongs to Apatichnus'
'Apatichnus crassus belongs to Apatichnus'
'Apatichnus curvatus is recombined as Anomoepus curvatus'
'Apatichnus holyokensis belongs to Apatichnus'
'Apatodon belongs to Iguanodontoidea'
'Apatodon mirus belongs to Apatodon'
'Apatornis belongs to Apatornithidae'
'Apatornithidae belongs to Pteropappi'
'Apatosaurus belongs to Atlantosauridae'
'Apatosaurus ajax belongs to Apatosaurus'
'Apatosaurus grandis is recombined as Morosaurus grandis'
'Apatosaurus laticollis belongs to Apatosaurus'
'Apedodus belongs to Holoptychiidae'
'Apedodus priscus belongs to Apedodus'
'Apedodus priscus belongs to Apedodus' according to Leidy 1856
'Aphelichthys belongs to Cyprininae'
'Aphelichthys lindahlii belongs to Aphelichthys' according to Cope 1893
'Aphelichthys lindahlii belongs to Aphelichthys'
'Apheliscus belongs to Limnotheriidae'
'Aphelophis belongs to Boidae'
'Aphelophis talpivorus belongs to Aphelophis'
'Aphelops belongs to Elasmotheriinae'
'Aphelops fossiger is recombined as Teleoceras fossiger'
'Aphelops jemezanus belongs to Aphelops'
'Aphelops malacorhinus belongs to Aphelops'
'Aphredoderidae belongs to Percoidea'
'Apoecospondyli belongs to Stegocephali'
'Aprionodon was reranked as Carcharhinus (Aprionodon) and belongs to Carcharhinus'
'Apsopelix belongs to Albulidae'
'Apsopelix sauriformis belongs to Apsopelix' according to Cope 1871
'Apsopelix sauriformis belongs to Apsopelix'
'Aquila belongs to Falconidae'
'Aquila dananus is corrected as Aquila danana and belongs to Aquila'
'Aquila pliogryps belongs to Aquila'
'Aquila sodalis belongs to Aquila'
'Arachichnus dehiscens belongs to Arachichnus'
'Archaelurus belongs to Machairodontinae'
'Archaelurus debilis belongs to Archaelurus'
'Archaenodon is corrected as Achaenodon and belongs to Achaenodontinae'
'Archaenodon insolens is recombined as Achaenodon insolens'
'Archaeobatis belongs to Psammodontidae'
'Archaeobatis gigas belongs to Archaeobatis' according to Newberry 1878
'Archaeobatis gigas belongs to Archaeobatis'
'Archaeobelus belongs to Clepsydropidae'
'Archaeobelus vellicatus belongs to Archaeobelus'
'Archaeoceti is a subjective synonym of Zeuglodontes'
'Archaeopterygidae belongs to Ornithopappi'
'Archaeopteryx belongs to Archaeopterygidae'
'Archaeornithes is a subjective synonym of Saururae'
'Archaeotherium mortoni is recombined as Elotherium mortoni'
'Archegosauridae belongs to Apoecospondyli'
'Archelon belongs to Protostegidae'
'Archelon ischyros belongs to Archelon'
'Archelon marshii belongs to Archelon'
'Arctocyon belongs to Arctocyonidae'
'Arctocyon primaevus belongs to Arctocyon'
'Arctocyonidae belongs to Creodonta'
'Arctodus belongs to Ursidae'
'Arctodus pristinus belongs to Arctodus'
'Arctoidea belongs to Fissipedia'
'Arctomys belongs to Sciurinae'
'Arctomys vetus belongs to Arctomys'
'Arctosaurus belongs to Anchisauridae'
'Arctosaurus osborni belongs to Arctosaurus'
'Arctotherium simum is recombined as Arctodus simus'
'Ardea belongs to Ardeidae'
'Ardea cinerea belongs to Ardea'
'Ardea grus is recombined as Grus grus'
'Ardea paloccidentalis belongs to Ardea'
'Ardeidae belongs to Ardeoidea'
'Ardeoidea belongs to Herodii'
'Argozoum disparidigitatum is a subjective synonym of Argoides macrodactylatus'
'Argozoum paridigitatum is a subjective synonym of Argoides isodactylatus'
'Artediellus belongs to Cottidae'
'Artediellus atlanticus belongs to Artediellus' according to Jordan and Evermann 1898
'Artediellus atlanticus belongs to Artediellus'
'Arthrodira belongs to Placodermi'
'Artiodactyla was reranked as a suborder and belongs to Ungulata'
'Artionyx gaudryi is recombined as Agriochoerus gaudryi'
'Arvicola is a subjective synonym of Microtus'
'Arvicola didelta is recombined as Microtus didelta'
'Arvicola hiatidens is recombined as Anaptogonia hiatidens'
'Arvicola speothen is recombined as Microtus speothen'
'Asineopidae is a subjective synonym of Aphredoderidae'
'Asineops belongs to Aphredoderidae'
'Asineops pauciradiatus belongs to Asineops'
'Asineops squamifrons belongs to Asineops' according to Cope 1870
'Asineops squamifrons belongs to Asineops'
'Aspidichthys belongs to Coccosteinae'
'Aspidichthys clavatus belongs to Aspidichthys' according to Newberry 1873
'Aspidichthys clavatus belongs to Aspidichthys'
'Aspidichthys notabilis belongs to Aspidichthys' according to Whiteaves 1892
'Aspidichthys notabilis belongs to Aspidichthys'
'Aspidodus crenulatus belongs to Aspidodus' according to Newberry and Worthen 1866
'Aspidodus crenulatus is recombined as Psephodus crenulatus'
'Aspidoganoidei belongs to Pisces'
'Asteracanthus siderius is recombined as Bythiacanthus siderius'
'Asterolepididae [misspelled as Asterolepidae] belongs to Antiarcha'
'Asterolepis belongs to Asterolepidae'
'Asterolepis ornata belongs to Asterolepis'
'Asteroptychius belongs to Ichthyodorulites'
'Asteroptychius bellulus belongs to Asteroptychius' according to Saint John and Worthen 1875
'Asteroptychius bellulus belongs to Asteroptychius'
'Asteroptychius elegans belongs to Asteroptychius' according to Newberry 1889
'Asteroptychius elegans belongs to Asteroptychius'
'Asteroptychius gracilis belongs to Asteroptychius' according to Newberry 1897
'Asteroptychius gracilis belongs to Asteroptychius'
'Asteroptychius keokuk belongs to Asteroptychius' according to Saint John and Worthen 1875
'Asteroptychius keokuk belongs to Asteroptychius'
'Asteroptychius ornatus belongs to Asteroptychius'
'Asteroptychius sanctiludovici belongs to Asteroptychius' according to Saint John and Worthen 1875
'Asteroptychius sanctiludovici belongs to Asteroptychius'
'Asteroptychius tenellus belongs to Asteroptychius' according to Saint John and Worthen 1883
'Asteroptychius tenellus belongs to Asteroptychius'
'Asteroptychius tenuis belongs to Asteroptychius' according to Saint John and Worthen 1875
'Asteroptychius tenuis belongs to Asteroptychius'
'Asteroptychius triangularis belongs to Asteroptychius'
'Asteroptychius triangularis belongs to Asteroptychius' according to Newberry and Worthen 1870
'Asteroptychius vetustus belongs to Asteroptychius' according to Saint John and Worthen 1875
'Asteroptychius vetustus belongs to Asteroptychius'
'Asterosteidae belongs to Arthrodira'
'Asterosteus belongs to Asterosteidae'
'Asterosteus stenocephalus belongs to Asterosteus' according to Newberry 1875
'Asterosteus stenocephalus belongs to Asterosteus'
'Asthenodon belongs to Dryolestidae'
'Asthenodon segnis belongs to Asthenodon'
'Astraspis belongs to Asterolepidae'
'Astraspis desiderata belongs to Astraspis'
'Astrodon belongs to Morosauridae'
'Astrodon johnstoni belongs to Astrodon'
'Athecae belongs to Testudines'
'Atlantochelys belongs to Protostegidae'
'Atlantochelys mortoni belongs to Atlantochelys'
'Atlantosauridae belongs to Opisthocoelia'
'Atlantosaurus belongs to Atlantosauridae'
'Atlantosaurus immanis belongs to Atlantosaurus'
'Aublysodon is a subjective synonym of Deinodon'
'Aublysodon amplus is recombined as Deinodon amplus'
'Aublysodon cristatus is recombined as Deinodon cristatus'
'Aublysodon lateralis is recombined as Deinodon lateralis'
'Aublysodon mirandus is a subjective synonym of Deinodon horridus'
'Auchenia californica is recombined as Camelops californicus'
'Auchenia hesterna is recombined as Camelops hesternus'
'Auchenia huerfanensis is a subjective synonym of Camelops kansanus'
'Auchenia major is recombined as Procamelus major'
'Auchenia minimus is recombined as Procamelus minimus'
'Auchenia minor is recombined as Procamelus minor'
'Auchenia vitakeriana is recombined as Camelops vitakerianus'
'Aves belongs to Vertebrata'
'Axestemys belongs to Trionychidae'
'Axestus is replaced by Axestemys'
'Axestus byssinus is recombined as Axestemys byssinus'
'Aythya [misspelled as Athya] belongs to Anatidae'
'Azygostei belongs to Pisces'
'Baena belongs to Pleurosternidae'
'Baena affinis is a subjective synonym of Baena arenosa'
'Baena arenosa belongs to Baena'
'Baena hebraica belongs to Baena'
'Baena ponderosa belongs to Baena'
'Baena undata belongs to Baena'
'Baenidae is a subjective synonym of Pleurosternidae'
'Balaena belongs to Balaenidae'
'Balaena affinis belongs to Balaena'
'Balaena boops is recombined as Megaptera boops'
'Balaena longimana is recombined as Megaptera longimana'
'Balaena mysticetoides is recombined as Cetotherium mysticetoides'
'Balaena mysticetus belongs to Balaena'
'Balaena palaeatlantica is recombined as Rhegnopsis palaeatlanticus'
'Balaena prisca is recombined as Siphonocetus priscus'
'Balaenodon is a subjective synonym of Hoplocetus'
'Balaenoptera belongs to Balaenidae'
'Cetotherium pusillum is replaced by Cetotherium parvum'
'Balaenoptera sursiplana belongs to Balaenoptera'
'Balaenopteridae is a subjective synonym of Balaenidae'
'Balanadae is corrected as Balaenidae and belongs to Mysticete'
'Balistidae belongs to Sclerodermi'
'Baphetes belongs to Dendrerpetontidae'
'Baphetes minor belongs to Baphetes'
'Baphetes planiceps belongs to Baphetes'
'Baptanodon belongs to Baptanodontidae'
'Baptanodontidae belongs to Ichthyosauria'
'Baptemys belongs to Adocidae'
'Baptornis belongs to Hesperornithidae'
'Baptornis advenus belongs to Baptornis'
'Baptosaurus belongs to Mosasaurinae'
'Baptosaurus onchognathus belongs to Baptosaurus'
'Baropus lentus belongs to Baropus' according to Marsh 1894
'Baropus lentus belongs to Baropus'
'Barornis belongs to Gastornithidae'
'Barornis regens belongs to Barornis'
'Barosaurus belongs to Atlantosauridae'
'Barosaurus affinis belongs to Barosaurus'
'Barosaurus lentus belongs to Barosaurus'
'Bascanion belongs to Colubridae'
'Baseodon is a subjective synonym of Mosasaurus'
'Baseodon reversus belongs to Baseodon' according to Leidy 1865
'Baseodon reversus is a subjective synonym of Mosasaurus dekayi'
'Basilemys belongs to Adocidae'
'Basilosauridae belongs to Zeuglodontes'
'Basilosaurus belongs to Basilosauridae'
'Bassaris astutus is recombined as Bassariscus astutus'
'Bassariscus belongs to Cercoleptinae'
'Batacanthus belongs to Ichthyodorulites'
'Batacanthus baculiformis belongs to Batacanthus' according to Saint John and Worthen 1875
'Batacanthus baculiformis belongs to Batacanthus'
'Batacanthus necis belongs to Batacanthus' according to Saint John and Worthen 1883
'Batacanthus necis belongs to Batacanthus'
'Bathmodon is a subjective synonym of Coryphodon'
'Bathmodon cuspidatus is recombined as Coryphodon cuspidatus'
'Bathmodon elephantopus is recombined as Coryphodon elephantopus'
'Bathmodon latidens is recombined as Coryphodon latidens'
'Bathmodon latipes is recombined as Coryphodon latipes'
'Bathmodon molestus is recombined as Coryphodon molestus'
'Bathmodon pachypus is a subjective synonym of Coryphodon anax'
'Bathmodon radians is recombined as Coryphodon radians'
'Bathmodon semicinctus is recombined as Coryphodon semicinctus'
'Coryphodon simus is a subjective synonym of Coryphodon molestus'
'Bathmodontidae is a subjective synonym of Coryphodontidae'
'Bathrodon belongs to Limnotheriidae'
'Bathrodon annectens belongs to Bathrodon'
'Bathrodon typus belongs to Bathrodon'
'Bathycheilodus is a subjective synonym of Phoebodus'
'Bathycheilodus macisaacsii belongs to Bathycheilodus' according to Saint John and Worthen 1875
'Bathycheilodus macisaacsii is recombined as Phoebodus macisaacsii'
'Bathygnathus belongs to Anchisauridae'
'Bathygnathus borealis belongs to Bathygnathus'
'Bathyopsidae belongs to Pantodonta'
'Bathyopsis belongs to Bathyopsidae'
'Bathyopsis fissidens belongs to Bathyopsis'
'Batodon belongs to Cimolestidae'
'Batodon tenuis belongs to Batodon'
'Batoidei is a subjective synonym of Rajae'
'Batrachia was reranked as a class and belongs to Vertebrata'
'Batrachichnus plainvillensis belongs to Batrachichnus'
'Batrachocephalus is replaced by Sparodus'
'Batrachoides nidificans is a nomen vanum'
'Batrachopus gracilis belongs to Batrachopus'
'Belemnoziphius is a subjective synonym of Mesoplodon'
'Belemnoziphius prorops is recombined as Mesoplodon prorops'
'Belodon buceros is recombined as Phytosaurus buceros'
'Belodon lepturus is recombined as Phytosaurus lepturus'
'Belodon scolopax is recombined as Phytosaurus scolopax'
'Belodon superciliosus is recombined as Phytosaurus superciliosus'
'Belodon validus is recombined as Phytosaurus validus'
'Belodontia is a subjective synonym of Parasuchia'
'Belosphys is a subjective synonym of Ixacanthus'
'Beluga catodon is a subjective synonym of Delphinapterus leucas'
'Berycidae belongs to Berycoidea'
'Berycoidei was reranked as the superfamily Berycoidea and belongs to Pharyngognathi'
'Beryx belongs to Berycidae'
'Beryx insculptus belongs to Beryx' according to Cope 1869
'Beryx insculptus belongs to Beryx'
'Bison belongs to Bovinae'
'Bison alleni belongs to Bison'
'Bison alticornis is recombined as Ceratops alticornis'
'Bison antiquus belongs to Bison'
'Bison appalachicolus is recombined as Ovibos appalachicolus'
'Bison crassicornis belongs to Bison'
'Bison ferox belongs to Bison'
'Bison occidentalis belongs to Bison'
'Blarina belongs to Soricidae'
'Blarina simplicidens belongs to Blarina'
'Blastomeryx belongs to Cervulinae'
'Blastomeryx antilopinus belongs to Blastomeryx'
'Blastomeryx borealis belongs to Blastomeryx'
'Boavus belongs to Boidae'
'Boavus agilis belongs to Boavus'
'Boavus brevis belongs to Boavus'
'Boavus occidentalis belongs to Boavus'
'Boidae belongs to Serpentes'
'Bolbodon belongs to Diadectidae'
'Bolodontidae belongs to Allotheria'
'Bolosauridae belongs to Pelycosauria'
'Bolosaurus belongs to Bolosauridae'
'Bolosaurus rapidens is recombined as Chilonyx rapidens'
'Bolosaurus striatus belongs to Bolosaurus'
'Boochoerus is a subjective synonym of Elotherium'
'Boochoerus humerosus is recombined as Elotherium humerosusm'
'Booidea belongs to Artiodactyla'
'Borophagus belongs to Hyaenidae'
'Borophagus diversidens belongs to Borophagus'
'Bos americanus is a subjective synonym of Bison bison'
'Bos arizonica is a subjective synonym of Bison latifrons'
'Bos bison is recombined as Bison bison'
'Bos bombifrons is recombined as Ovibos bombifrons'
'Bison crampianus is a subjective synonym of Bison alleni'
'Bos latifrons is recombined as Bison latifrons'
'Bos moschatus is recombined as Ovibos moschatus'
'Bos pallasii belongs to Bos' according to De Kay 1828
'Bos pallasii is a subjective synonym of Ovibos cavifrons'
'Bothremydidae is a subjective synonym of Pelomedusidae'
'Bothremys belongs to Pelomedusidae'
'Bothremys cookii belongs to Bothremys'
'Bothriodon is a subjective synonym of Ancodon'
'Bothriolepis belongs to Asterolepidae'
'Bothriolepis canadensis belongs to Bothriolepis'
'Bothriolepis minor belongs to Bothriolepis'
'Bothriolepis ornata belongs to Bothriolepis'
'Bothrolabis belongs to Hyotheriinae'
'Bothrolabis rostratus belongs to Bothrolabis'
'Bottosaurus belongs to Crocodylidae'
'Bottosaurus perrugosus belongs to Bottosaurus'
'Bottosaurus tuberculatus belongs to Bottosaurus'
'Bovidae belongs to Booidea'
'Bovina is corrected as Bovinae and belongs to Bovidae'
'Brachydectes belongs to Hylonomidae'
'Brachydectes newberryi belongs to Brachydectes'
'Brachymeryx is a subjective synonym of Cyclopidius'
'Brachymeryx feliceps is a subjective synonym of Cyclopidius simus'
'Brachypsalis is a subjective synonym of Pomatotherium'
'Brachypsalis pachycephalus is recombined as Pomatotherium pachycephalum'
'Brachyrophus belongs to Iguanodontoidea'
'Brachyrophus altarkansanus belongs to Brachyrophus'
'Brachysaurus belongs to Platecarpinae'
'Brachysaurus overtoni belongs to Brachysaurus'
'Branchiosauria is a subjective synonym of Microsauria'
'Branchiosauridae is a subjective synonym of Protritonidae'
'Branta belongs to Anatidae'
'Branta propinqua belongs to Branta'
'Brimosaurus is a subjective synonym of Cimoliasaurus'
'Brimosaurus grandis is recombined as Cimoliasaurus grandis'
'Brontichthys belongs to Dinichthyinae'
'Brontichthys clarki belongs to Brontichthys' according to Claypole 1894
'Brontichthys clarki belongs to Brontichthys'
'Brontops is a subjective synonym of Brontotherium'
'Brontops dispar is recombined as Megacerops dispar'
'Brontops robustus is recombined as Brontotherium robustum'
'Brontosaurus belongs to Atlantosauridae'
'Brontosaurus amplus belongs to Brontosaurus'
'Brontosaurus excelsus belongs to Brontosaurus'
'Brontotheridae is corrected as Brontotheriidae and belongs to Brontotherioidea'
'Brontotheriinae belongs to Brontotheriidae'
'Brontotherioidea belongs to Perissodactyla'
'Brontotherium belongs to Brontotheriinae'
'Brontotherium gigas belongs to Brontotherium'
'Brontotherium ingens is recombined as Titanotherium ingens'
'Brontozoum is a subjective synonym of Eubrontes'
'Brontozoum approximatum is recombined as Eubrontes approximatus'
'Brontozoum divaricatum is recombined as Eubrontes divaricatus'
'Brontozoum exsertum is recombined as Eubrontes exsertus'
'Brontozoum tuberatum is recombined as Eubrontes tuberatus'
'Brontozoum validum is a subjective synonym of Eubrontes tuberosus'
'Bruta belongs to Monodelphia'
'Bryactinus belongs to Chimaeridae'
'Bryactinus amorphus belongs to Bryactinus'
'Bubo belongs to Strigidae'
'Bubo leptosteus belongs to Bubo'
'Bunaelurus belongs to Mustelinae'
'Bunaelurus lagophagus belongs to Bunaelurus'
'Bunomeryx belongs to Homacodontidae'
'Bunomeryx elegans belongs to Bunomeryx'
'Bunomeryx montanus belongs to Bunomeryx'
'Bythiacanthus belongs to Ichthyodorulites'
'Bythiacanthus vanhornei belongs to Bythiacanthus'
'Caenobasileus is a subjective synonym of Mammut'
'Caenopus belongs to Diceratheriinae'
'Caenopus simplicidens belongs to Caenopus'
'Calamagras belongs to Boidae'
'Calamagras angulatus is recombined as Ogmophis angulatus'
'Calamagras murivorus belongs to Calamagras'
'Calamagras truxalis is a subjective synonym of Calamagras murivorus'
'Calamodon belongs to Stylinodontidae'
'Calamodon arcamaenus [misspelled as Calamodon arcamoenus] belongs to Calamodon'
'Calamodon cylindrifer is recombined as Stylinodon cylindrifer'
'Calamodon novomehicanus is recombined as Ectoganus novomehicanus'
'Calamodon simplex belongs to Calamodon'
'Calamodontidae is a subjective synonym of Stylinodontidae'
'Callognathus belongs to Ichthyodorulites'
'Callognathus regularis belongs to Callognathus' according to Newberry 1889
'Callognathus regularis belongs to Callognathus'
'Callognathus serratus belongs to Callognathus' according to Newberry 1889
'Callognathus serratus belongs to Callognathus'
'Calopodus belongs to Petalodontidae'
'Calopodus apicalis belongs to Calopodus' according to Saint John and Worthen 1875
'Calopodus apicalis belongs to Calopodus'
'Calops belongs to Protoceratinae'
'Calops consors belongs to Calops'
'Calops cristatus belongs to Calops'
'Camarasauridae is a subjective synonym of Atlantosauridae'
'Camarasaurus belongs to Atlantosauridae'
'Camarasaurus leptodirus belongs to Camarasaurus'
'Camarasaurus supremus belongs to Camarasaurus'
'Camelidae belongs to Cameloidea'
'Camelinae belongs to Camelidae'
'Cameloidea belongs to Artiodactyla'
'Camelomeryx belongs to Leptomerycinae'
'Camelomeryx longiceps belongs to Camelomeryx'
'Camelops belongs to Miolabinae'
'Camelops kansanus belongs to Camelops'
'Camelus belongs to Camelinae'
'Camelus americanus belongs to Camelus'
'Camelus dromedarius belongs to Camelus'
'Campodus belongs to Orodontidae'
'Campodus agassizianus belongs to Campodus'
'Camptomus belongs to Plagiaulacinae'
'Camptomus amplus belongs to Camptomus'
'Camptonotidae is a subjective synonym of Camptosauridae'
'Camptonotus is replaced by Camptosaurus'
'Camptonotus amplus is recombined as Camptosaurus amplus'
'Camptonotus dispar is recombined as Camptosaurus dispar'
'Camptosauridae belongs to Iguanodontoidea'
'Camptosaurus belongs to Camptosauridae'
'Camptosaurus medius belongs to Camptosaurus'
'Camptosaurus nanus belongs to Camptosaurus'
'Canidae belongs to Cynoidea'
'Canimartes belongs to Caninae'
'Canimartes cumminsii belongs to Canimartes'
'Caninae belongs to Canidae'
'Canis belongs to Caninae'
'Canis (Epicyon) haydeni is recombined as Aelurodon haydeni'
'Canis anceps belongs to Canis'
'Canis brachypus belongs to Canis'
'Canis cinereoargenteus [misspelled as Canis cinereoargentatus] belongs to Canis'
'Canis cuspigerus is recombined as Paradaphoenus cuspigerus'
'Canis dirus belongs to Canis'
'Canis geismarianus is recombined as Nothocyon geismarianus'
'Canis gregarius is recombined as Cynodictis gregarius'
'Canis hartshornianus is recombined as Daphoenus hartshornianus'
'Canis indianensis belongs to Canis'
'Canis latrans belongs to Canis'
'Canis lemur is recombined as Nothocyon lemur'
'Canis lippincottianus is recombined as Cynodictis lippincottianus'
'Canis marshii belongs to Canis'
'Canis montanus is replaced by Canis marshii'
'Canis occidentalis belongs to Canis'
'Canis osorum is a subjective synonym of Bunaelurus lagophagus'
'Canis priscolatrans belongs to Canis'
'Canis saevus is recombined as Aelurodon saevus'
'Canis temerarius belongs to Canis'
'Canis ursinus is recombined as Aelurodon ursinus'
'Canis vafer belongs to Canis'
'Canis wheelerianus is recombined as Aelurodon wheelerianus'
'Caprinae belongs to Bovidae'
'Captorhinus belongs to Pariotichidae'
'Captorhinus angusticeps belongs to Captorhinus'
'Carangidae belongs to Scombroidea'
'Carcharhinidae was reranked as the subfamily Carcharhininae and belongs to Galeidae'
'Carcharhinus belongs to Carcharhininae'
'Carcharhinus commersoni is a subjective synonym of Carcharhinus lamia'
'Carcharhinus commersoni belongs to Carcharhinus' according to Blainville 1816
'Carcharias belongs to Carchariinae'
'Carcharias (Aprionodon) gibbesi is recombined as Carcharhinus (Aprionodon) gibbesii'
'Carcharias (Prionodon) antiquus is recombined as Carcharhinus (Prionace) antiquus'
'Carcharias lamia belongs to Carcharias' according to Cuvier 1817
'Carcharias lamia is recombined as Eulamia lamia' according to Gill 1862
'Carcharias lamia is recombined as Carcharhinus lamia'
'Carcharias leptodon is recombined as Carcharodon leptodon'
'Carcharias megalodon is recombined as Carcharodon megalodon'
'Carcharias taurus belongs to Carcharias'
'Carcharias tenuis is recombined as Carcharhinus (Prionace) tenuis'
'Carchariidae was reranked as the subfamily Carchariinae and belongs to Lamnidae'
'Carcharodon belongs to Carcharodontinae'
'Carcharodon contortidens belongs to Carcharodon' according to Emmons 1858
'Carcharodon contortidens belongs to Carcharodon'
'Carcharodon lanciformis belongs to Carcharodon'
'Carcharodon rectus belongs to Carcharodon'
'Carcharodontidae was reranked as the subfamily Carcharodontinae and belongs to Lamnidae'
'Carcharopsis belongs to Cladodontidae'
'Carcharopsis prototypus belongs to Carcharopsis'
'Carcharopsis wortheni belongs to Carcharopsis'
'Carcinodon belongs to Uintacyonidae'
'Cariacus dolichopsis is recombined as Dama dolichopsis'
'Cariacus ensifer is recombined as Dama ensifer'
'Cariacus laevicornis is recombined as Dama laevicornis'
'Carinatae is a subjective synonym of Euornithes'
'Carnivora is a subjective synonym of Ferae'
'Caryoderma is a subjective synonym of Testudo'
'Caryoderma snovianum is recombined as Testudo snoviana'
'Castor belongs to Castoridae'
'Castor (Eucastor) tortus is recombined as Eucastor tortus'
'Castor canadensis belongs to Castor'
'Castor fiber belongs to Castor'
'Castor peninsulatus is recombined as Steneofiber peninsulatus'
'Castor zibethicus is recombined as Fiber zibethicus'
'Castoridae belongs to Sciuromorpha'
'Castoroides belongs to Castoroididae'
'Castoroides ohioensis belongs to Castoroides'
'Castoroidinae was reranked as the family Castoroididae and belongs to Myomorpha'
'Catapleura ponderosa is recombined as Osteopygis ponderosus'
'Catarractes affinis is recombined as Uria affinis'
'Catarractes antiquus is recombined as Uria antiqua'
'Catathlaeus is a subjective synonym of Periptychus'
'Catathlaeus rhabdodon is recombined as Periptychus rhabdodon'
'Cathartes umbrosus is recombined as Palaeoborus umbrosus'
'Cathartidae belongs to Cathartides'
'Cathartides belongs to Raptores'
'Catodon vetus is recombined as Physeter vetus'
'Catopsalis belongs to Polymastodontinae'
'Catopsalis fissidens is recombined as Polymastodon fissidens'
'Catopsalis foliatus belongs to Catopsalis'
'Catopteridae is a subjective synonym of Dictyopygidae'
'Catopterus is replaced by Redfieldius'
'Catopterus is a subjective synonym of Dipterus'
'Catopterus anguilliformis belongs to Catopterus' according to Redfield 1841
'Catopterus anguilliformis is recombined as Redfieldius anguilliformis'
'Catopterus gracilis is recombined as Redfieldius gracilis'
'Catopterus macrurus is recombined as Dictyopyge macrura'
'Catopterus macrurus belongs to Catopterus' according to Redfield 1841
'Catopterus minor belongs to Catopterus' according to Newberry 1888
'Catopterus minor is recombined as Redfieldius minor'
'Catopterus ornatus belongs to Catopterus' according to Newberry 1888
'Catopterus ornatus is recombined as Redfieldius ornatus'
'Catopterus parvulus belongs to Catopterus' according to Redfield 1841
'Catopterus parvulus is recombined as Redfieldius parvulus'
'Catopterus redfieldi belongs to Catopterus' according to Egerton 1847
'Catopterus redfieldi is recombined as Redfieldius redfieldi'
'Catostomidae was reranked as the subfamily Catostominae and belongs to Cyprinidae'
'Catostomus belongs to Catostominae'
'Catostomus batrachops belongs to Catostomus' according to Cope 1883
'Catostomus batrachops belongs to Catostomus'
'Catostomus labiatus belongs to Catostomus' according to Ayres 1855
'Catostomus labiatus belongs to Catostomus'
'Catostomus shoshonensis belongs to Catostomus'
'Catostomus shoshonensis belongs to Catostomus' according to Cope 1883
'Caulodon belongs to Morosauridae'
'Caulodon diversidens belongs to Caulodon'
'Caulodon leptoganus belongs to Caulodon'
'Caviidae belongs to Myomorpha'
'Cecomorphae belongs to Euornithes'
'Centemodon is a subjective synonym of Phytosaurus'
'Centemodon sulcatus is a subjective synonym of Phytosaurus carolinensis'
'Centetodon belongs to Leptictidae'
'Centetodon altidens belongs to Centetodon'
'Centetodon pulcher belongs to Centetodon'
'Centracodon belongs to Leptictidae'
'Centracodon delicatus belongs to Centracodon'
'Cephalaspidae belongs to Osteostraci'
'Cephalaspis belongs to Cephalaspidae'
'Cephalaspis campbelltonensis belongs to Cephalaspis'
'Cephalaspis dawsoni belongs to Cephalaspis'
'Cephalaspis jexi belongs to Cephalaspis'
'Cephalaspis laticeps belongs to Cephalaspis'
'Cephalaspis lyellii is corrected as Cephalaspis lyelli and belongs to Cephalaspis'
'Cephalaspis rostratus is recombined as Pteraspis rostrata'
'Cephalotropis [misspelled as Cephalotropus] belongs to Balaenidae'
'Cephalotropis coronatus [misspelled as Cephalotropus coronatus] belongs to Cephalotropus'
'Ceraterpeton divaricatum is recombined as Keraterpeton divaricatum'
'Ceraterpeton punctolineatum belongs to Ceraterpeton' according to Cope 1875
'Ceraterpeton punctolineatum is recombined as Keraterpeton punctolineatum'
'Ceraterpeton recticorne is recombined as Keraterpeton tenuicorne'
'Ceratodontidae belongs to Sirenoidei'
'Ceratodus belongs to Ceratodontidae'
'Ceratodus americanus belongs to Ceratodus'
'Ceratodus eruciferus belongs to Ceratodus'
'Ceratodus favosus belongs to Ceratodus' according to Cope 1884
'Ceratodus favosus belongs to Ceratodus'
'Ceratodus guentheri belongs to Ceratodus'
'Ceratodus hieroglyphus belongs to Ceratodus'
'Ceratodus latissimus belongs to Ceratodus'
'Ceratodus paucicristatus is recombined as Sagenodus paucicristatus'
'Ceratodus robustus belongs to Ceratodus'
'Ceratodus vinslovii is recombined as Ptyonodus vinslovii' according to Cope 1877
'Ceratodus vinslovii is recombined as Sagenodus vinslovii'
'Ceratodus vinslovii is recombined as Ptyonodus vinslovii' according to Cope 1881
'Ceratops belongs to Ceratopsidae'
'Ceratops horridus is recombined as Triceratops horridus'
'Ceratops montanus belongs to Ceratops'
'Ceratopsia is a subjective synonym of Ceratopsoidea'
'Ceratopsidae belongs to Ceratopsoidea'
'Ceratopsoidea belongs to Orthopoda'
'Ceratoptera is a subjective synonym of Manta'
'Ceratoptera unios is recombined as Manta unios'
'Ceratoptera unios belongs to Ceratoptera' according to Leidy 1876
'Ceratosauridae belongs to Theropoda'
'Ceratosaurus belongs to Ceratosauridae'
'Ceratosaurus nasicornis belongs to Ceratosaurus'
'Cercariomorphus belongs to Microsauria'
'Cercariomorphus parvisquamis belongs to Cercariomorphus'
'Cercoleptidae was reranked as the subfamily Cercoleptinae and belongs to Procyonidae'
'Cervalces belongs to Cervinae'
'Cervidae belongs to Booidea'
'Cervinae belongs to Cervidae'
'Cervulinae belongs to Cervidae'
'Cervus belongs to Cervinae'
'Cervus alces is recombined as Alces alces'
'Cervus americanus is recombined as Cervalces americanus'
'Cervus canadensis belongs to Cervus'
'Cervus elaphus belongs to Cervus'
'Cervus fortis belongs to Cervus'
'Cervus tarandus is recombined as Rangifer tarandus'
'Cervus tarandus caribou belongs to Cervus tarandus' according to Gmelin 1788
'Cervus tarandus caribou is recombined as Rangifer caribou'
'Cervus warreni is a subjective synonym of Merycodus necatus'
'Cervus whitneyi is recombined as Dama whitneyi'
'Cestraciontidae is a subjective synonym of Heterodontidae'
'Cetacea is a subjective synonym of Cete'
'Cete belongs to Monodelphia'
'Ceterhinops belongs to Squalodontidae'
'Ceterhinops longifrons belongs to Ceterhinops'
'Cetiosauria is a subjective synonym of Opisthocoelia'
'Cetophis belongs to Platanistinae'
'Cetophis heteroclitus belongs to Cetophis'
'Cetotherium belongs to Balaenidae'
'Cetotherium crassangulum is a subjective synonym of Cetotherium leptocentrum'
'Cetotherium megalophysum belongs to Cetotherium'
'Cetotherium parvum belongs to Cetotherium'
'Cetotherium rathkii belongs to Cetotherium'
'Chaenohyus belongs to Hyotheriinae'
'Chaenohyus decedens belongs to Chaenohyus'
'Chaetodipterus belongs to Chaetodontidae'
'Chaetodon faber belongs to Chaetodon' according to Broussonet 1782
'Chaetodon faber is recombined as Chaetodipterus faber'
'Chaetodontidae belongs to Squamipinnes'
'Chalicotheriidae belongs to Chalicotherioidea'
'Chalicotherioidea belongs to Ancylopoda'
'Chalicotherium belongs to Chalicotheriidae'
'Chalicotherium bilobatum belongs to Chalicotherium'
'Chalicotherium goldfussi belongs to Chalicotherium'
'Chamaeleo belongs to Chamaeleonidae'
'Chamaeleo pristinus belongs to Chamaeleo'
'Chamaeleonidae belongs to Rhiptoglossi'
'Chamops belongs to Iguanidae'
'Chamops segnis belongs to Chamops'
'Champsodelphis belongs to Platanistinae'
'Champsosauridae belongs to Rhynchocephalia'
'Champsosaurus belongs to Champsosauridae'
'Champsosaurus annectens belongs to Champsosaurus'
'Champsosaurus australis belongs to Champsosaurus'
'Champsosaurus brevicollis belongs to Champsosaurus'
'Champsosaurus profundus belongs to Champsosaurus'
'Champsosaurus puercensis belongs to Champsosaurus'
'Champsosaurus saponensis belongs to Champsosaurus'
'Champsosaurus vaccinsulensis belongs to Champsosaurus'
'Charadriidae belongs to Scolopacoidea'
'Charadrius belongs to Charadriidae'
'Charadrius sheppardianus belongs to Charadrius'
'Cheiracanthus belongs to Acanthoessidae'
'Cheiracanthus murchisoni belongs to Cheiracanthus'
'Cheirodus acutus belongs to Cheirodus' according to Newberry 1856
'Cheirodus acutus is recombined as Chirodus acutus'
'Cheirolepis belongs to Palaeoniscidae'
'Cheirolepis canadensis belongs to Cheirolepis'
'Cheirolepis traillii belongs to Cheirolepis'
'Cheirotheroides pilulatus belongs to Cheirotheroides'
'Chelichnus wymanianus belongs to Chelichnus' according to Lea 1856
'Chelichnus wymanianus belongs to Chelichnus'
'Chelone is a subjective synonym of Chelonia'
'Chelone grandaeva is recombined as Puppigerus grandaevus'
'Chelone ornata is recombined as Peritresius ornatus'
'Chelone parvitecta is recombined as Puppigerus parvitectus'
'Chelone sopita is recombined as Osteopygis sopitus'
'Chelonia belongs to Cheloniidae'
'Chelonia is a subjective synonym of Testudines'
'Cheloniidae belongs to Cryptodira'
'Chelonoides incedens belongs to Chelonoides'
'Chelydosauria belongs to Reptilia'
'Chelydra belongs to Chelydridae'
'Chelydra crassa belongs to Chelydra'
'Chelydridae belongs to Cryptodira'
'Chen belongs to Anatidae'
'Chenomorphae belongs to Euornithes'
'Chilonyx belongs to Diadectidae'
'Chimaera is replaced by Chimaerichnus'
'Chimaera belongs to Chimaeridae'
'Chimaerichnus is a subjective synonym of Sauropus'
'Chimaerichnus ingens is recombined as Sauropus ingens'
'Chimaeridae belongs to Chimaeroidea'
'Chimaeroidea belongs to Holocephala'
'Chirocentridae belongs to Isospondyli'
'Chirodus belongs to Platysomidae'
'Chirodus pesranae belongs to Chirodus'
'Chirogidae is a subjective synonym of Bolodontidae'
'Chiroptera belongs to Monodelphia'
'Chirotherium barthii belongs to Chirotherium'
'Chirotherium heterodactylus is corrected as Chirotherium heterodactylum and belongs to Chirotherium'
'Chirotherium reiteri belongs to Chirotherium'
'Chirox belongs to Bolodontidae'
'Chirox plicatus belongs to Chirox'
'Chisternon is a subjective synonym of Baena'
'Chitonodus [misspelled as Chitinodus] belongs to Cochliodontidae'
'Chitonodus antiquus belongs to Chitonodus' according to Saint John and Worthen 1883
'Chitonodus antiquus [misspelled as Chitinodus antiquus] belongs to Chitinodus'
'Chitonodus liratus belongs to Chitonodus' according to Saint John and Worthen 1883
'Chitonodus liratus [misspelled as Chitinodus liratus] belongs to Chitinodus'
'Chitonodus springeri belongs to Chitonodus' according to Saint John and Worthen 1883
'Chitonodus springeri [misspelled as Chitinodus springeri] belongs to Chitinodus'
'Chitonodus tribulis [misspelled as Chitinodus tribulis] belongs to Chitinodus'
'Chlamytherium belongs to Dasypodidae'
'Chlamytherium humboldtii belongs to Chlamytherium'
'Cholodus belongs to Petalodontidae'
'Cholodus inaequalis belongs to Cholodus'
'Chomatodus belongs to Petalodontidae'
'Chomatodus affinis belongs to Chomatodus' according to Newberry and Worthen 1866
'Chomatodus affinis belongs to Chomatodus'
'Chomatodus angularis belongs to Chomatodus' according to Newberry and Worthen 1866
'Chomatodus angularis is recombined as Tanaodus angularis'
'Chomatodus angustus belongs to Chomatodus' according to Newberry 1879
'Chomatodus angustus belongs to Chomatodus'
'Chomatodus arcuatus belongs to Chomatodus'
'Chomatodus chesterensis belongs to Chomatodus' according to Saint John and Worthen 1875
'Chomatodus chesterensis belongs to Chomatodus'
'Chomatodus comptus belongs to Chomatodus' according to Saint John and Worthen 1875
'Chomatodus comptus belongs to Chomatodus'
'Chomatodus costatus belongs to Chomatodus'
'Chomatodus costatus belongs to Chomatodus' according to Newberry and Worthen 1866
'Chomatodus cultellus belongs to Chomatodus' according to Newberry and Worthen 1866
'Chomatodus cultellus belongs to Chomatodus'
'Chomatodus elegans belongs to Chomatodus' according to Newberry and Worthen 1866
'Chomatodus elegans belongs to Chomatodus'
'Chomatodus gracillimus belongs to Chomatodus' according to Newberry and Worthen 1866
'Chomatodus gracillimus is recombined as Tanaodus gracillimus'
'Chomatodus inconstans belongs to Chomatodus' according to Saint John and Worthen 1875
'Chomatodus inconstans belongs to Chomatodus'
'Chomatodus incrassatus belongs to Chomatodus' according to Saint John and Worthen 1875
'Chomatodus incrassatus belongs to Chomatodus'
'Chomatodus loriformis belongs to Chomatodus' according to Newberry and Worthen 1866
'Chomatodus loriformis belongs to Chomatodus'
'Chomatodus molaris belongs to Chomatodus' according to Newberry and Worthen 1866
'Chomatodus molaris belongs to Chomatodus'
'Chomatodus multiplicatus belongs to Chomatodus' according to Newberry and Worthen 1866
'Chomatodus multiplicatus is recombined as Tanaodus multiplicatus'
'Chomatodus newberryi belongs to Chomatodus'
'Chomatodus obscurus belongs to Chomatodus' according to Leidy 1857
'Chomatodus obscurus is recombined as Tanaodus obscurus'
'Chomatodus parallelus belongs to Chomatodus' according to Saint John and Worthen 1875
'Chomatodus parallelus belongs to Chomatodus'
'Chomatodus pusillus belongs to Chomatodus' according to Newberry and Worthen 1866
'Chomatodus pusillus belongs to Chomatodus'
'Chomatodus selliformis belongs to Chomatodus' according to Newberry 1879
'Chomatodus selliformis belongs to Chomatodus'
'Chomatodus varsouviensis belongs to Chomatodus' according to Saint John and Worthen 1875
'Chomatodus varsouviensis belongs to Chomatodus'
'Chomatodus venustus belongs to Chomatodus' according to Leidy 1857
'Chomatodus venustus is recombined as Venustodus venustus'
'Chondrostei was reranked as a order and belongs to Actinopteri'
'Chonespondylus belongs to Baptanodontidae'
'Chonespondylus grandis belongs to Chonespondylus'
'Choneziphius belongs to Ziphiinae'
'Choneziphius liops belongs to Choneziphius'
'Choneziphius trachops belongs to Choneziphius'
'Chorotherium is a subjective synonym of Protoreodon'
'Chriacidae is a subjective synonym of Oxyclaenidae'
'Chriacus belongs to Oxyclaenidae'
'Chriacus hyattianus is recombined as Loxolophus hyattianus'
'Chriacus inversus is recombined as Pentacodon inversus'
'Chriacus priscus is recombined as Loxolophus priscus'
'Chriacus ruetimeyerianus is recombined as Paradoxodon ruetimeyeranus'
'Chriacus schlosserianus belongs to Chriacus'
'Chriacus simplex is recombined as Oxyclaenus simplex'
'Chriacus stenops belongs to Chriacus'
'Chriacus truncatus belongs to Chriacus'
'Cimolestes belongs to Cimolestidae'
'Cimolestes curtus belongs to Cimolestes'
'Cimolestes incisus belongs to Cimolestes'
'Cimolestidae belongs to Polyprotodontia'
'Cimoliasaurus belongs to Elasmosauridae'
'Cimoliasaurus laramiensis belongs to Cimoliasaurus'
'Cimolichthys belongs to Enchodontidae'
'Cimolichthys anceps is recombined as Enchodus anceps'
'Cimolichthys levesiensis [misspelled as Cimolichthys lewesiensis] belongs to Cimolichthys'
'Cimolichthys semianceps is recombined as Empo semianceps'
'Cimoliosaurus magnus is recombined as Cimoliasaurus magnus'
'Cimoliosaurus rex is recombined as Megalneusaurus rex'
'Cimoliosaurus snowii is recombined as Cimoliasaurus snowii'
'Cimolodon is a subjective synonym of Cimolomys'
'Cimolodon agilis is recombined as Cimolomys agilis'
'Cimolodon nitidus is recombined as Cimolomys nitidus'
'Cimolodon parvus is recombined as Cimolomys parvus'
'Cimolomidae is a subjective synonym of Plagiaulacidae'
'Cimolomys belongs to Plagiaulacinae'
'Cimolomys bellus belongs to Cimolomys'
'Cimolomys digona [misspelled as Cimolomys diagona] belongs to Cimolomys'
'Cimolomys gracilis belongs to Cimolomys'
'Cimolopteryx belongs to Fringillidae'
'Cimolopteryx rarus belongs to Cimolopteryx'
'Cimolopteryx retustus belongs to Cimolopteryx'
'Cinodon is corrected as Cionodon and belongs to Trachodontidae'
'Cinodon arctatus is recombined as Cionodon arctatus'
'Cionodon stenopsis belongs to Cionodon'
'Cistudinidae is a subjective synonym of Emydidae'
'Cistudo is a subjective synonym of Terrapene'
'Cistudo eurypygia is recombined as Terrapene eurypygia'
'Cistudo marnochii is recombined as Terrapene marnochii'
'Cladocyclus belongs to Mugilidae'
'Cladocyclus lewesiensis belongs to Cladocyclus'
'Cladocyclus occidentalis belongs to Cladocyclus'
'Cladodontidae belongs to Pleuracanthides'
'Cladodus belongs to Cladodontidae'
'Cladodus acuminatus belongs to Cladodus' according to Newberry 1856
'Cladodus acuminatus belongs to Cladodus'
'Cladodus alternatus belongs to Cladodus' according to Saint John and Worthen 1875
'Cladodus alternatus belongs to Cladodus'
'Cladodus angulatus belongs to Cladodus' according to Newberry and Worthen 1866
'Cladodus angulatus belongs to Cladodus'
'Cladodus bellifer belongs to Cladodus'
'Cladodus carinatus belongs to Cladodus'
'Cladodus clarki is recombined as Cladoselache clarki'
'Cladodus claypolei belongs to Cladodus'
'Cladodus concinnus belongs to Cladodus' according to Newberry 1875
'Cladodus concinnus belongs to Cladodus'
'Cladodus coniger belongs to Cladodus'
'Cladodus costatus belongs to Cladodus' according to Newberry and Worthen 1866
'Cladodus costatus belongs to Cladodus'
'Cladodus deflexus belongs to Cladodus' according to Newberry and Worthen 1870
'Cladodus deflexus belongs to Cladodus'
'Cladodus eccentricus belongs to Cladodus'
'Cladodus elegans belongs to Cladodus'
'Cladodus euglypheus belongs to Cladodus' according to Saint John and Worthen 1875
'Cladodus euglypheus belongs to Cladodus'
'Cladodus exiguus belongs to Cladodus' according to Saint John and Worthen 1875
'Cladodus exiguus belongs to Cladodus'
'Cladodus exilis belongs to Cladodus' according to Saint John and Worthen 1875
'Cladodus exilis belongs to Cladodus'
'Cladodus ferox belongs to Cladodus'
'Cladodus fulleri belongs to Cladodus' according to Saint John and Worthen 1875
'Cladodus fulleri belongs to Cladodus'
'Cladodus fyleri belongs to Cladodus' according to Newberry 1889
'Cladodus fyleri is recombined as Cladoselache fyleri'
'Cladodus girtyi belongs to Cladodus'
'Cladodus gomphoides belongs to Cladodus' according to Saint John and Worthen 1875
'Cladodus gomphoides belongs to Cladodus'
'Cladodus gracilis belongs to Cladodus' according to Newberry and Worthen 1866
'Cladodus gracilis belongs to Cladodus'
'Cladodus grandis belongs to Cladodus'
'Cladodus hertzeri belongs to Cladodus' according to Newberry 1875
'Cladodus hertzeri belongs to Cladodus'
'Cladodus intercostatus belongs to Cladodus'
'Cladodus ischypus belongs to Cladodus' according to Newberry and Worthen 1870
'Cladodus ischypus belongs to Cladodus'
'Cladodus keokuk belongs to Cladodus' according to Saint John and Worthen 1875
'Cladodus keokuk belongs to Cladodus'
'Cladodus kepleri belongs to Cladodus' according to Newberry 1888
'Cladodus kepleri is recombined as Cladoselache kepleri'
'Cladodus lamnoides belongs to Cladodus' according to Newberry and Worthen 1866
'Cladodus lamnoides belongs to Cladodus'
'Cladodus magnificus belongs to Cladodus'
'Cladodus micropus belongs to Cladodus' according to Newberry and Worthen 1866
'Cladodus micropus belongs to Cladodus'
'Cladodus mirabilis belongs to Cladodus'
'Cladodus monroei belongs to Cladodus' according to Eastman 1900
'Cladodus monroei belongs to Cladodus'
'Cladodus mortifer belongs to Cladodus'
'Cladodus newmani belongs to Cladodus'
'Cladodus occidentalis belongs to Cladodus'
'Cladodus pandatus belongs to Cladodus' according to Saint John and Worthen 1875
'Cladodus pandatus belongs to Cladodus'
'Cladodus parvulus belongs to Cladodus' according to Newberry 1875
'Cladodus parvulus belongs to Cladodus'
'Cladodus pattersoni belongs to Cladodus' according to Newberry 1875
'Cladodus pattersoni belongs to Cladodus'
'Cladodus politus belongs to Cladodus' according to Newberry and Worthen 1866
'Cladodus politus belongs to Cladodus'
'Cladodus praenuntius belongs to Cladodus'
'Cladodus raricostatus belongs to Cladodus' according to Saint John and Worthen 1875
'Cladodus raricostatus belongs to Cladodus'
'Cladodus rivipetrosi belongs to Cladodus' according to Claypole 1893
'Cladodus rivipetrosi belongs to Cladodus'
'Cladodus robustus belongs to Cladodus'
'Cladodus romingeri belongs to Cladodus' according to Newberry 1875
'Cladodus romingeri belongs to Cladodus'
'Cladodus sinuatus belongs to Cladodus' according to Claypole 1893
'Cladodus sinuatus is recombined as Cladoselache sinuatus'
'Cladodus spinosus belongs to Cladodus'
'Cladodus splendens belongs to Cladodus'
'Cladodus springeri belongs to Cladodus'
'Cladodus stenopus belongs to Cladodus'
'Cladodus striatus belongs to Cladodus'
'Cladodus subulatus belongs to Cladodus'
'Cladodus subulatus belongs to Cladodus' according to Newberry 1875
'Cladodus succinctus belongs to Cladodus'
'Cladodus terrelli belongs to Cladodus' according to Newberry 1899
'Cladodus terrelli belongs to Cladodus'
'Cladodus tumidus belongs to Cladodus' according to Newberry 1899
'Cladodus tumidus belongs to Cladodus'
'Cladodus turritus belongs to Cladodus' according to Newberry and Worthen 1866
'Cladodus turritus belongs to Cladodus'
'Cladodus vanhornei belongs to Cladodus'
'Cladodus wachsmuthi belongs to Cladodus'
'Cladodus zygopus belongs to Cladodus' according to Newberry and Worthen 1866
'Cladodus zygopus belongs to Cladodus'
'Cladoselache belongs to Cladoselachidae'
'Cladoselache newberryi belongs to Cladoselache' according to Dean 1894
'Cladoselache newberryi belongs to Cladoselache'
'Cladoselachidae belongs to Pleuropterygia'
'Claenodon belongs to Arctocyonidae'
'Clangula belongs to Anatidae'
'Claorhynchus belongs to Ceratopsidae'
'Claorhynchus trihedrus belongs to Claorhynchus'
'Claosauridae is a subjective synonym of Iguanodontidae'
'Claosaurus is a subjective synonym of Thespesius'
'Claosaurus annectens is a subjective synonym of Thespesius occidentalis'
'Clastes aganus belongs to Clastes' according to Cope 1877
'Clastes aganus is recombined as Lepisosteus aganus'
'Clastes cuneatus belongs to Clastes' according to Cope 1884
'Clastes cuneatus is recombined as Lepisosteus cuneatus'
'Clastes cycliferus belongs to Clastes' according to Cope 1873
'Clastes cycliferus is recombined as Lepisosteus cycliferus'
'Clastes integer belongs to Clastes' according to Cope 1877
'Clastes integer is recombined as Lepisosteus integer'
'Clemmys belongs to Emydidae'
'Clemmys percrassus is corrected as Clemmys percrassa and belongs to Clemmys'
'Clepsisaurus leai is recombined as Phytosaurus leaii'
'Clepsydropidae belongs to Pelycosauria'
'Clepsydrops belongs to Clepsydropidae'
'Clepsydrops collettii belongs to Clepsydrops'
'Clepsydrops gigas is recombined as Dimetrodon gigas'
'Clepsydrops leptocephalus belongs to Clepsydrops'
'Clepsydrops limbatus belongs to Clepsydrops'
'Clepsydrops macrospondylus belongs to Clepsydrops'
'Clepsydrops natalis belongs to Clepsydrops'
'Clepsydrops pedunculatus belongs to Clepsydrops'
'Clepsydrops vinslovii belongs to Clepsydrops'
'Clepsysaurus belongs to Anchisauridae'
'Clepsysaurus pennsylvanicus belongs to Clepsysaurus'
'Clepsysaurus veatleianus belongs to Clepsysaurus'
'Clidastes belongs to Mosasaurinae'
'Clidastes cineriarum belongs to Clidastes'
'Clidastes conodon belongs to Clidastes'
'Clidastes iguanavus belongs to Clidastes'
'Clidastes intermedius belongs to Clidastes'
'Clidastes liodontus belongs to Clidastes'
'Clidastes planifrons is recombined as Lestosaurus planifrons'
'Clidastes pumilus [misspelled as Clidastes pumilis] belongs to Clidastes'
'Clidastes westi is corrected as Clidastes westii and belongs to Clidastes'
'Clidastes wymani belongs to Clidastes'
'Climatius belongs to Diplacanthidae'
'Climatius reticulatus belongs to Climatius'
'Climaxodus is a subjective synonym of Janassa'
'Climaxodus brevis belongs to Climaxodus' according to Newberry 1856
'Climaxodus brevis is recombined as Janassa brevis'
'Climaxodus imbricatus is a subjective synonym of Janassa bituminosus'
'Clupea alta is recombined as Diplomystus altus'
'Clupea humilis is recombined as Diplomystus humilis'
'Clupea theta is recombined as Diplomystus theta'
'Clupea villosus is recombined as Mallotus villosus'
'Clupeidae belongs to Isospondyli'
'Coccosteidae belongs to Arthrodira'
'Coccosteinae belongs to Coccosteidae'
'Coccosteus belongs to Coccosteinae'
'Coccosteus acadicus is recombined as Phlyctaenius acadicus' according to Traquair 1890
'Coccosteus acadicus is recombined as Phlyctaenaspis acadica'
'Coccosteus canadensis belongs to Coccosteus' according to Woodward 1892
'Coccosteus canadensis belongs to Coccosteus'
'Coccosteus cuyahogae belongs to Coccosteus' according to Claypole 1898
'Coccosteus cuyahogae belongs to Coccosteus'
'Coccosteus decipiens belongs to Coccosteus'
'Coccosteus halmodeus belongs to Coccosteus' according to Clarke 1894
'Coccosteus halmodeus is recombined as Dinichthys halmodeus'
'Coccosteus macromus belongs to Coccosteus'
'Coccosteus occidentalis belongs to Coccosteus' according to Newberry 1875
'Coccosteus occidentalis belongs to Coccosteus'
'Cochliodontidae belongs to Heterodontoidea'
'Cochliodus belongs to Cochliodontidae'
'Cochliodus acutus is recombined as Deltoptychius acutus'
'Cochliodus costatus belongs to Cochliodus'
'Cochliodus crassus belongs to Cochliodus' according to Newberry and Worthen 1866
'Cochliodus crassus is recombined as Sandalodus crassus'
'Cochliodus latus is recombined as Chitinodus latus'
'Cochliodus leidyi belongs to Cochliodus' according to Saint John and Worthen 1883
'Cochliodus leidyi belongs to Cochliodus'
'Cochliodus magnus is recombined as Psephodus magnus'
'Cochliodus nitidus is recombined as Deltoptychius nitidus'
'Cochliodus nitidus belongs to Cochliodus' according to Leidy 1857
'Cochliodus occidentalis is recombined as Deltodus occidentalis'
'Cochliodus striatus is recombined as Platyxystrodus striatus'
'Cochliodus vanhornii belongs to Cochliodus' according to Saint John and Worthen 1883
'Cochliodus vanhornii belongs to Cochliodus'
'Cocytinus belongs to Tuditanidae'
'Cocytinus gyrinoides belongs to Cocytinus' according to Cope 1871
'Cocytinus gyrinoides belongs to Cocytinus'
'Coelacanthidae belongs to Actinistia'
'Coelacanthus belongs to Coelacanthidae'
'Coelacanthus elegans belongs to Coelacanthus'
'Coelacanthus granulatus belongs to Coelacanthus'
'Coelacanthus ornatus belongs to Coelacanthus'
'Coelacanthus ornatus belongs to Coelacanthus' according to Newberry 1856
'Coelacanthus robustus belongs to Coelacanthus'
'Coelodus belongs to Pycnodontidae'
'Coelodus brownii belongs to Coelodus' according to Cope 1894
'Coelodus brownii belongs to Coelodus'
'Coelodus saturnus belongs to Coelodus' according to Haeckel 1856
'Coelodus saturnus belongs to Coelodus'
'Coelodus stantoni belongs to Coelodus' according to Williston 1900
'Coelodus stantoni belongs to Coelodus'
'Coelophysis belongs to Coeluridae'
'Coelorhynchus belongs to Ichthyodorulites'
'Coelorhynchus acus belongs to Coelorhynchus'
'Coelorhynchus rectus belongs to Coelorhynchus'
'Coelosaurus belongs to Megalosauridae'
'Coelosaurus antiquus belongs to Coelosaurus'
'Coelosteus belongs to Megalichthyidae'
'Coelosteus ferox belongs to Coelosteus' according to Newberry 1887
'Coelosteus ferox belongs to Coelosteus'
'Coeluridae belongs to Theropoda'
'Coelurus belongs to Coeluridae'
'Coelurus agilis belongs to Coelurus'
'Coelurus bauri is recombined as Coelophysis bauri'
'Coelurus fragilis belongs to Coelurus'
'Coelurus gracilis belongs to Coelurus'
'Coelurus longicollis is recombined as Coelophysis longicollis'
'Collettosaurus indianaensis belongs to Collettosaurus'
'Colodon belongs to Lophiodontidae'
'Colodon dakotensis belongs to Colodon'
'Colodon procuspidatus belongs to Colodon'
'Colonoceras belongs to Hyrachyinae'
'Colonoceras agrestis belongs to Colonoceras'
'Colonomys [misspelled as Colonymys] belongs to Ischyromyidae'
'Colonomys celer [misspelled as Colonymys celer] belongs to Colonymys'
'Colonosaurus is a subjective synonym of Ichthyornis'
'Colonosaurus mudgei is a subjective synonym of Ichthyornis dispar'
'Colophonodon is a subjective synonym of Squalodon'
'Colophonodon holmesii is recombined as Squalodon holmesii'
'Coloreodon is a subjective synonym of Agriochoerus'
'Coloreodon ferox is recombined as Agriochoerus ferox'
'Coloreodon macrocephalus is recombined as Agriochoerus macrocephalus'
'Coloreodon ryderanus is recombined as Agriochoerus ryderanus'
'Colosteidae is a subjective synonym of Sauropleuridae'
'Colosteus is a subjective synonym of Sauropleura'
'Colosteus foveatus is recombined as Sauropleura foveata'
'Colosteus marshii is recombined as Ptyonius marshii'
'Colosteus pauciradiatus belongs to Colosteus' according to Cope 1874
'Colosteus pauciradiatus is recombined as Sauropleura pauciradiata'
'Colotaxis is a subjective synonym of Ischyromys'
'Colotaxis cristatus is a subjective synonym of Ischyromys typus'
'Coluber belongs to Colubridae'
'Coluber constrictor is recombined as Bascanion constrictor'
'Colubridae belongs to Serpentes'
'Colymbidae belongs to Colymboidea'
'Colymboidea belongs to Cecomorphae'
'Colymbus belongs to Colymbidae'
'Colymbus auritus belongs to Colymbus'
'Colymbus cristatus belongs to Colymbus'
'Colymbus podiceps is recombined as Podilymbus podiceps'
'Compsacanthus belongs to Pleuracanthidae'
'Compsacanthus laevis belongs to Compsacanthus' according to Newberry 1856
'Compsacanthus laevis belongs to Compsacanthus'
'Compsemys belongs to Pleurosternidae'
'Compsemys imbricarius is recombined as Basilemys imbricarius'
'Compsemys ogmius is a subjective synonym of Basilemys variolosus'
'Compsemys plicatulus belongs to Compsemys'
'Compsemys variolosus is recombined as Basilemys variolosus'
'Compsemys victus belongs to Compsemys'
'Compsosaurus is a subjective synonym of Phytosaurus'
'Compsosaurus priscus is recombined as Phytosaurus priscus'
'Comptichnus obesus belongs to Comptichnus'
'Conacodon belongs to Anisonchinae'
'Conchiopsis is a subjective synonym of Coelacanthus'
'Conchiopsis exanthematica belongs to Conchiopsis' according to Cope 1873
'Conchiopsis exanthematica is recombined as Peplorhina exanthematica'
'Conchiopsis filiferus belongs to Conchiopsis' according to Cope 1873
'Conchiopsis filiferus is a subjective synonym of Coelacanthus elegans'
'Conchodus belongs to Dipteridae'
'Conchodus ostreaformis belongs to Conchodus' according to McCoy 1848
'Conchodus ostreaformis belongs to Conchodus'
'Conchodus plicatus belongs to Conchodus' according to Dawson 1868
'Conchodus plicatus belongs to Conchodus'
'Condylarthra was reranked as a suborder and belongs to Ungulata'
'Coniophis belongs to Crotalidae'
'Coniophis precedens belongs to Coniophis'
'Coniornis belongs to Hesperornithidae'
'Coniornis altus belongs to Coniornis'
'Conodectes belongs to Otocoelidae'
'Conodectes favosus belongs to Conodectes'
'Conoryctes belongs to Conoryctidae'
'Conoryctes comma belongs to Conoryctes'
'Conoryctes crassicuspis is a subjective synonym of Triisodon heilprinianus'
'Conoryctidae belongs to Taeniodonta'
'Conosaurops is a subjective synonym of Conosaurus'
'Conosaurus belongs to Pachyrhizodontidae'
'Conosaurus bowmani belongs to Conosaurus'
'Copodus belongs to Psammodontidae'
'Copodus cornutus belongs to Copodus'
'Copodus pusillus belongs to Copodus' according to Saint John and Worthen 1883
'Copodus pusillus belongs to Copodus'
'Copodus vanhornii belongs to Copodus' according to Saint John and Worthen 1883
'Copodus vanhornii belongs to Copodus'
'Corax belongs to Carcharodontinae'
'Corax affinis belongs to Corax'
'Corax curvatus belongs to Corax'
'Corax egertoni is recombined as Carcharhinus (Prionace) egertoni'
'Corax falcatus belongs to Corax'
'Corvidae belongs to Passeres'
'Corvipes lacertoideus belongs to Corvipes'
'Corvus belongs to Corvidae'
'Corvus annectens belongs to Corvus'
'Corvus corax belongs to Corvus'
'Coryphodon anax belongs to Coryphodon'
'Coryphodon curvicristis belongs to Coryphodon'
'Coryphodon eocaenus belongs to Coryphodon'
'Coryphodon hamatus belongs to Coryphodon'
'Coryphodon lobatus belongs to Coryphodon'
'Coryphodon marginatus belongs to Coryphodon'
'Coryphodon obliquus belongs to Coryphodon'
'Coryphodon repandus belongs to Coryphodon'
'Coryphodon singularis belongs to Coryphodon'
'Coryphodon ventanus belongs to Coryphodon'
'Coryphodon wortmani belongs to Coryphodon'
'Coryphodontidae belongs to Pantodonta'
'Cosmacanthus belongs to Ichthyodorulites'
'Cosmacanthus malcolmsoni belongs to Cosmacanthus' according to Agassiz 1844
'Cosmacanthus malcolmsoni belongs to Cosmacanthus'
'Cosoryx is a subjective synonym of Merycodus'
'Cosoryx agilis is recombined as Merycodus agilis'
'Cosoryx furcatus is recombined as Merycodus furcatus'
'Cosoryx ramosus is recombined as Merycodus ramosus'
'Cosoryx teres is recombined as Merycodus teres'
'Cottidae belongs to Cottoidea'
'Cottioidei was reranked as the superfamily Cottoidea and belongs to Pareiopliteae'
'Cottus belongs to Cottidae'
'Cottus cryptotremus belongs to Cottus' according to Cope 1883
'Cottus cryptotremus belongs to Cottus'
'Cottus divaricatus belongs to Cottus' according to Cope 1883
'Cottus divaricatus belongs to Cottus'
'Cottus hypoceras belongs to Cottus' according to Cope 1883
'Cottus hypoceras belongs to Cottus'
'Cottus pontifex belongs to Cottus' according to Cope 1883
'Cottus pontifex belongs to Cottus'
'Cotylops is a subjective synonym of Merycoidodon'
'Cotylosauria was reranked as a order and belongs to Reptilia'
'Creccoides belongs to Rallidae'
'Creccoides osbornii belongs to Creccoides'
'Cremastosaurus belongs to Amphisbaenidae'
'Cremastosaurus carinicollis belongs to Cremastosaurus'
'Creodonta belongs to Ferae'
'Creosaurus belongs to Megalosauridae'
'Creosaurus atrox belongs to Creosaurus'
'Cricetinae belongs to Muridae'
'Cricetus talpoides is recombined as Thomomys talpoides'
'Cricotidae belongs to Apoecospondyli'
'Cricotus belongs to Cricotidae'
'Cricotus crassidiscus belongs to Cricotus'
'Cricotus discophorus is a subjective synonym of Cricotus heteroclitus'
'Cricotus gibsonii [misspelled as Cricotus gibsoni] belongs to Cricotus'
'Cricotus heteroclitus belongs to Cricotus'
'Cricotus hypantricus belongs to Cricotus'
'Crocodilia is a subjective synonym of Loricata'
'Crocodilus (Ichthyosuchus) subulatus is recombined as Crocodylus subulatus'
'Crocodilus antiquus is recombined as Crocodylus antiquus'
'Crocodilus aptus is recombined as Crocodylus aptus'
'Crocodilus basifissus is a subjective synonym of Thoracosaurus neocesariensis'
'Crocodilus basitruncatus is recombined as Holops basitruncatus'
'Crocodilus brevicollis is recombined as Crocodylus brevicollis'
'Crocodilus chamensis is recombined as Crocodylus chamensis'
'Sphenosaurus clavirostris is a subjective synonym of Thoracosaurus neocesariensis'
'Crocodilus clavis is recombined as Crocodylus clavis'
'Crocodilus dekayi is a subjective synonym of Thoracosaurus neocesariensis'
'Crocodilus elliottii is recombined as Crocodylus elliottii'
'Crocodilus fastigiatus is recombined as Crocodylus fastigiatus'
'Crocodilus grinnelli is recombined as Crocodylus grinnellii'
'Crocodilus grypus is recombined as Crocodylus grypus'
'Crocodilus harlani is recombined as Bottosaurus harlani'
'Crocodilus humilis is recombined as Crocodylus humilis'
'Crocodilus liodon is recombined as Crocodylus liodon'
'Crocodilus macrorhynchus is a subjective synonym of Bottosaurus harlani'
'Crocodilus marylandicus is recombined as Crocodylus marylandicus'
'Crocodilus mississippiensis is recombined as Alligator mississippiensis'
'Crocodilus obscurus is recombined as Holops obscurus'
'Crocodilus parvus is recombined as Crocodylus parvus'
'Crocodilus solaris is recombined as Crocodylus solaris'
'Crocodilus sphenops is recombined as Diplocynodon sphenops'
'Crocodilus stavelianus is recombined as Crocodylus stavelianus'
'Crocodilus sulciferus is recombined as Crocodylus sulciferus'
'Holops tenebrosus is a subjective synonym of Holops basitruncatus'
'Crocodilus wheelerii is recombined as Crocodylus wheelerii'
'Crocodilus ziphodon is recombined as Crocodylus ziphodon'
'Crocodylidae belongs to Eusuchia'
'Crocodylus belongs to Crocodylidae'
'Crocodylus acer belongs to Crocodylus'
'Crocodylus affinis belongs to Crocodylus'
'Crocodylus niloticus belongs to Crocodylus'
'Crocuta inexpectata is recombined as Felis inexpectatus'
'Crommyodus belongs to Sparidae'
'Crossopholis belongs to Polyodontidae'
'Crossopholis magnicaudatus belongs to Crossopholis'
'Crossopterygidae was reranked as the superorder Crossopterygia and belongs to Teleostomi'
'Crotalinae was reranked as the family Crotalidae and belongs to Serpentes'
'Crotalus belongs to Crotalidae'
'Crotalus horridus belongs to Crotalus'
'Crucipes parvus belongs to Crucipes'
'Cryptodira was reranked as a superfamily and belongs to Thecophora'
'Ctenacanthus belongs to Ichthyodorulites'
'Ctenacanthus acutus belongs to Ctenacanthus'
'Ctenacanthus amblyxiphias belongs to Ctenacanthus'
'Ctenacanthus angulatus belongs to Ctenacanthus'
'Ctenacanthus angustus belongs to Ctenacanthus'
'Ctenacanthus burlingtonensis belongs to Ctenacanthus'
'Ctenacanthus buttersi belongs to Ctenacanthus'
'Ctenacanthus cannaliratus belongs to Ctenacanthus'
'Ctenacanthus chemungensis belongs to Ctenacanthus'
'Ctenacanthus clarkii belongs to Ctenacanthus'
'Ctenacanthus compressus belongs to Ctenacanthus'
'Ctenacanthus costatus belongs to Ctenacanthus' according to Newberry and Worthen 1866
'Ctenacanthus costatus is recombined as Eunemacanthus costatus'
'Ctenacanthus costellatus is recombined as Cheiracanthus costellatus'
'Ctenacanthus coxianus belongs to Ctenacanthus'
'Ctenacanthus cylindricus belongs to Ctenacanthus'
'Ctenacanthus deflexus belongs to Ctenacanthus'
'Ctenacanthus depressus belongs to Ctenacanthus' according to Newberry 1897
'Ctenacanthus depressus belongs to Ctenacanthus'
'Ctenacanthus elegans belongs to Ctenacanthus'
'Ctenacanthus excavatus belongs to Ctenacanthus' according to Saint John and Worthen 1875
'Ctenacanthus excavatus belongs to Ctenacanthus'
'Ctenacanthus fallax belongs to Ctenacanthus' according to Woodward 1891
'Ctenacanthus fallax belongs to Ctenacanthus'
'Ctenacanthus formosus belongs to Ctenacanthus' according to Newberry 1873
'Ctenacanthus formosus belongs to Ctenacanthus'
'Ctenacanthus furcicarinatus belongs to Ctenacanthus'
'Ctenacanthus gemmatus belongs to Ctenacanthus' according to Saint John and Worthen 1875
'Ctenacanthus gemmatus belongs to Ctenacanthus'
'Ctenacanthus gracillimus belongs to Ctenacanthus' according to Newberry and Worthen 1866
'Ctenacanthus gracillimus is recombined as Acondylacanthus gracillimus'
'Ctenacanthus gradocostatus belongs to Ctenacanthus' according to Saint John and Worthen 1875
'Ctenacanthus gradocostatus belongs to Ctenacanthus'
'Ctenacanthus gurleyi belongs to Ctenacanthus'
'Ctenacanthus gurleyi belongs to Ctenacanthus' according to Newberry 1897
'Ctenacanthus harrisoni belongs to Ctenacanthus'
'Ctenacanthus keokuk belongs to Ctenacanthus' according to Saint John and Worthen 1875
'Ctenacanthus keokuk belongs to Ctenacanthus'
'Ctenacanthus latispinosus is recombined as Climatius latispinosus'
'Ctenacanthus littoni belongs to Ctenacanthus'
'Ctenacanthus major belongs to Ctenacanthus'
'Ctenacanthus marshii belongs to Ctenacanthus' according to Newberry 1873
'Ctenacanthus marshii belongs to Ctenacanthus'
'Ctenacanthus mayi belongs to Ctenacanthus' according to Newberry and Worthen 1870
'Ctenacanthus mayi belongs to Ctenacanthus'
'Ctenacanthus parvulus belongs to Ctenacanthus' according to Newberry 1875
'Ctenacanthus parvulus is recombined as Hoplonchus parvulus'
'Ctenacanthus pellensis belongs to Ctenacanthus' according to Saint John and Worthen 1883
'Ctenacanthus pellensis belongs to Ctenacanthus'
'Ctenacanthus pugiunculus belongs to Ctenacanthus' according to Saint John and Worthen 1875
'Ctenacanthus pugiunculus belongs to Ctenacanthus'
'Ctenacanthus randalli belongs to Ctenacanthus'
'Ctenacanthus sculptus belongs to Ctenacanthus' according to Saint John and Worthen 1875
'Ctenacanthus sculptus belongs to Ctenacanthus'
'Ctenacanthus similis belongs to Ctenacanthus' according to Saint John and Worthen 1875
'Ctenacanthus similis belongs to Ctenacanthus'
'Ctenacanthus speciosus belongs to Ctenacanthus' according to Saint John and Worthen 1875
'Ctenacanthus speciosus belongs to Ctenacanthus'
'Ctenacanthus spectabilis belongs to Ctenacanthus'
'Ctenacanthus triangularis belongs to Ctenacanthus' according to Newberry 1873
'Ctenacanthus triangularis belongs to Ctenacanthus'
'Ctenacanthus varians belongs to Ctenacanthus'
'Ctenacanthus vetustus belongs to Ctenacanthus' according to Newberry 1873
'Ctenacanthus vetustus belongs to Ctenacanthus'
'Ctenacanthus wrighti belongs to Ctenacanthus' according to Newberry 1884
'Ctenacanthus wrighti belongs to Ctenacanthus'
'Ctenacodon belongs to Plagiaulacinae'
'Ctenacodon nanus belongs to Ctenacodon'
'Ctenacodon potens belongs to Ctenacodon'
'Ctenacodon serratus belongs to Ctenacodon'
'Ctenerpeton belongs to Ptyoniidae'
'Ctenerpeton alveolatum belongs to Ctenerpeton'
'Ctenodipterini was reranked as a order and belongs to Dipnoi'
'Ctenodontidae belongs to Sirenoidei'
'Ctenodus belongs to Ctenodontidae'
'Ctenodus angustus belongs to Ctenodus' according to Newberry 1897
'Ctenodus angustus is recombined as Sagenodus angustus'
'Ctenodus cristatus belongs to Ctenodus'
'Ctenodus dialophus belongs to Ctenodus' according to Cope 1878
'Ctenodus dialophus is recombined as Sagenodus dialophus'
'Ctenodus fleisheri belongs to Ctenodus' according to Williams 1882
'Ctenodus fleisheri is recombined as Dipterus fleisheri'
'Ctenodus fossatus is recombined as Sagenodus fossatus'
'Ctenodus gurleyanus is recombined as Sagenodus gurleyanus'
'Ctenodus heterolophus is recombined as Sagenodus heterolophus'
'Ctenodus ohioensis belongs to Ctenodus' according to Cope 1875
'Ctenodus ohioensis is recombined as Sagenodus ohioensis'
'Ctenodus periprion belongs to Ctenodus' according to Cope 1878
'Ctenodus periprion is recombined as Sagenodus periprion'
'Ctenodus porrectus is recombined as Sagenodus porrectus'
'Ctenodus pusillus is recombined as Sagenodus pusillus'
'Ctenodus pusillus belongs to Ctenodus' according to Cope 1877
'Ctenodus serratus belongs to Ctenodus' according to Newberry 1875
'Ctenodus serratus is recombined as Sagenodus serratus'
'Ctenodus vabasensis is recombined as Sagenodus vabasensis'
'Ctenodus wagneri belongs to Ctenodus' according to Newberry 1889
'Ctenodus wagneri belongs to Ctenodus'
'Ctenopetalus belongs to Petalodontidae'
'Ctenopetalus bellulus belongs to Ctenopetalus' according to Saint John and Worthen 1875
'Ctenopetalus bellulus belongs to Ctenopetalus'
'Ctenopetalus limatulus belongs to Ctenopetalus' according to Saint John and Worthen 1875
'Ctenopetalus limatulus belongs to Ctenopetalus'
'Ctenopetalus medius belongs to Ctenopetalus' according to Saint John and Worthen 1875
'Ctenopetalus medius belongs to Ctenopetalus'
'Ctenopetalus occidentalis belongs to Ctenopetalus'
'Ctenopetalus vinosus belongs to Ctenopetalus' according to Saint John and Worthen 1875
'Ctenopetalus vinosus belongs to Ctenopetalus'
'Ctenoptychius belongs to Petalodontidae'
'Ctenoptychius apicalis belongs to Ctenoptychius'
'Ctenoptychius cristatus belongs to Ctenoptychius' according to Dawson 1868
'Ctenoptychius cristatus belongs to Ctenoptychius'
'Ctenoptychius digitatus belongs to Ctenoptychius' according to Leidy 1857
'Ctenoptychius digitatus is recombined as Polyrhizodus digitatus'
'Ctenoptychius pertenius belongs to Ctenoptychius' according to Saint John and Worthen 1875
'Ctenoptychius pertenius belongs to Ctenoptychius'
'Ctenoptychius semicircularis belongs to Ctenoptychius'
'Ctenoptychius stevensoni belongs to Ctenoptychius'
'Ctenoptychius unilateralis is recombined as Euctenius unilateralis'
'Cunichnoides marsupialoideus [misspelled as Cunichnoides marsupialoides] belongs to Cunichnoides'
'Cupidonia cupido pallidicincta is recombined as Tympanuchus pallidicinctus'
'Cyathaspis belongs to Pteraspidae'
'Cyclopidius belongs to Merycoidodontinae'
'Cyclopidius emydinus belongs to Cyclopidius'
'Cyclopidius heterodon belongs to Cyclopidius'
'Cyclopidius incisivus belongs to Cyclopidius'
'Cyclopidius simus belongs to Cyclopidius'
'Cyclopteridae belongs to Cyclopteroidea'
'Cyclopteroidea belongs to Pareiopliteae'
'Cyclopterus belongs to Cyclopteridae'
'Cyclopterus lumpus belongs to Cyclopterus' according to Linnaeus 1788
'Cyclopterus lumpus belongs to Cyclopterus'
'Cyclotomodon belongs to Albulidae'
'Cyclotomodon vagrans belongs to Cyclotomodon'
'Cygnus (Olor) was reranked as Olor and belongs to Anatidae'
'Cygnus paloregonus is recombined as Olor paloregonus'
'Cylindracanthus is a subjective synonym of Coelorhynchus'
'Cylindracanthus ornatus is recombined as Coelorhynchus ornatus'
'Cymatodus belongs to Petalodontidae'
'Cymatodus oblongus belongs to Cymatodus' according to Newberry and Worthen 1870
'Cymatodus oblongus belongs to Cymatodus'
'Cymbospondylus belongs to Baptanodontidae'
'Cymbospondylus piscosus belongs to Cymbospondylus'
'Cynocercus belongs to Toxochelyidae'
'Cynocercus incisus belongs to Cynocercus'
'Cynodesmus belongs to Caninae'
'Cynodesmus thooides belongs to Cynodesmus'
'Cynodictis belongs to Caninae'
'Cynodictis hylactor belongs to Cynodictis'
'Cynodictis temnodon belongs to Cynodictis'
'Cynodontomys belongs to Mixodectidae'
'Cynodontomys latidens belongs to Cynodontomys'
'Cynoidea was reranked as a superfamily and belongs to Fissipedia'
'Cynorca is a subjective synonym of Squalodon'
'Cynorca proterva is recombined as Squalodon protervus'
'Cyphornis belongs to Pelecanidae'
'Cyphornis magnus belongs to Cyphornis'
'Cyprinidae belongs to Plectospondyli'
'Cyprininae belongs to Cyprinidae'
'Cyprinodon levatus belongs to Cyprinodon' according to Cope 1870
'Cyprinodon levatus is recombined as Erismatopterus levatus'
'Cyprinodontidae is a subjective synonym of Poeciliidae'
'Cyprinus catostomus is recombined as Catostomus catostomus'
'Cyprinus elvensis is recombined as Lepidotes elvensis'
'Cyrtacanthus belongs to Ichthyodorulites'
'Cyrtacanthus dentatus belongs to Cyrtacanthus' according to Newberry 1873
'Cyrtacanthus dentatus belongs to Cyrtacanthus'
'Cystophora belongs to Phocidae'
'Dactylodus concavus is recombined as Polyrhizodus concavus'
'Dactylodus excavatus is recombined as Polyrhizodus excavatus'
'Dactylodus excavatus belongs to Dactylodus' according to Saint John and Worthen 1866
'Dactylodus inflexus belongs to Dactylodus' according to Newberry and Worthen 1866
'Dactylodus inflexus is recombined as Polyrhizodus inflexus'
'Dactylodus latus belongs to Dactylodus' according to Newberry 1897
'Dactylodus latus is recombined as Polyrhizodus latus'
'Dactylodus minimus belongs to Dactylodus' according to Saint John and Worthen 1875
'Dactylodus minimus is recombined as Polyrhizodus minimus'
'Dactylodus princeps belongs to Dactylodus' according to Newberry and Worthen 1866
'Dactylodus princeps is recombined as Polyrhizodus princeps'
'Dactylodus rectus belongs to Dactylodus' according to Newberry 1897
'Dactylodus rectus is recombined as Polyrhizodus rectus'
'Daeodon belongs to Lambdotheriinae'
'Daeodon shoshonensis belongs to Daeodon'
'Dafila belongs to Anatidae'
'Dama belongs to Cervinae'
'Dama virginiana belongs to Dama'
'Dapedoglossus is a subjective synonym of Phareodus'
'Dapedoglossus aequipinnis is recombined as Phareodus aequipinnis'
'Daphoenus belongs to Caninae'
'Daphoenus dodgei belongs to Daphoenus'
'Daphoenus felinus belongs to Daphoenus'
'Daphoenus robustus belongs to Daphoenus' according to Scott 1897
'Daphoenus robustus belongs to Daphoenus'
'Daphoenus vetus belongs to Daphoenus'
'Daptinus is a subjective synonym of Saurocephalus'
'Daptinus broadheadi belongs to Daptinus' according to Stewart 1898
'Daptinus broadheadi is recombined as Saurocephalus broadheadi'
'Daptophilus is a subjective synonym of Deinictis'
'Daptophilus squalidens is recombined as Deinictis squalidens'
'Dasipidae is corrected as Dasypodidae and belongs to Xenarthra'
'Dasyatidae belongs to Masticura'
'Dasyatis belongs to Dasyatidae'
'Dasyatis ujo is corrected as Dasyatis ujus and belongs to Dasyatis'
'Dasyproctidae belongs to Myomorpha'
'Deinictis belongs to Machairodontinae'
'Deinodon belongs to Megalosauridae'
'Deinodon horridus belongs to Deinodon'
'Delphinapterinae belongs to Delphinidae'
'Delphinapterus belongs to Delphinapterinae'
'Delphinapterus gabbii is recombined as Priscodelphinus gabbii'
'Delphinapterus hawkinsii is a subjective synonym of Priscodelphinus lacertosus'
'Delphinapterus lacertosus is recombined as Priscodelphinus lacertosus'
'Delphinapterus orcinus belongs to Delphinapterus'
'Delphinapterus ruschenbergeri is recombined as Priscodelphinus ruschenbergeri'
'Delphinapterus tyrannus is a subjective synonym of Cetotherium parvum'
'Delphinidae belongs to Odontocete'
'Delphininae belongs to Delphinidae'
'Delphinodon belongs to Platanistinae'
'Delphinodon leidyi belongs to Delphinodon'
'Delphinus belongs to Delphininae'
'Delphinus calvertensis is recombined as Lophocetus calvertensis'
'Delphinus conradi is recombined as Ixacanthus conradi'
'Delphinus delphis belongs to Delphinus'
'Delphinus leucas is recombined as Delphinapterus leucas'
'Delphinus macrogenius is recombined as Champsodelphis macrogenius'
'Delphinus occiduus belongs to Delphinus'
'Delphinus sowerbiensis is recombined as Mesoplodon sowerbensis'
'Delphinus vermontana is recombined as Delphinapterus vermontana'
'Deltatherium belongs to Proviverridae'
'Deltatherium absarokae is recombined as Didelphodus absarokae'
'Deltatherium baldwini is recombined as Chriacus baldwini'
'Deltatherium fundaminis belongs to Deltatherium'
'Deltatherium interruptum belongs to Deltatherium'
'Deltodopsis belongs to Cochliodontidae'
'Deltodopsis affinis belongs to Deltodopsis' according to Saint John and Worthen 1883
'Deltodopsis affinis belongs to Deltodopsis'
'Deltodopsis bialveatus belongs to Deltodopsis' according to Saint John and Worthen 1883
'Deltodopsis bialveatus belongs to Deltodopsis'
'Deltodopsis convolutus belongs to Deltodopsis' according to Saint John and Worthen 1883
'Deltodopsis convolutus belongs to Deltodopsis'
'Deltodopsis exornatus belongs to Deltodopsis' according to Saint John and Worthen 1883
'Deltodopsis exornatus belongs to Deltodopsis'
'Deltodopsis inflexus belongs to Deltodopsis' according to Saint John and Worthen 1883
'Deltodopsis inflexus belongs to Deltodopsis'
'Deltodopsis sanctiludovici belongs to Deltodopsis' according to Saint John and Worthen 1883
'Deltodopsis sanctiludovici belongs to Deltodopsis'
'Deltodus belongs to Cochliodontidae'
'Deltodus alatus belongs to Deltodus' according to Newberry and Worthen 1870
'Deltodus alatus belongs to Deltodus'
'Deltodus angularis is recombined as Orthopleurodus angularis'
'Deltodus angustus belongs to Deltodus' according to Newberry and Worthen 1870
'Deltodus angustus is recombined as Deltodopsis angustus'
'Deltodus cinctulus belongs to Deltodus' according to Saint John and Worthen 1883
'Deltodus cinctulus belongs to Deltodus'
'Deltodus cinctus belongs to Deltodus' according to Newberry 1879
'Deltodus cinctus belongs to Deltodus'
'Deltodus cingulatus belongs to Deltodus' according to Newberry and Worthen 1866
'Deltodus cingulatus belongs to Deltodus'
'Deltodus complanatus belongs to Deltodus'
'Deltodus fasciatus belongs to Deltodus' according to Newberry and Worthen 1870
'Deltodus fasciatus belongs to Deltodus'
'Deltodus grandis belongs to Deltodus' according to Newberry 1879
'Deltodus grandis belongs to Deltodus'
'Deltodus inornatus belongs to Deltodus' according to Newberry 1897
'Deltodus inornatus belongs to Deltodus'
'Deltodus intermedius belongs to Deltodus' according to Saint John and Worthen 1883
'Deltodus intermedius belongs to Deltodus'
'Deltodus latior belongs to Deltodus' according to Saint John and Worthen 1883
'Deltodus latior belongs to Deltodus'
'Deltodus littoni belongs to Deltodus' according to Newberry and Worthen 1870
'Deltodus littoni belongs to Deltodus'
'Deltodus mercurei is corrected as Deltodus mercurii and belongs to Deltodus'
'Deltodus parvus belongs to Deltodus' according to Saint John and Worthen 1883
'Deltodus parvus belongs to Deltodus'
'Deltodus planidens belongs to Deltodus'
'Deltodus powellii belongs to Deltodus' according to Saint John and Worthen 1883
'Deltodus powellii belongs to Deltodus'
'Deltodus propinquus belongs to Deltodus' according to Saint John and Worthen 1883
'Deltodus propinquus belongs to Deltodus'
'Deltodus rhomboideus belongs to Deltodus' according to Newberry and Worthen 1866
'Deltodus rhomboideus is recombined as Sandalodus rhomboideus'
'Deltodus spatulatus belongs to Deltodus'
'Deltodus stellatus belongs to Deltodus' according to Newberry and Worthen 1866
'Deltodus stellatus is a subjective synonym of Deltodus occidentalis'
'Deltodus trilobus belongs to Deltodus' according to Saint John and Worthen 1883
'Deltodus trilobus belongs to Deltodus'
'Deltodus undulatus belongs to Deltodus' according to Newberry and Worthen 1866
'Deltodus undulatus belongs to Deltodus'
'Deltoptychius belongs to Cochliodontidae'
'Deltoptychius expansus belongs to Deltoptychius' according to Saint John and Worthen 1883
'Deltoptychius expansus belongs to Deltoptychius'
'Deltoptychius primus belongs to Deltoptychius' according to Saint John and Worthen 1883
'Deltoptychius primus belongs to Deltoptychius'
'Deltoptychius varsoviensis belongs to Deltoptychius' according to Saint John and Worthen 1883
'Deltoptychius varsoviensis belongs to Deltoptychius'
'Deltoptychius wachsmuthi belongs to Deltoptychius' according to Saint John and Worthen 1883
'Deltoptychius wachsmuthi belongs to Deltoptychius'
'Dendrerpeton belongs to Dendrerpetontidae'
'Dendrerpeton acadianum belongs to Dendrerpeton'
'Dendrerpeton obtusum is recombined as Tuditanus obtusus'
'Dendrerpeton oweni belongs to Dendrerpeton'
'Dendrerpetontidae belongs to Apoecospondyli'
'Dendrodus belongs to Holoptychiidae'
'Dendrodus arisaigensis belongs to Dendrodus' according to Whiteaves 1896
'Dendrodus arisaigensis belongs to Dendrodus'
'Dendrodus biporcatus belongs to Dendrodus'
'Denticete is a subjective synonym of Odontocete'
'Dercetidae belongs to Hemibranchii'
'Dermatemys costilata is recombined as Baptemys costilatus'
'Dermochelyidae belongs to Athecae'
'Dermodactylus belongs to Ornithocephalidae'
'Desmatippus belongs to Hyracotheriinae'
'Desmatippus crenidens belongs to Desmatippus'
'Desmatochelyidae belongs to Cryptodira'
'Desmatochelys belongs to Desmatochelyidae'
'Desmatochelys lowii belongs to Desmatochelys'
'Desmatotherium is a subjective synonym of Helaletes'
'Desmatotherium guyotii is recombined as Helaletes guyotii'
'Desmiodus belongs to Orodontidae'
'Desmiodus costelliferus belongs to Desmiodus' according to Saint John and Worthen 1875
'Desmiodus costelliferus belongs to Desmiodus'
'Desmiodus ligoniformis belongs to Desmiodus' according to Saint John and Worthen 1875
'Desmiodus ligoniformis belongs to Desmiodus'
'Desmiodus tumidus belongs to Desmiodus' according to Saint John and Worthen 1875
'Desmiodus tumidus belongs to Desmiodus'
'Desmostylus belongs to Halitheriidae'
'Desmostylus hesperus belongs to Desmostylus'
'Diacium belongs to Amphisbaenidae'
'Diacium quinquepedale belongs to Diacium'
'Diacium unipedalis is recombined as Platyrhachis unipedalis'
'Diacodexis is a subjective synonym of Hyopsodus'
'Diacodon belongs to Leptictidae'
'Diacodon alticuspis belongs to Diacodon'
'Diacodon celatus belongs to Diacodon'
'Diacranodus belongs to Pleuracanthidae'
'Diadectes belongs to Diadectidae'
'Diadectes biculminatus belongs to Diadectes'
'Diadectes latibuccatus belongs to Diadectes'
'Diadectes molaris is recombined as Empedias molaris'
'Diadectes phaseolinus belongs to Diadectes'
'Diadectes sideropelicus belongs to Diadectes'
'Diadectes tenuitectus is recombined as Bolbodon tenuitectus'
'Diadectidae belongs to Cotylosauria'
'Diaphorocetus is a subjective synonym of Hypocetus'
'Diastichus belongs to Cyprininae'
'Diastichus macrodon belongs to Diastichus' according to Cope 1870
'Diastichus macrodon belongs to Diastichus'
'Diastichus parvidens belongs to Diastichus'
'Diastichus parvidens belongs to Diastichus' according to Cope 1870
'Diastichus strangulatus belongs to Diastichus'
'Diastichus strangulatus belongs to Diastichus' according to Cope 1883
'Diatryma belongs to Gastornithidae'
'Diatryma gigantea [misspelled as Diatryma giganteum] belongs to Diatryma'
'Dibelodon praecursor is recombined as Mammut praecursor'
'Dibelodon tropicus is recombined as Mammut tropicum'
'Diceratheriinae belongs to Rhinocerotidae'
'Diceratherium belongs to Diceratheriinae'
'Diceratherium advenum is recombined as Amynodon advenus'
'Diceratherium armatum belongs to Diceratherium'
'Diceratherium nanum belongs to Diceratherium'
'Diceratherium proavitum is a subjective synonym of Caenopus tridactylus'
'Diclonius is a subjective synonym of Trachodon'
'Diclonius calamarius is recombined as Trachodon calamarius'
'Diclonius pentagonus is recombined as Trachodon pentagonus'
'Diclonius perangulatus is recombined as Trachodon perangulatus'
'Dicotyles is a subjective synonym of Tayassu'
'Dicotyles antiquus is recombined as Perchoerus antiquus'
'Dicotyles costatus is a subjective synonym of Platygonus compressus'
'Dicotyles hesperius is recombined as Tayassu hesperius'
'Dicotyles lenis is a subjective synonym of Tayassu tajacu'
'Dicotyles nasutus is recombined as Tayassu nasutus'
'Dicotyles pennsylvanicus is recombined as Tayassu pennsylvanicus'
'Dicotyles pristinus is recombined as Bothrolabis pristinus'
'Dicotyles serus is recombined as Tayassu serus'
'Dicotyles torquatus is a subjective synonym of Tayassu tajacu'
'Dicotylinae is a subjective synonym of Tayassuinae'
'Dicrocerus is a subjective synonym of Merycodus'
'Dicrocerus tehuanus is recombined as Merycodus tehuanus'
'Dicrocerus trilateralis is recombined as Merycodus trilateralis'
'Dicrocynodon belongs to Amphitheriidae'
'Dictyocephalus belongs to Mastodonsauridae'
'Dictyocephalus elegans belongs to Dictyocephalus'
'Dictyodus belongs to Sphyraenidae'
'Dictyopyge belongs to Dictyopygidae'
'Dictyopygidae belongs to Chondrostei'
'Dictyorhabdus belongs to Chimaeridae'
'Dicynodon belongs to Dicynodontidae'
'Dicynodon lacerticeps belongs to Dicynodon'
'Dicynodon rosmarus belongs to Dicynodon'
'Dicynodontidae belongs to Anomodontia'
'Didelphia was reranked as a superorder and belongs to Eutheria'
'Didelphidae belongs to Polyprotodontia'
'Didelphis belongs to Didelphidae'
'Didelphys is a misspelling of Didelphis'
'Didelphis marsupialis belongs to Didelphis'
'Didelphis virginiana belongs to Didelphis'
'Didelphodon belongs to Cimolestidae'
'Didelphodon comptus belongs to Didelphodon'
'Didelphodon ferox belongs to Didelphodon'
'Didelphodon vorax belongs to Didelphodon'
'Didelphodus belongs to Proviverridae'
'Didelphops is a subjective synonym of Didelphodon'
'Didelphys pygmaea is recombined as Didelphis pygmaea'
'Didymictis is a subjective synonym of Viverravus'
'Didymictis altidens is recombined as Viverravus altidens'
'Didymictis curtidens is recombined as Viverravus curtidens'
'Didymictis dawkinsianus is a subjective synonym of Viverravus gracilis'
'Didymictis haydenianus is recombined as Viverravus haydenianus'
'Didymictis leptomylus is recombined as Viverravus leptomylus'
'Didymictis massetericus is recombined as Viverravus massetericus'
'Didymictis primus is a subjective synonym of Viverravus haydenianus'
'Didymodus texensis belongs to Didymodus' according to Cope 1888
'Didymodus texensis is recombined as Diacranodus texensis'
'Dilophodon is a subjective synonym of Helaletes'
'Dilophodon minusculus is recombined as Helaletes minusculus'
'Dimetrodon belongs to Clepsydropidae'
'Dimetrodon cruciger is recombined as Naosaurus cruciger'
'Dimetrodon incisivus belongs to Dimetrodon'
'Dimetrodon rectiformis belongs to Dimetrodon'
'Dimetrodon semiradicatus belongs to Dimetrodon'
'Dinichthyidae was reranked as the subfamily Dinichthyinae and belongs to Coccosteidae'
'Dinichthys belongs to Dinichthyinae'
'Dinichthys canadensis belongs to Dinichthys' according to Whiteaves 1892
'Dinichthys canadensis belongs to Dinichthys'
'Dinichthys corrugatus belongs to Dinichthys' according to Newberry 1889
'Dinichthys corrugatus is recombined as Stenognathus corrugatus'
'Dinichthys curtus belongs to Dinichthys' according to Newberry 1888
'Dinichthys curtus belongs to Dinichthys'
'Dinichthys gouldii belongs to Dinichthys' according to Newberry 1885
'Dinichthys gouldii belongs to Dinichthys'
'Dinichthys gracilis belongs to Dinichthys' according to Claypole 1893
'Dinichthys gracilis belongs to Dinichthys'
'Dinichthys hertzeri belongs to Dinichthys'
'Dinichthys intermedius belongs to Dinichthys' according to Newberry 1889
'Dinichthys intermedius belongs to Dinichthys'
'Dinichthys lincolni belongs to Dinichthys' according to Claypole 1893
'Dinichthys lincolni belongs to Dinichthys'
'Dinichthys minor belongs to Dinichthys' according to Newberry 1878
'Dinichthys minor belongs to Dinichthys'
'Dinichthys newberryi belongs to Dinichthys' according to Clarke 1885
'Dinichthys newberryi belongs to Dinichthys'
'Dinichthys praemaxillaris belongs to Dinichthys'
'Dinichthys precursor belongs to Dinichthys' according to Newberry 1889
'Dinichthys precursor belongs to Dinichthys'
'Dinichthys prentisclarki belongs to Dinichthys' according to Claypole 1896
'Dinichthys prentisclarki belongs to Dinichthys'
'Dinichthys pustulosus belongs to Dinichthys'
'Dinichthys ringuebergi belongs to Dinichthys' according to Newberry 1889
'Dinichthys ringuebergi belongs to Dinichthys'
'Dinichthys terrelli belongs to Dinichthys' according to Newberry 1873
'Dinichthys terrelli belongs to Dinichthys'
'Dinichthys terrelli is recombined as Ponerichthys terrelli' according to Miller 1892
'Dinichthys tuberculatus belongs to Dinichthys' according to Newberry 1888
'Dinichthys tuberculatus belongs to Dinichthys'
'Dinictis bombifrons is recombined as Deinictis bombifrons'
'Dinictis cyclops is recombined as Deinictis cyclops'
'Dinictis felina is recombined as Deinictis felina'
'Dinictis fortis is recombined as Deinictis fortis'
'Dinictis major is recombined as Deinictis major'
'Dinobastis belongs to Machairodontinae'
'Dinobastis serus belongs to Dinobastis'
'Dinoceras belongs to Tinoceridae'
'Dinoceras agreste belongs to Dinoceras'
'Dinoceras cuneum belongs to Dinoceras'
'Dinoceras distans belongs to Dinoceras'
'Dinoceras lacustre is recombined as Tinoceras lacustre'
'Dinoceras laticeps belongs to Dinoceras'
'Dinoceras lucare belongs to Dinoceras'
'Dinoceras mirabile belongs to Dinoceras'
'Dinoceras reflexum belongs to Dinoceras'
'Dinocerata is a subjective synonym of Dinocerea'
'Dinocerea was reranked as a suborder and belongs to Amblypoda'
'Dinodontidae is a subjective synonym of Megalosauridae'
'Dinophis is a subjective synonym of Palaeophis'
'Dinophis grandis is recombined as Palaeophis grandis'
'Dinosauria belongs to Reptilia'
'Dinotomius is a subjective synonym of Hoplophoneus'
'Dinotomius atrox is a subjective synonym of Hoplophoneus occidentalis'
'Dinoziphius carolinensis is recombined as Physeter carolinensis'
'Diodon belongs to Diodontidae'
'Diodon vetus belongs to Diodon' according to Leidy 1855
'Diodon vetus belongs to Diodon'
'Diodontidae belongs to Diodontoidea'
'Diodontoidea belongs to Gymnodontes'
'Diopeus is a subjective synonym of Clepsydrops'
'Dioplotherium belongs to Halitheriidae'
'Dioplotherium manigaulti is corrected as Dioplotherium manigaultii and belongs to Dioplotherium'
'Diphrissa is a subjective synonym of Edaphodon'
'Diphrissa latidens is recombined as Edaphodon latidens'
'Diplacanthidae belongs to Acanthodii'
'Diplacanthus belongs to Diplacanthidae'
'Diplacodon belongs to Lambdotheriinae'
'Diplacodon elatus belongs to Diplacodon'
'Diplacodon emarginatus belongs to Diplacodon'
'Diplaspis is a subjective synonym of Cyathaspis'
'Diplocaulidae belongs to Microsauria'
'Diplocaulus belongs to Diplocaulidae'
'Diplocaulus limbatus belongs to Diplocaulus'
'Diplocaulus magnicornis belongs to Diplocaulus'
'Diplocaulus salamandroides belongs to Diplocaulus'
'Diploclonus amplus is recombined as Megacerops amplus'
'Diplocynodon is replaced by Dicrocynodon'
'Diplocynodon belongs to Crocodylidae'
'Diplocynodon ratelii belongs to Diplocynodon'
'Diplocynodon victor is recombined as Dicrocynodon victor'
'Diplocynodontidae is a subjective synonym of Amphitheriidae'
'Diplocynodus polyodon is recombined as Crocodylus polyodon'
'Diplodocidae belongs to Opisthocoelia'
'Diplodocus belongs to Diplodocidae'
'Diplodocus lacustris belongs to Diplodocus'
'Diplodocus longus belongs to Diplodocus'
'Diplodus acinaces is recombined as Dittodus acinaces'
'Diplodus compressus is recombined as Dittodus compressus'
'Diplodus duplicatus belongs to Diplodus' according to Newberry and Worth 1866
'Diplodus duplicatus is recombined as Thrinacodus duplicatus'
'Diplodus gibbosus is recombined as Dittodus gibbosus'
'Diplodus gracilis is recombined as Dittodus gracilis'
'Diplodus incurvus is recombined as Thrinacodus incurvus'
'Diplodus latus is recombined as Dittodus latus'
'Diplodus penetrans is recombined as Dittodus penetrans'
'Diplodus priscus belongs to Diplodus' according to Eastman 1899
'Diplodus priscus is recombined as Dittodus priscus'
'Diplodus problematicus is recombined as Doliodus problematicus'
'Diplodus striatus belongs to Diplodus' according to Eastman 1899
'Diplodus striatus is recombined as Dittodus striatus'
'Diplognathus belongs to Dinichthyinae'
'Diplognathus mirabilis belongs to Diplognathus' according to Newberry 1878
'Diplognathus mirabilis belongs to Diplognathus'
'Diplomystus belongs to Clupeidae'
'Diplomystus analis belongs to Diplomystus'
'Diplomystus dentatus belongs to Diplomystus'
'Diplomystus pectorosus belongs to Diplomystus'
'Diplosaurus is a subjective synonym of Goniopholis'
'Diplosaurus felix is recombined as Goniopholis felix'
'Diplostoma bulbivorum belongs to Diplostoma' according to Richardson 1829
'Diplostoma bulbivorum is recombined as Thomomys bulbivorus'
'Diplotomodon belongs to Tylosaurinae'
'Diplurus belongs to Coelacanthidae'
'Diplurus longicaudatus belongs to Diplurus'
'Dipneusta is a subjective synonym of Dipnoi'
'Dipnoi was reranked as a superorder and belongs to Azygostei'
'Dipodidae belongs to Myomorpha'
'Dipriodon is a subjective synonym of Meniscoessus'
'Dipriodon lunatus is recombined as Meniscoessus lunatus'
'Dipriodon robustus is recombined as Meniscoessus robustus'
'Dipriodontidae is a subjective synonym of Plagiaulacidae'
'Dipristis is a subjective synonym of Edaphodon'
'Dipristis meirsii is recombined as Edaphodon miersii'
'Dipteridae belongs to Ctenodipterini'
'Dipterus belongs to Dipteridae'
'Dipterus (Ctenodus) flabelliformis belongs to Dipterus (Ctenodus)' according to Newberry 1889
'Dipterus (Ctenodus) flabelliformis is recombined as Dipterus flabelliformis'
'Dipterus (Ctenodus) minutus belongs to Dipterus (Ctenodus)' according to Newberry 1889
'Dipterus (Ctenodus) minutus is recombined as Dipterus minutus'
'Dipterus (Ctenodus) nelsoni belongs to Dipterus (Ctenodus)' according to Newberry 1889
'Dipterus (Ctenodus) nelsoni is recombined as Dipterus nelsoni'
'Dipterus (Ctenodus) radiatus is replaced by Dipterus contraversus'
'Dipterus calvini belongs to Dipterus' according to Eastman 1900
'Dipterus calvini belongs to Dipterus'
'Dipterus contraversus belongs to Dipterus'
'Dipterus costatus belongs to Dipterus' according to Eastman 1900
'Dipterus costatus belongs to Dipterus'
'Dipterus mordax belongs to Dipterus' according to Eastman 1900
'Dipterus mordax belongs to Dipterus'
'Dipterus sherwoodi belongs to Dipterus' according to Newberry 1875
'Dipterus sherwoodi belongs to Dipterus'
'Dipterus uddeni belongs to Dipterus' according to Eastman 1900
'Dipterus uddeni belongs to Dipterus'
'Dipterus valenciennesi belongs to Dipterus'
'Dipus hudsonius is recombined as Zapus hudsonius'
'Diracodon belongs to Stegosauridae'
'Diracodon laticeps belongs to Diracodon'
'Dirrhizodon is a subjective synonym of Hemipristis'
'Dirrhizodon elongatus belongs to Dirrhizodon' according to Klunziger 1871
'Dirrhizodon elongatus is a subjective synonym of Hemipristis serra'
'Discosaurus is a subjective synonym of Cimoliasaurus'
'Discosaurus planior is recombined as Cimoliasaurus planior'
'Discosaurus vetustus is recombined as Cimoliasaurus vetustus'
'Dissacus belongs to Mesonychidae'
'Dissacus leptognathus belongs to Dissacus'
'Dissacus saurognathus belongs to Dissacus'
'Dissorophus belongs to Archegosauridae'
'Dissorophus multicinctus belongs to Dissorophus'
'Ditetrodon is a subjective synonym of Uintatherium'
'Dittodus belongs to Pleuracanthidae'
'Dittodus lucasi belongs to Dittodus'
'Dittodus lucasi belongs to Dittodus' according to Hay 1900
'Docodon belongs to Amphitheriidae'
'Docodon striatus belongs to Docodon'
'Dolichorhinus belongs to Lambdotheriinae'
'Dolichosomatidae is a subjective synonym of Molgophidae'
'Doliodus belongs to Pleuracanthidae'
'Domnina belongs to Leptictidae'
'Domnina gradata belongs to Domnina'
'Dorudon belongs to Basilosauridae'
'Dorudon serratus belongs to Dorudon'
'Drepanacanthus anceps belongs to Drepanacanthus' according to Newberry and Worthen 1866
'Drepanacanthus anceps is recombined as Xystracanthus anceps'
'Drepanacanthus gemmatus is recombined as Xystracanthus gemmatus'
'Drepanacanthus reversus belongs to Drepanacanthus' according to Saint John and Worthen 1875
'Drepanacanthus reversus is recombined as Xystracanthus reversus'
'Drepanacanthus stellatus is recombined as Batacanthus stellatus'
'Mosasaurus impar is a subjective synonym of Macrosaurus mitchillii'
'Dromaeognathae was reranked as a superorder and belongs to Eurhipidura'
'Dromaeopappi belongs to Odontolcae'
'Dromatheriidae belongs to Protodonta'
'Dromatherium belongs to Dromatheriidae'
'Dromatherium sylvestre belongs to Dromatherium'
'Dromocyon is a subjective synonym of Mesonyx'
'Dromocyon vorax is recombined as Mesonyx vorax'
'Dromopus agilis belongs to Dromopus'
'Dromopus agilis belongs to Dromopus' according to Marsh 1894
'Dryolestes belongs to Dryolestidae'
'Dryolestes arcuatus belongs to Dryolestes'
'Dryolestes gracilis belongs to Dryolestes'
'Dryolestes obtusus belongs to Dryolestes'
'Dryolestes priscus belongs to Dryolestes'
'Dryolestes tenax belongs to Dryolestes'
'Dryolestes vorax belongs to Dryolestes'
'Dryolestidae belongs to Polyprotodontia'
'Dryosaurus belongs to Camptosauridae'
'Dryptodon belongs to Stylinodontidae'
'Dryptodon crassus belongs to Dryptodon'
'Dryptosauridae is a subjective synonym of Megalosauridae'
'Dryptosaurus belongs to Megalosauridae'
'Dryptosaurus kenabekides belongs to Dryptosaurus'
'Duplicidentata was reranked as a suborder and belongs to Glires'
'Dysganus belongs to Trachodontidae'
'Dysganus bicarinatus belongs to Dysganus'
'Dysganus encaustus belongs to Dysganus'
'Dysganus haydenianus belongs to Dysganus'
'Dysganus peiganus belongs to Dysganus'
'Dystrophaeus belongs to Stegosauridae'
'Dystrophaeus viaemalae belongs to Dystrophaeus'
'Eboroziphius coelops is recombined as Choneziphius coelops'
'Echinorhinus belongs to Somniosidae'
'Echinorhinus blakei belongs to Echinorhinus'
'Ectacodon cinctus is recombined as Coryphodon cinctus'
'Ectocion belongs to Phenacodontidae'
'Ectoconodon belongs to Amblypoda'
'Ectoconodon petersoni belongs to Ectoconodon'
'Ectoconus belongs to Periptychinae'
'Ectocynodon is a subjective synonym of Pariotichus'
'Ectocynodon aguti is recombined as Pariotichus aguti'
'Ectocynodon incisivus is recombined as Pariotichus incisivus'
'Ectocynodon ordinatus is recombined as Pariotichus ordinatus'
'Ectoganidae is a subjective synonym of Stylinodontidae'
'Ectoganus belongs to Stylinodontidae'
'Ectoganus gliriformis belongs to Ectoganus'
'Ectosteorhachis ciceronius is recombined as Parabatrachus ciceronius'
'Ectosteorhachis nitidus is recombined as Parabatrachus nitidus'
'Eczematolepis belongs to Ichthyodorulites'
'Edaphodon belongs to Chimaeridae'
'Edaphodon bucklandi belongs to Edaphodon'
'Edaphodon mirificus belongs to Edaphodon'
'Edaphosaurus belongs to Clepsydropidae'
'Edaphosaurus microdus is recombined as Naosaurus microdus'
'Edaphosaurus pogonias belongs to Edaphosaurus'
'Edentata is a subjective synonym of Bruta'
'Edestosaurus is a subjective synonym of Clidastes'
'Edestosaurus dispar is recombined as Clidastes dispar'
'Edestosaurus rex is recombined as Clidastes rex'
'Edestosaurus stenops is recombined as Clidastes stenops'
'Edestosaurus tortor is recombined as Clidastes tortor'
'Edestosaurus velox is recombined as Clidastes velox'
'Edestus belongs to Ichthyodorulites'
'Edestus giganteus belongs to Edestus' according to Newberry 1888
'Edestus giganteus belongs to Edestus'
'Edestus heinrichii is corrected as Edestus heinrichsii and belongs to Edestus'
'Edestus lecontei belongs to Edestus'
'Edestus minor belongs to Edestus'
'Edestus vorax belongs to Edestus'
'Elachoceras belongs to Tinoceridae'
'Elachoceras parvum belongs to Elachoceras'
'Elasmobranchii was reranked as a class and belongs to Vertebrata'
'Elasmosauridae belongs to Plesiosauria'
'Elasmosaurus belongs to Elasmosauridae'
'Elasmosaurus intermedius belongs to Elasmosaurus'
'Elasmosaurus orientalis belongs to Elasmosaurus'
'Elasmosaurus platyurus belongs to Elasmosaurus'
'Elasmosaurus serpentinus belongs to Elasmosaurus'
'Elasmotheriina was reranked as the subfamily Elasmotheriinae and belongs to Rhinocerotidae'
'Elephantidae belongs to Proboscidea'
'Elephas belongs to Elephantidae'
'Elephas americanus is recombined as Mammut americanum'
'Elephas americanus is a subjective synonym of Elephas primigenius'
'Elephas columbi belongs to Elephas'
'Elephas imperator is a subjective synonym of Elephas columbi'
'Elephas maximus belongs to Elephas'
'Elephas primigenius belongs to Elephas'
'Ellipsodon belongs to Oxyclaenidae'
'Elliptonodon belongs to Tylosaurinae'
'Elliptonodon compressus belongs to Elliptonodon'
'Elomeryx belongs to Anthracotheriinae'
'Elomeryx mitis belongs to Elomeryx'
'Elonichthys belongs to Palaeoniscidae'
'Elonichthys germari belongs to Elonichthys'
'Elonichthys hypsilepis belongs to Elonichthys' according to Hay 1900
'Elonichthys hypsilepis belongs to Elonichthys'
'Elonichthys peltigerus belongs to Elonichthys'
'Elotherium belongs to Achaenodontinae'
'Elotherium arctatum is a subjective synonym of Elotherium coarctatum'
'Elotherium clavum belongs to Elotherium'
'Elotherium coarctatum belongs to Elotherium'
'Elotherium crassum belongs to Elotherium'
'Elotherium imperator belongs to Elotherium'
'Elotherium leidyanum is recombined as Ammodon leidyanus'
'Elotherium lentus is recombined as Helohyus lentus'
'Elotherium ramosum belongs to Elotherium'
'Elotherium superbus is corrected as Elotherium superbum and belongs to Elotherium'
'Embalorhynchus belongs to Istiophorinae'
'Embalorhynchus kinnei belongs to Embalorhynchus'
'Embaphias belongs to Elasmosauridae'
'Embaphias circulosus belongs to Embaphias'
'Embassis is a subjective synonym of Didelphis'
'Embassis alternans is recombined as Didelphis alternans'
'Embolophorus belongs to Clepsydropidae'
'Embolophorus dollovianus belongs to Embolophorus'
'Embolophorus fritillus belongs to Embolophorus'
'Empedias belongs to Diadectidae'
'Empedias fissus is recombined as Diadectes fissus'
'Empedocles is replaced by Empedias'
'Empedocles alatus is recombined as Empedias alatus'
'Empo belongs to Stratodontidae'
'Empo contracta belongs to Empo'
'Empo lisbonensis belongs to Empo' according to Stewart 1899
'Empo lisbonensis belongs to Empo'
'Empo merrillii belongs to Empo'
'Empo nepaholica belongs to Empo'
'Emydidae belongs to Cryptodira'
'Emys belongs to Emydidae'
'Emys beatus is recombined as Adocus beatus'
'Emys carteri is a subjective synonym of Hadrianus corsoni'
'Emys cibollensis belongs to Emys'
'Testudo culbertsonii is a subjective synonym of Stylemys nebrascensis'
'Emys euglypha belongs to Emys'
'Emys euthnetus is corrected as Emys euthneta and belongs to Emys'
'Emys firmus is recombined as Agomphus firmus'
'Emys haydeni belongs to Emys'
'Emys hemispherica is a subjective synonym of Stylemys nebrascensis'
'Emys latilabiatus is corrected as Emys latilabiata and belongs to Emys'
'Emys lativertebralis belongs to Emys'
'Emys megaulax belongs to Emys'
'Emys obscurus is recombined as Compsemys obscurus'
'Emys oweni is a subjective synonym of Stylemys nebrascensis'
'Emys pachylomus is a subjective synonym of Emys megaulax'
'Emys petrolei belongs to Emys'
'Emys pravus is recombined as Adocus pravus'
'Emys septarius is corrected as Emys septaria and belongs to Emys'
'Emys shaugnessiana is corrected as Emys shaughnessiana and belongs to Emys'
'Emys turgidus is recombined as Agomphus turgidus'
'Emys wyomingensis belongs to Emys'
'Enchodontidae belongs to Isospondyli'
'Enchodus belongs to Enchodontidae'
'Enchodus amicrodus belongs to Enchodus' according to Stewart 1898
'Enchodus amicrodus belongs to Enchodus'
'Enchodus calliodon belongs to Enchodus'
'Enchodus calliodon belongs to Enchodus' according to Cope 1872
'Enchodus dirus is recombined as Phasganodus dirus' according to Leidy 1857
'Enchodus dirus is recombined as Cimolichthys dirus'
'Enchodus dolichus belongs to Enchodus' according to Cope 1875
'Enchodus dolichus belongs to Enchodus'
'Enchodus faujasii is corrected as Enchodus faujasi and belongs to Enchodus'
'Enchodus ferox belongs to Enchodus'
'Enchodus gladiolus belongs to Enchodus'
'Enchodus oxytomus belongs to Enchodus'
'Enchodus parvus belongs to Enchodus' according to Stewart 1898
'Enchodus parvus belongs to Enchodus'
'Enchodus petrosus belongs to Enchodus'
'Enchodus pressidens belongs to Enchodus' according to Cope 1889
'Enchodus pressidens belongs to Enchodus'
'Enchodus semistriatus belongs to Enchodus'
'Enchodus shumardi is corrected as Enchodus shumardii and belongs to Enchodus'
'Enchodus tetraecus belongs to Enchodus'
'Enhydrocyon belongs to Simocyoninae'
'Enhydrocyon basilatus is recombined as Hyaenocyon basilatus'
'Enhydrocyon stenocephalus belongs to Enhydrocyon'
'Ennacodon belongs to Amphitheriidae'
'Enneodon is replaced by Ennacodon'
'Enneodon affinis is recombined as Ennacodon affinis'
'Enneodon crassus is recombined as Ennacodon crassus'
'Entelodon ingens is recombined as Elotherium ingens'
'Entomacodon belongs to Leptictidae'
'Entomacodon angustidens belongs to Entomacodon'
'Entomacodon minutus belongs to Entomacodon'
'Entomodon belongs to Leptictidae'
'Entomodon comptus belongs to Entomodon'
'Entoptychus belongs to Geomyidae'
'Entoptychus cavifrons belongs to Entoptychus'
'Entoptychus crassiramis belongs to Entoptychus'
'Entoptychus lambdoideus belongs to Entoptychus'
'Entoptychus minor belongs to Entoptychus'
'Entoptychus planifrons belongs to Entoptychus'
'Eobasileus belongs to Tinoceridae'
'Eobasileus cornutus is recombined as Tinoceras cornutum'
'Eobasileus galeatus is recombined as Tinoceras galeatum'
'Eobatrachus belongs to Salientia'
'Eobatrachus agilis belongs to Eobatrachus'
'Eohippus belongs to Hyracotheriinae'
'Eohippus pernix belongs to Eohippus'
'Eohippus validus belongs to Eohippus'
'Eohippus venticolus is recombined as Protorohippus venticolus'
'Eohyidae belongs to Pantolestoidea'
'Eohyus belongs to Eohyidae'
'Eohyus distans belongs to Eohyus'
'Eohyus robustus belongs to Eohyus'
'Eomeryx belongs to Protoreodontinae'
'Eosaurus belongs to Anthracosauridae'
'Eosaurus acadianus belongs to Eosaurus'
'Epanterias belongs to Morosauridae'
'Epanterias amplexus belongs to Epanterias'
'Epichriacus is a subjective synonym of Chriacus'
'Epicordylus is a subjective synonym of Eryops'
'Epicordylus erythroliticus is recombined as Eryops erythroliticus'
'Epicordylus erythroliticus belongs to Epicordylus' according to Cope 1878
'Epihippus belongs to Hyracotheriinae'
'Episcoposaurus belongs to Phytosauridae'
'Episcoposaurus haplocerus belongs to Episcoposaurus'
'Episcoposaurus horridus belongs to Episcoposaurus'
'Eporeodon belongs to Merycoidodontinae'
'Eporeodon socialis belongs to Eporeodon'
'Equidae belongs to Equoidea'
'Equinae belongs to Equidae'
'Equoidea belongs to Perissodactyla'
'Equus belongs to Equinae'
'Protohippus is a subjective synonym of Merychippus'
'Equus (Protohippus) perditus is recombined as Merychippus perditus'
'Equus americanus is a subjective synonym of Equus complicatus'
'Equus barcenaei is a subjective synonym of Equus tau'
'Equus caballus belongs to Equus'
'Equus complicatus belongs to Equus'
'Equus conversidens belongs to Equus'
'Equus crenidens belongs to Equus'
'Equus cumminsii is recombined as Merychippus cumminsii'
'Equus curvidens is a subjective synonym of Equus fraternus'
'Equus eurystylus is recombined as Hipparion eurystylum'
'Equus excelsus belongs to Equus'
'Equus fraternus belongs to Equus'
'Equus giganteus belongs to Equus'
'Equus eous is a subjective synonym of Equus complicatus'
'Equus major is a subjective synonym of Equus complicatus'
'Equus minutus is replaced by Merychippus phlegon'
'Equus nearcticus is a subjective synonym of Equus complicatus'
'Equus occidentalis belongs to Equus'
'Equus pacificus belongs to Equus'
'Equus parvulus is recombined as Merychippus parvulus'
'Equus pectinatus belongs to Equus'
'Equus phlegon is recombined as Merychippus phlegon'
'Equus scotti belongs to Equus'
'Equus semiplicatus belongs to Equus'
'Equus simplicidens is recombined as Pliohippus simplicidens'
'Equus tau belongs to Equus'
'Ereptodon belongs to Megatheriidae'
'Ereptodon priscus belongs to Ereptodon'
'Erethizon belongs to Erethizontinae'
'Erethizon cloacinum is corrected as Erethizon cloacinus and belongs to Erethizon'
'Erethizontidae belongs to Hystricomorpha'
'Erethizontinae belongs to Erethizontidae'
'Eriptychius belongs to Holoptychiidae'
'Eriptychius americanus belongs to Eriptychius'
'Erisichthe is a subjective synonym of Protosphyraena'
'Erisichthe dimidiata belongs to Erisichthe' according to Cope 1878
'Erisichthe dimidiata is recombined as Protosphyraena dimidiata'
'Erisichthe nitida is recombined as Protosphyraena nitida'
'Erisichthe penetrans is recombined as Protosphyraena penetrans'
'Erisichthe ziphioides is recombined as Protosphyraena ziphioides'
'Erismacanthus belongs to Ichthyodorulites'
'Erismacanthus jonesii belongs to Erismacanthus'
'Erismacanthus maccoyanus belongs to Erismacanthus'
'Erismatopterus belongs to Aphredoderidae'
'Erismatopterus endlichi is corrected as Erismatopterus endlichii and belongs to Erismatopterus'
'Erismatopterus rickseckeri belongs to Erismatopterus' according to Cope 1871
'Erismatopterus rickseckeri belongs to Erismatopterus'
'Eryopidae belongs to Apoecospondyli'
'Eryops belongs to Eryopidae'
'Eryops megacephalus belongs to Eryops'
'Eryops reticulatus belongs to Eryops'
'Eschatius belongs to Camelinae'
'Eschatius conidens belongs to Eschatius'
'Eschatius longirostris belongs to Eschatius'
'Eschrichtius cephalus is recombined as Cetotherium cephalum'
'Eschrichtius davidsonii is recombined as Cetotherium davidsonii'
'Eschrichtius leptocentrus is recombined as Cetotherium leptocentrum'
'Eschrichtius polyporus is recombined as Cetotherium polyporum'
'Esocidae is a subjective synonym of Luciidae'
'Esox osseus is recombined as Lepisosteus osseus'
'Esthonychidae belongs to Tillodontia'
'Esthonyx belongs to Esthonychidae'
'Esthonyx acer belongs to Esthonyx'
'Esthonyx acutidens belongs to Esthonyx'
'Esthonyx bisulcatus belongs to Esthonyx'
'Esthonyx burmeisteri is corrected as Esthonyx burmeisterii and belongs to Esthonyx'
'Esthonyx miticulus is recombined as Hyopsodus miticulus'
'Esthonyx spatularius belongs to Esthonyx'
'Eubradys is a subjective synonym of Mylodon'
'Eubradys antiquus is a subjective synonym of Mylodon harlani'
'Eubrontes dananus belongs to Eubrontes'
'Eucastor belongs to Castoridae'
'Euchoerus is a subjective synonym of Platygonus'
'Euchoerus macrops is a subjective synonym of Platygonus compressus'
'Euclastes platyops is recombined as Lytoloma platyops'
'Eucrotaphus belongs to Merycoidodontinae'
'Eucrotaphus auritus is recombined as Agriochoerus auritus'
'Eucrotaphus jacksoni belongs to Eucrotaphus'
'Eucrotaphus jacksoni pacificus is recombined as Eporeodon pacificus'
'Eucrotaphus major longifrons is recombined as Eporeodon longifrons'
'Eucrotaphus trigonocephalus is recombined as Eporeodon trigonocephalus'
'Euctenius belongs to Ichthyodorulites'
'Eugnathidae is replaced by Isopholidae'
'Eugnathus is replaced by Isopholis'
'Eumetopias belongs to Otariidae'
'Eumylodus is a subjective synonym of Edaphodon'
'Eumylodus laqueatus is recombined as Edaphodon laqueatus'
'Eumys belongs to Cricetinae'
'Eumys elegans belongs to Eumys'
'Eumys lockingtonianus is recombined as Paciculus lockingtonianus'
'Eunemacanthus belongs to Ichthyodorulites'
'Euornithes belongs to Eurhipidura'
'Eupachemys belongs to Emydidae'
'Eupachemys obtusus is corrected as Eupachemys obtusa and belongs to Eupachemys'
'Eupelor belongs to Mastodonsauridae'
'Euphaneropidae belongs to Osteostraci'
'Euphanerops belongs to Euphaneropidae'
'Euphanerops longaevus belongs to Euphanerops' according to Woodward 1900
'Euphanerops longaevus belongs to Euphanerops'
'Euprotogonia is a subjective synonym of Tetraclaenodon'
'Euprotogonia minor is recombined as Tetraclaenodon minor'
'Eurhipidura belongs to Aves'
'Euryacodon belongs to Leptictidae'
'Euryacodon lepidus belongs to Euryacodon'
'Eurydorus serridens is recombined as Phytosaurus serridens'
'Eurylepis is a subjective synonym of Haplolepis'
'Eurylepis insculptus belongs to Eurylepis' according to Newberry 1856
'Eurylepis insculptus is a subjective synonym of Haplolepis granulata'
'Eurylepis minimus belongs to Eurylepis' according to Newberry 1873
'Eurylepis minimus is recombined as Haplolepis minima'
'Eurylepis striolatus belongs to Eurylepis' according to Newberry 1873
'Eurylepis striolatus is recombined as Haplolepis striolata'
'Eurynotus tenuiceps is recombined as Semionotus tenuiceps'
'Eurythorax belongs to Microsauria'
'Eurythorax sublaevis belongs to Eurythorax'
'Euselachii belongs to Plagiostomata'
'Eusmilus belongs to Machairodontinae'
'Eusmilus dakotensis belongs to Eusmilus'
'Eusthenopteron belongs to Megalichthyidae'
'Eusthenopteron foordi is corrected as Eusthenopteron foordii and belongs to Eusthenopteron'
'Eusuchia belongs to Loricata'
'Eusyodon maximus is a subjective synonym of Teleoceras fossiger'
'Euthacanthus is a subjective synonym of Climatius'
'Euthacanthus macnicoli is a subjective synonym of Climatius reticulatus'
'Eutheria belongs to Mammalia'
'Exocampe arcta belongs to Exocampe'
'Exocampe minimus is corrected as Exocampe minima and belongs to Exocampe'
'Exocampe ornata belongs to Exocampe'
'Exostinus belongs to Anguidae'
'Exostinus serratus belongs to Exostinus'
'Falco chrysaetos is recombined as Aquila chrysaetos'
'Falconidae belongs to Accipitres'
'Felidae belongs to Aeluroidea'
'Felinae belongs to Felidae'
'Felis belongs to Felinae'
'Felis (Pseudaelurus) intrepidus is recombined as Pseudaelurus intrepidus'
'Felis atrox belongs to Felis'
'Felis augustus belongs to Felis'
'Felis calcaratus belongs to Felis'
'Felis catus belongs to Felis'
'Felis concolor belongs to Felis'
'Felis eyra belongs to Felis'
'Felis fatalis is recombined as Smilodon fatalis'
'Felis hillanus is corrected as Felis hillianus and belongs to Felis'
'Felis imperialis belongs to Felis'
'Felis maxima is corrected as Felis maximus and belongs to Felis'
'Felis quadridentata is recombined as Pseudaelurus quadridentata'
'Felis rufa [misspelled as Felis ruffus] belongs to Felis'
'Ferae belongs to Monodelphia'
'Fiber belongs to Microtinae'
'Fissipeda was reranked as the suborder Fissipedia and belongs to Ferae'
'Fissodus belongs to Petalodontidae'
'Fissodus bifidus belongs to Fissodus' according to Saint John and Worthen 1875
'Fissodus bifidus belongs to Fissodus'
'Fringillidae belongs to Passeres'
'Fritschia belongs to Hylonomidae'
'Fulica belongs to Rallidae'
'Fulica americana belongs to Fulica'
'Fulica atra belongs to Fulica'
'Fulica minor belongs to Fulica'
'Fulicopus minor is recombined as Plesiornis minor'
'Galecynus latidens is recombined as Nothocyon latidens'
'Galeidae belongs to Galeoidea'
'Galeocerdo belongs to Galeorhininae'
'Galeocerdo contortus belongs to Galeocerdo'
'Galeocerdo crassidens belongs to Galeocerdo' according to Cope 1872
'Galeocerdo crassidens belongs to Galeocerdo'
'Galeocerdo hartvelli belongs to Galeocerdo' according to Cope 1872
'Galeocerdo hartvelli is corrected as Galeocerdo hartwellii and belongs to Galeocerdo'
'Galeocerdo laevissimus belongs to Galeocerdo'
'Galeocerdo productus belongs to Galeocerdo'
'Galeocerdo subcrenatus belongs to Galeocerdo'
'Galeocerdo subcrenatus belongs to Galeocerdo' according to Emmons 1858
'Galeocerdo tigrinus belongs to Galeocerdo' according to Müller and Henle 1838
'Galeocerdo tigrinus belongs to Galeocerdo'
'Galeoidea belongs to Squali'
'Galeorhinidae was reranked as the subfamily Galeorhininae and belongs to Galeidae'
'Galeorhinus belongs to Galeorhininae'
'Galera macrodon is recombined as Galictis macrodon'
'Galera perdicida is recombined as Spilogale perdicida'
'Galeus aduncus is recombined as Galeocerdo aduncus'
'Galeus latidens is recombined as Galeocerdo latidens'
'Galeus minor is recombined as Galeocerdo minor'
'Galeus pristodontus is recombined as Corax pristodontus'
'Galictis belongs to Mustelinae'
'Gallinae belongs to Euornithes'
'Gallinuloides belongs to Gallinuloididae'
'Gallinuloides wyomingensis belongs to Gallinuloides'
'Gallinuloididae belongs to Alectoropodes'
'Gamphacanthus belongs to Ichthyodorulites'
'Gampsacanthus belongs to Ichthyodorulites'
'Gampsacanthus latus belongs to Gampsacanthus' according to Saint John and Worthen 1875
'Gampsacanthus latus belongs to Gampsacanthus'
'Gampsacanthus squamosus belongs to Gampsacanthus' according to Saint John and Worthen 1875
'Gampsacanthus squamosus belongs to Gampsacanthus'
'Gampsacanthus typus belongs to Gampsacanthus' according to Saint John and Worthen 1875
'Gampsacanthus typus belongs to Gampsacanthus'
'Ganorhynchus belongs to Dipteridae'
'Ganorhynchus beecheri belongs to Ganorhynchus' according to Newberry 1889
'Ganorhynchus beecheri belongs to Ganorhynchus'
'Ganorhynchus oblongus belongs to Ganorhynchus'
'Ganorhynchus woodwardi belongs to Ganorhynchus'
'Gasterosteidae belongs to Hemibranchii'
'Gasterosteiformes is a subjective synonym of Hemibranchii'
'Gasterosteus belongs to Gasterosteidae'
'Gasterosteus aculeatus belongs to Gasterosteus'
'Gasterosteus bispinosus belongs to Gasterosteus' according to Walbaum 1792
'Gasterosteus bispinosus belongs to Gasterosteus'
'Gastornithes belongs to Dromaeognathae'
'Gastornithidae belongs to Gastornithes'
'Gavialidae belongs to Eusuchia'
'Gavialis belongs to Gavialidae'
'Gavialis gangeticus belongs to Gavialis'
'Gavialis minor belongs to Gavialis'
'Gavialis neocesariensis is recombined as Thoracosaurus neocesariensis'
'Geisacanthus is a subjective synonym of Cosmacanthus'
'Geisacanthus bullatus belongs to Geisacanthus' according to Saint John and Worthen 1875
'Geisacanthus bullatus is recombined as Cosmacanthus bullatus'
'Geisacanthus stellatus belongs to Geisacanthus' according to Saint John and Worthen 1875
'Geisacanthus stellatus is recombined as Cosmacanthus stellatus'
'Geolabis belongs to Leptictidae'
'Geolabis rhynchaeus belongs to Geolabis'
'Geomyidae belongs to Myomorpha'
'Geomys belongs to Geomyidae'
'Geomys bisulcatus belongs to Geomys'
'Geosaurus mitchilli is recombined as Macrosaurus mitchillii'
'Gephyura belongs to Poeciliidae'
'Gephyura concentrica belongs to Gephyura' according to Cope 1891
'Gephyura concentrica belongs to Gephyura'
'Gerrhonotidae is a subjective synonym of Anguidae'
'Gigadipus caudatus is recombined as Gigandipus caudatus'
'Gigantitherium is a subjective synonym of Gigandipus'
'Gigantitherium minor belongs to Gigantitherium' according to E. Hitchcock 1858
'Gigantitherium minor is recombined as Gigandipus minor'
'Gillicus belongs to Saurocephalinae'
'Ginglymodi was reranked as a suborder and belongs to Holostei'
'Ginglymostoma belongs to Ginglymostominae'
'Ginglymostomatidae was reranked as the subfamily Ginglymostominae and belongs to Scylliorhinidae'
'Glaucionetta belongs to Anatidae'
'Glires belongs to Monodelphia'
'Glossochelys is a subjective synonym of Lytoloma'
'Glymmatacanthus belongs to Ichthyodorulites'
'Glymmatacanthus irishii belongs to Glymmatacanthus'
'Glymmatacanthus petrodoides belongs to Glymmatacanthus'
'Glymmatacanthus rudis belongs to Glymmatacanthus'
'Glyptaspis belongs to Macropetalichthyidae'
'Glyptaspis verrucosa belongs to Glyptaspis' according to Newberry 1889
'Glyptaspis verrucosa belongs to Glyptaspis'
'Glyptodon belongs to Glyptodontidae'
'Glyptodon asper is a subjective synonym of Glyptodon reticulatus'
'Glyptodon clavipes belongs to Glyptodon'
'Glyptodon petaliferus belongs to Glyptodon'
'Glyptodon reticulatus belongs to Glyptodon'
'Glyptodontidae belongs to Xenarthra'
'Glyptolepis quebecensis belongs to Glyptolepis' according to Whiteaves 1889
'Glyptolepis quebecensis is recombined as Holoptychius quebecensis'
'Glyptopomus belongs to Osteolepidae'
'Glyptopomus minus is corrected as Glyptopomus minor and belongs to Glyptopomus'
'Glyptopomus sayrei belongs to Glyptopomus'
'Glyptops is a subjective synonym of Compsemys'
'Glyptops ornatus is a subjective synonym of Compsemys plicatulus'
'Glyptosauridae is a subjective synonym of Anguidae'
'Glyptosaurus belongs to Anguidae'
'Glyptosaurus anceps belongs to Glyptosaurus'
'Glyptosaurus brevidens belongs to Glyptosaurus'
'Glyptosaurus nodosus belongs to Glyptosaurus'
'Glyptosaurus ocellatus belongs to Glyptosaurus'
'Glyptosaurus princeps belongs to Glyptosaurus'
'Glyptosaurus rugosus belongs to Glyptosaurus'
'Glyptosaurus sylvestris belongs to Glyptosaurus'
'Gnathorhiza belongs to Ctenodontidae'
'Gnathorhiza serrata belongs to Gnathorhiza'
'Gomphotherium is a subjective synonym of Protomeryx'
'Gomphotherium cameloides is recombined as Protomeryx cameloides'
'Gomphotherium serus is recombined as Protomeryx serus'
'Gonatodus belongs to Palaeoniscidae'
'Goniacodon belongs to Triisodontidae'
'Goniodus hertzeri is recombined as Xenodus hertzeri'
'Goniopholididae is corrected as Goniopholidae and belongs to Eusuchia'
'Goniopholis belongs to Goniopholidae'
'Goniopholis crassidens belongs to Goniopholis'
'Goniopoda is a subjective synonym of Theropoda'
'Gonorhynchidae belongs to Isospondyli'
'Gorgonichthys is a subjective synonym of Dinichthys'
'Gorgonichthys clarki belongs to Gorgonichthys' according to Claypole 1892
'Gorgonichthys clarki is recombined as Dinichthys clarki'
'Graculavus belongs to Phalacrocoracidae'
'Graculavus agilis is recombined as Ichthyornis agilis'
'Graculavus anceps is recombined as Ichthyornis anceps'
'Graculavus lentus is recombined as Ichthyornis lentus'
'Graculavus pumilus [misspelled as Graculavus pumilis] belongs to Graculavus'
'Graculavus velox belongs to Graculavus'
'Graculus idahensis is recombined as Phalacrocorax idahensis'
'Graculus macropus is recombined as Phalacrocorax macropus'
'Grallae belongs to Euornithes'
'Grallator cuneatus belongs to Grallator'
'Grallator cursorius belongs to Grallator'
'Grallator formosus belongs to Grallator'
'Grallator tenuis belongs to Grallator'
'Graphiodon belongs to Squalodontidae'
'Graphiodon vinearis is corrected as Graphiodon vinearius and belongs to Graphiodon'
'Gravigrada is a subjective synonym of Xenarthra'
'Gruidae belongs to Gruioidea'
'Gruioidea belongs to Grallae'
'Grus belongs to Gruidae'
'Grus haydeni belongs to Grus'
'Grus proavus belongs to Grus'
'Gryphodobatis belongs to Rajidae'
'Gryphodobatis uncus belongs to Gryphodobatis'
'Grypodon belongs to Balistidae'
'Gulo belongs to Mustelinae'
'Gymnodontes was reranked as a suborder and belongs to Plectognathi'
'Gymnoptychus is a subjective synonym of Ischyromys'
'Gymnoptychus chrysodon is a subjective synonym of Ischyromys typus'
'Gymnoptychus minutus is recombined as Adjidaumo minutus'
'Gymnoptychus nasutus is a subjective synonym of Adjidaumo minutus'
'Gymnoptychus trilophus is recombined as Adjidaumo trilophus'
'Gyracanthus belongs to Ichthyodorulites'
'Gyracanthus alleni belongs to Gyracanthus' according to Newberry 1873
'Gyracanthus alleni belongs to Gyracanthus'
'Gyracanthus compressus belongs to Gyracanthus' according to Newberry 1873
'Gyracanthus compressus belongs to Gyracanthus'
'Gyracanthus cordatus belongs to Gyracanthus' according to Saint John and Worthen 1883
'Gyracanthus cordatus belongs to Gyracanthus'
'Gyracanthus duplicatus belongs to Gyracanthus' according to Dawson 1868
'Gyracanthus duplicatus belongs to Gyracanthus'
'Gyracanthus formosus belongs to Gyracanthus'
'Gyracanthus incurvatus belongs to Gyracanthus' according to Traquair 1890
'Gyracanthus incurvatus belongs to Gyracanthus'
'Gyracanthus inornatus belongs to Gyracanthus' according to Newberry 1889
'Gyracanthus inornatus belongs to Gyracanthus'
'Gyracanthus magnificus belongs to Gyracanthus' according to Dawson 1868
'Gyracanthus magnificus belongs to Gyracanthus'
'Gyracanthus sherwoodi belongs to Gyracanthus' according to Newberry 1889
'Gyracanthus sherwoodi belongs to Gyracanthus'
'Hadrianus belongs to Testudinidae'
'Hadrianus allabiatus belongs to Hadrianus'
'Hadrianus octonarius belongs to Hadrianus'
'Hadrianus quadratus is a subjective synonym of Hadrianus corsoni'
'Hadrianus schucherti belongs to Hadrianus'
'Hadrodus belongs to Pycnodontidae'
'Hadrodus priscus belongs to Hadrodus'
'Hadrohyus belongs to Merycoidodontinae'
'Hadrohyus supremus belongs to Hadrohyus'
'Hadrosauridae is a subjective synonym of Trachodontidae'
'Hadrosaurus is a subjective synonym of Trachodon'
'Hadrosaurus agilis is recombined as Thespesius agilis'
'Hadrosaurus breviceps is recombined as Trachodon breviceps'
'Hadrosaurus cavatus is recombined as Trachodon cavatus'
'Hadrosaurus foulkii is recombined as Trachodon foulkii'
'Hadrosaurus minor is recombined as Trachodon minor'
'Hadrosaurus paucidens is recombined as Ceratops paucidens'
'Hadrosaurus tripos is recombined as Trachodon tripos'
'Halecomorphi was reranked as a suborder and belongs to Holostei'
'Halisaurus is replaced by Baptosaurus'
'Halisaurus fraternus is recombined as Baptosaurus fraternus'
'Halitheriidae belongs to Sirenia'
'Hallopidae belongs to Theropoda'
'Hallopus belongs to Hallopidae'
'Halodon is a subjective synonym of Meniscoessus'
'Halodon formosus is recombined as Cimolomys formosus'
'Halodon sculptus is recombined as Meniscoessus sculptus'
'Halodon serratus is recombined as Cimolomys serratus'
'Haplacodon is a subjective synonym of Megacerops'
'Haploconus belongs to Anisonchinae'
'Haploconus corniculatus belongs to Haploconus'
'Haploconus entoconus is recombined as Conacodon entoconus'
'Haploconus gillianus is recombined as Anisonchus gillianus'
'Haploconus lineatus belongs to Haploconus'
'Haploconus xiphodon is a subjective synonym of Haploconus lineatus'
'Haplolepis belongs to Palaeoniscidae'
'Haplomi was reranked as a suborder and belongs to Mesichthyes'
'Harlanus is a subjective synonym of Bison'
'Harpacanthus belongs to Ichthyodorulites'
'Harpacodus belongs to Petalodontidae'
'Harpacodus compactus belongs to Harpacodus'
'Harpacodus occidentalis belongs to Harpacodus'
'Harpalodon belongs to Uintacyonidae'
'Harpalodon sylvestris belongs to Harpalodon'
'Harpalodon vulpinus belongs to Harpalodon'
'Harpedactylus concameratus is recombined as Platypterna concamerata'
'Harpedactylus crassus belongs to Harpedactylus'
'Harpedactylus gracilior belongs to Harpedactylus'
'Harpedactylus rectus is recombined as Platypterna recta'
'Hedronchus belongs to Chimaeridae'
'Hedronchus sternbergii is corrected as Hedronchus sternbergi and belongs to Hedronchus'
'Helagras belongs to Crotalidae'
'Helagras prisciformis belongs to Helagras'
'Helaletes belongs to Lophiodontidae'
'Helaletes boops belongs to Helaletes'
'Helaletes latidens is recombined as Isectolophus latidens'
'Helaletidae is a subjective synonym of Lophiodontidae'
'Helcura anguinea belongs to Helcura'
'Helcura littoralis belongs to Helcura'
'Helcura surgens belongs to Helcura'
'Heliobatis is a subjective synonym of Dasyatis'
'Heliobatis radians is recombined as Dasyatis radians'
'Heliscomys belongs to Microtinae'
'Heliscomys vetus belongs to Heliscomys'
'Helodectes belongs to Pariotichidae'
'Helodectes isaaci belongs to Helodectes'
'Helodectes paridens belongs to Helodectes'
'Helodus belongs to Cochliodontidae'
'Helodus angulatus belongs to Helodus' according to Newberry and Worthen 1866
'Helodus angulatus belongs to Helodus'
'Helodus biformis belongs to Helodus' according to Newberry and Worthen 1866
'Helodus biformis belongs to Helodus'
'Helodus carbonarius belongs to Helodus' according to Newberry and Worthen 1866
'Helodus carbonarius belongs to Helodus'
'Helodus compressus belongs to Helodus' according to Newberry and Worthen 1866
'Helodus compressus is recombined as Hybocladodus compressus'
'Helodus coniculus belongs to Helodus' according to Newberry and Worthen 1866
'Helodus coniculus belongs to Helodus'
'Helodus consolidatus belongs to Helodus'
'Helodus consolidatus belongs to Helodus' according to Newberry and Worthen 1866
'Helodus crenulatus belongs to Helodus' according to Newberry and Worthen 1866
'Helodus crenulatus belongs to Helodus'
'Helodus denshumani belongs to Helodus' according to Newberry and Worthen 1866
'Helodus denshumani belongs to Helodus'
'Helodus denticulatus belongs to Helodus' according to Newberry and Worthen 1866
'Helodus denticulatus belongs to Helodus'
'Helodus elytra belongs to Helodus' according to Newberry and Worthen 1866
'Helodus elytra belongs to Helodus'
'Helodus gibbosus belongs to Helodus' according to Newberry and Worthen 1866
'Helodus gibbosus is recombined as Orodus gibbosus'
'Helodus gibbus belongs to Helodus' according to Leidy 1857
'Helodus gibbus belongs to Helodus'
'Helodus laevis belongs to Helodus' according to Newberry 1879
'Helodus laevis belongs to Helodus'
'Helodus lesleyi is recombined as Palaedaphus lesleyi'
'Helodus limax belongs to Helodus' according to Newberry and Worthen 1866
'Helodus limax belongs to Helodus'
'Helodus placenta belongs to Helodus' according to Newberry and Worthen 1866
'Helodus placenta is recombined as Psephodus placenta'
'Helodus politus belongs to Helodus' according to Newberry and Worthen 1866
'Helodus politus belongs to Helodus'
'Helodus rugosus belongs to Helodus'
'Helodus simplex belongs to Helodus'
'Helodus sulcatus belongs to Helodus' according to Newberry and Worthen 1866
'Helodus sulcatus belongs to Helodus'
'Helodus undulatus belongs to Helodus' according to Newberry and Worthen 1866
'Helodus undulatus belongs to Helodus'
'Helodus wortheni belongs to Helodus'
'Helohippus belongs to Hyracotheriinae'
'Helohyidae belongs to Pantolestoidea'
'Helohyus belongs to Helohyidae'
'Helohyus plicodon belongs to Helohyus'
'Helotherium is a subjective synonym of Orohippus'
'Helotherium procyoninum is recombined as Orohippus procyoninus'
'Hemiacodon belongs to Limnotheriidae'
'Hemiacodon gracilis belongs to Hemiacodon'
'Hemiacodon nanus is recombined as Antiacodon nanus'
'Hemiacodon pucillus belongs to Hemiacodon'
'Hemibranchii belongs to Phthinobranchii'
'Hemicaulodon belongs to Halitheriidae'
'Hemicaulodon effodiens belongs to Hemicaulodon'
'Hemiganus is a subjective synonym of Psittacotherium'
'Hemiganus otariidens is recombined as Wortmania otariidens'
'Hemiganus vultuosus is a subjective synonym of Psittacotherium multifragum'
'Hemipristis belongs to Carcharhininae'
'Hemipristis heteropleurus belongs to Hemipristis'
'Hemipristis paucidens is a subjective synonym of Hemipristis serra'
'Hemipristis serra belongs to Hemipristis'
'Hemipsalodon belongs to Hyaenodontinae'
'Hemipsalodon grandis belongs to Hemipsalodon'
'Hemiptychodus belongs to Ptychodontidae'
'Hemithlaeus belongs to Anisonchinae'
'Hemithlaeus kowalevskianus belongs to Hemithlaeus'
'Hemitrypus belongs to Urodela'
'Hemitrypus jordanianus belongs to Hemitrypus'
'Heptacodon armatus is recombined as Elomeryx armatus'
'Heptacodon curtus is recombined as Anthracotherium curtum'
'Heptacodon gibbiceps is recombined as Anthracotherium gibbiceps'
'Heptodon belongs to Lophiodontidae'
'Heptranchias belongs to Hexanchidae'
'Herodiones was reranked as the order Herodii and belongs to Euornithes'
'Herpetotherium is a subjective synonym of Didelphis'
'Herpetotherium fuzax is recombined as Didelphis fugax'
'Herpetotherium huntii is recombined as Didelphis huntii'
'Herpetotherium marginale is recombined as Didelphis marginalis'
'Herpetotherium scalare is recombined as Didelphis scalaris'
'Herpetotherium stevensonii is a subjective synonym of Didelphis fugax'
'Herpetotherium tricuspis is recombined as Didelphis tricuspis'
'Hesperomyidae is a subjective synonym of Muridae'
'Hesperomys is a subjective synonym of Peromyscus'
'Hesperomys loxodon is recombined as Peromyscus loxodon'
'Hesperomys nematodon is recombined as Peromyscus nematodon'
'Hesperornidae is corrected as Hesperornithidae and belongs to Dromaeopappi'
'Hesperornis belongs to Hesperornithidae'
'Hesperornis gracilis belongs to Hesperornis'
'Hesperornis regalis belongs to Hesperornis'
'Heteracanthus is replaced by Gamphacanthus'
'Heteracanthus politus is recombined as Gamphacanthus politus'
'Heteracanthus uddeni belongs to Heteracanthus' according to Lindahl 1897
'Heteracanthus uddeni is recombined as Gamphacanthus uddeni'
'Heterodontidae belongs to Heterodontoidea'
'Heterodontoidea belongs to Squali'
'Heterodontosuchus belongs to Gavialidae'
'Heterodontosuchus ganei belongs to Heterodontosuchus'
'Heterostraci was reranked as a order and belongs to Aspidoganoidei'
'Hexanchidae belongs to Hexanchoidea'
'Hexanchoidea belongs to Squali'
'Hexodon is a subjective synonym of Conoryctes'
'Hexodon molestus is a subjective synonym of Conoryctes comma'
'Hipparion belongs to Equinae'
'Hipparion affine belongs to Hipparion'
'Hipparion gratum belongs to Hipparion'
'Hipparion occidentale belongs to Hipparion'
'Hipparion venustum belongs to Hipparion'
'Hippidion belongs to Equinae'
'Hippidium interpolatum is recombined as Hippidion interpolatum'
'Hippidium spectans is recombined as Hippidion spectans'
'Hippodon speciosus is recombined as Hipparion speciosum'
'Hippopotamus terrestris is recombined as Tapirus terrestris'
'Hipposyus belongs to Limnotheriidae'
'Hipposyus formosus belongs to Hipposyus'
'Hippotherium is a subjective synonym of Hipparion'
'Hippotherium calamarium is recombined as Hipparion calamarium'
'Hippotherium ingenuum is a subjective synonym of Hipparion gratum'
'Hippotherium isonesum is recombined as Hipparion isonesum'
'Hippotherium montezumae is recombined as Hipparion montezumae'
'Hippotherium paniense is recombined as Hipparion paniense'
'Hippotherium peninsulatum is recombined as Hipparion peninsulatum'
'Hippotherium plicatile is recombined as Hipparion plicatile'
'Hippotherium princeps is a subjective synonym of Equus complicatus'
'Hippotherium rectidens is recombined as Hipparion rectidens'
'Hippotherium relictum is recombined as Hipparion relictum'
'Hippotherium retrusum is recombined as Hipparion retrusum'
'Hippotherium sinclairi is recombined as Hipparion sinclairii'
'Hippotherium sphenodus is recombined as Hipparion sphenodus'
'Histiophorus homalorhamphus is recombined as Istiophorus homalorhamphus'
'Histiophorus parvulus is recombined as Istiophorus parvulus'
'Holacanthodes is a subjective synonym of Acanthoessus'
'Holaspis is replaced by Palaeaspis'
'Holcodus belongs to Platecarpinae'
'Holcodus acutidens belongs to Holcodus'
'Holcodus coryphaeus is recombined as Lestosaurus coryphaeus'
'Holcodus tectulus is recombined as Lestosaurus tectulus'
'Holocephali was reranked as the subclass Holocephala and belongs to Elasmobranchii'
'Holomeniscus is a subjective synonym of Camelops'
'Holomeniscus macrocephalus is recombined as Camelops macrocephalus'
'Holomeniscus sulcatus is a subjective synonym of Camelops kansanus'
'Holonema belongs to Phyllolepidae'
'Holonema horrida is corrected as Holonema horridum and belongs to Holonema'
'Holops belongs to Gavialidae'
'Holops cordatus belongs to Holops'
'Holops pneumaticus belongs to Holops'
'Holoptychiidae belongs to Rhipidistia'
'Holoptychius belongs to Holoptychiidae'
'Holoptychius americanus belongs to Holoptychius'
'Holoptychius filosus belongs to Holoptychius'
'Holoptychius flabellatus belongs to Holoptychius' according to Cope 1898
'Holoptychius flabellatus belongs to Holoptychius'
'Holoptychius giganteus belongs to Holoptychius'
'Holoptychius granulatus belongs to Holoptychius' according to Newberry 1889
'Holoptychius granulatus belongs to Holoptychius'
'Holoptychius granulatus belongs to Holoptychius' according to Salter 1861
'Holoptychius granulatus is recombined as Rhizodopsis granulatus'
'Holoptychius halli is corrected as Holoptychius hallii and belongs to Holoptychius'
'Holoptychius latus belongs to Holoptychius'
'Holoptychius nobilissimus belongs to Holoptychius'
'Holoptychius pustulosus belongs to Holoptychius' according to Newberry 1889
'Holoptychius pustulosus belongs to Holoptychius'
'Holoptychius radiatus belongs to Holoptychius' according to Newberry 1889
'Holoptychius radiatus belongs to Holoptychius'
'Holoptychius sauroides is recombined as Strepsodus sauroides'
'Holoptychius serrulatus belongs to Holoptychius'
'Holoptychius tuberculatus belongs to Holoptychius' according to Newberry 1889
'Holoptychius tuberculatus belongs to Holoptychius'
'Holosaurus belongs to Platecarpinae'
'Holosaurus abruptus belongs to Holosaurus'
'Holostei was reranked as a order and belongs to Actinopteri'
'Homacanthus belongs to Ichthyodorulites'
'Homacanthus arcuatus belongs to Homacanthus'
'Homacanthus gibbosus belongs to Homacanthus' according to Newberry and Worthen 1866
'Homacanthus gibbosus is recombined as Amacanthus gibbosus'
'Homacanthus gracilis belongs to Homacanthus' according to Whiteaves 1889
'Homacanthus gracilis belongs to Homacanthus'
'Homacanthus rectus belongs to Homacanthus' according to Newberry and Worthen 1866
'Homacanthus rectus is recombined as Marracanthus rectus'
'Homacodon belongs to Homacodontidae'
'Homacodon priscus belongs to Homacodon'
'Homacodon pucillus belongs to Homacodon'
'Homacodon vagans belongs to Homacodon'
'Homacodontidae belongs to Pantolestoidea'
'Homocamelus is a subjective synonym of Procamelus'
'Homocamelus caninus is a subjective synonym of Procamelus occidentalis'
'Homogalax belongs to Tapiridae'
'Homorophus belongs to Adocidae'
'Homorophus insuetus belongs to Homorophus'
'Hoplichnus equus belongs to Hoplichnus'
'Hoplichnus quadrupedans belongs to Hoplichnus'
'Hoplocetus belongs to Physeteridae'
'Hoplocetus crassidens belongs to Hoplocetus'
'Hoplocetus obesus belongs to Hoplocetus'
'Hoplonchus belongs to Ichthyodorulites'
'Hoplonchus elegans belongs to Hoplonchus' according to Davis 1876
'Hoplonchus elegans belongs to Hoplonchus'
'Hoplophoneus belongs to Machairodontinae'
'Hoplophoneus insolens belongs to Hoplophoneus'
'Hoplophoneus platycopis is recombined as Deinictis platycopis'
'Hoplophoneus robustus belongs to Hoplophoneus'
'Hoplophorus euphractus is recombined as Glyptodon euphractus'
'Hyaenidae belongs to Cynoidea'
'Hyaenocyon belongs to Simocyoninae'
'Hyaenocyon sectorius belongs to Hyaenocyon'
'Hyaenodon belongs to Hyaenodontinae'
'Hyaenodon crucians belongs to Hyaenodon'
'Hyaenodon cruentus belongs to Hyaenodon'
'Hyaenodon horridus belongs to Hyaenodon'
'Hyaenodon leptocephalus belongs to Hyaenodon'
'Hyaenodon leptorhynchus belongs to Hyaenodon'
'Hyaenodon mustelinus belongs to Hyaenodon'
'Hyaenodon paucidens belongs to Hyaenodon'
'Hyaenodontidae belongs to Creodonta'
'Hyaenodontinae belongs to Hyaenodontidae'
'Hybemys belongs to Emydidae'
'Hybemys arenarius belongs to Hybemys'
'Hybocladodus belongs to Cladodontidae'
'Hybocladodus intermedius belongs to Hybocladodus' according to Saint John and Worthen 1875
'Hybocladodus intermedius belongs to Hybocladodus'
'Hybocladodus nitidus belongs to Hybocladodus' according to Saint John and Worthen 1875
'Hybocladodus nitidus belongs to Hybocladodus'
'Hybocladodus plicatilis belongs to Hybocladodus' according to Saint John and Worthen 1875
'Hybocladodus plicatilis belongs to Hybocladodus'
'Hybocladodus tenuicostatus belongs to Hybocladodus'
'Hybocladodus tenuicostatus belongs to Hybocladodus' according to Saint John and Worthen 1875
'Hybodontidae is a subjective synonym of Heterodontidae'
'Hybodus belongs to Heterodontidae'
'Hybodus clarkensis belongs to Hybodus' according to Cragin 1894
'Hybodus clarkensis belongs to Hybodus'
'Hybodus copei belongs to Hybodus'
'Hybodus plicatilis belongs to Hybodus'
'Hybodus polyprion belongs to Hybodus'
'Hydrochelidon belongs to Laridae'
'Hydrochoerus belongs to Caviidae'
'Hydrochoerus robustus belongs to Hydrochoerus'
'Hydrodamalidae belongs to Sirenia'
'Hydrodamalis belongs to Hydrodamalidae'
'Hylerpeton belongs to Hylonomidae'
'Hylerpeton curtidentatum is recombined as Fritschia curtidentata'
'Hylerpeton dawsoni is corrected as Hylerpeton dawsonii and belongs to Hylerpeton'
'Hylerpeton intermedium belongs to Hylerpeton'
'Hylerpeton longidentatum belongs to Hylerpeton' according to Dawson 1876
'Hylerpeton longidentatum belongs to Hylerpeton'
'Hylonomidae belongs to Microsauria'
'Hylonomus belongs to Hylonomidae'
'Hylonomus aciedentatus is recombined as Smilerpeton aciedentatum'
'Hylonomus latidens belongs to Hylonomus' according to Dawson 1882
'Hylonomus latidens belongs to Hylonomus'
'Hylonomus lyelli belongs to Hylonomus'
'Hylonomus multidens belongs to Hylonomus'
'Hylonomus wymani belongs to Hylonomus'
'Hyloplesion is a subjective synonym of Hylonomus'
'Hylopus caudifer belongs to Hylopus'
'Hylopus hardingi belongs to Hylopus' according to Dawson 1895
'Hylopus hardingi belongs to Hylopus'
'Hylopus logani belongs to Hylopus' according to Dawson 1894
'Hylopus logani belongs to Hylopus'
'Hylopus minor belongs to Hylopus' according to Dawson 1895
'Hylopus minor belongs to Hylopus'
'Hylopus trifidus belongs to Hylopus'
'Hyomeryx belongs to Protoreodontinae'
'Hyomeryx breviceps belongs to Hyomeryx'
'Hyopotamus is a subjective synonym of Ancodon'
'Hyopotamus americanus is recombined as Ancodon americanus'
'Hyopotamus brachyrhynchus is recombined as Ancodon brachyrhynchus'
'Hyopotamus deflectus is a subjective synonym of Ancodon americanus'
'Hyopotamus guyotianus is recombined as Agriochoerus guyotianus'
'Hyops is a subjective synonym of Platygonus'
'Hyops depressifrons is a subjective synonym of Platygonus compressus'
'Hyopsodus belongs to Limnotheriidae'
'Hyopsodus acolytus is recombined as Mioclaenus acolytus'
'Hyopsodus gracilis belongs to Hyopsodus'
'Hyopsodus lemoinianus belongs to Hyopsodus'
'Hyopsodus minusculus belongs to Hyopsodus'
'Hyopsodus paulus belongs to Hyopsodus'
'Hyopsodus powellianus belongs to Hyopsodus'
'Hyopsodus speirianus is recombined as Microsyops speirianus'
'Hyotheriinae belongs to Suidae'
'Hyotherium belongs to Hyotheriinae'
'Hyotherium americanum belongs to Hyotherium'
'Hyotherium platyops belongs to Hyotherium' according to Cope 1881
'Hyotherium platyops belongs to Hyotherium'
'Hyotherium soemmeringi [misspelled as Hyotherium soemereringii] belongs to Hyotherium'
'Hypamia elegans is recombined as Amia elegans'
'Hypertragulus belongs to Leptotragulinae'
'Hypertragulus hesperius belongs to Hypertragulus'
'Hypertragulus transversus belongs to Hypertragulus'
'Hypertragulus tricostatus is a subjective synonym of Hypertragulus calcaratus'
'Hyphasma belongs to Microsauria'
'Hyphasma laevis belongs to Hyphasma' according to Cope 1875
'Hyphasma laevis belongs to Hyphasma'
'Hyphepus fieldi belongs to Hyphepus'
'Hypisodus belongs to Leptomerycinae'
'Hypisodus ringens is a subjective synonym of Hypisodus minimus'
'Hypocetus belongs to Physeterinae'
'Hypopnous belongs to Pariotichidae'
'Hypopnous squaliceps belongs to Hypopnous'
'Hyporhina [misspelled as Hypsorhina] belongs to Amphisbaenidae'
'Hyporhina antiqua [misspelled as Hypsorhina antiqua] belongs to Hypsorhina'
'Hyposaurus belongs to Goniopholidae'
'Hyposaurus ferox belongs to Hyposaurus'
'Hyposaurus fraterculus is recombined as Gavialis fraterculus'
'Hyposaurus rogersii belongs to Hyposaurus'
'Hyposaurus vebbii is recombined as Goniopholis vebbiianus'
'Hypotemnodon is a subjective synonym of Mesocyon'
'Hypsibema belongs to Stegosauridae'
'Hypsibema crassicauda belongs to Hypsibema'
'Hypsirhophidae is a subjective synonym of Stegosauridae'
'Hypsirhophus seeleyanus is recombined as Stegosaurus seeleyanus'
'Hypsirophus is a subjective synonym of Stegosaurus'
'Hypsirophus discurus is recombined as Stegosaurus discurus'
'Hyrachyidae was reranked as the subfamily Hyrachyinae and belongs to Hyracodontidae'
'Hyrachyus belongs to Hyrachyinae'
'Hyrachyus agrarius belongs to Hyrachyus'
'Hyrachyus agrestis is a subjective synonym of Hyrachyus agrarius'
'Hyrachyus crassidens is a subjective synonym of Hyrachyus implicatus'
'Hyrachyus eximius belongs to Hyrachyus'
'Hyrachyus imperialis belongs to Hyrachyus'
'Hyrachyus implicatus belongs to Hyrachyus'
'Hyrachyus intermedius is a subjective synonym of Hyrachyus implicatus'
'Hyrachyus obliquidens is recombined as Triplopus obliquidens'
'Hyrachyus paradoxus belongs to Hyrachyus'
'Hyrachyus princeps belongs to Hyrachyus'
'Hyrachyus singularis is recombined as Heptodon singularis'
'Hyracodon belongs to Hyracodontinae'
'Hyracodon arcidens belongs to Hyracodon'
'Hyracodon major belongs to Hyracodon'
'Hyracodon planiceps belongs to Hyracodon'
'Hyracodon quadriplicatus is recombined as Anchisodon quadriplicatus'
'Hyracodontidae belongs to Rhinocerotoidea'
'Hyracodontinae belongs to Hyracodontidae'
'Hyracops belongs to Meniscotheriidae'
'Hyracops socialis belongs to Hyracops'
'Hyracotheriinae belongs to Equidae'
'Hyracotherium craspedotum is recombined as Eohippus craspedotus'
'Hyracotherium cristatum is recombined as Eohippus cristatus'
'Hyracotherium montanum is recombined as Pliolophus montanus'
'Hyracotherium osbornianum is recombined as Orohippus osbornianus'
'Hyracotherium vortmani is recombined as Phenacodus vortmani'
'Hystricidae belongs to Hystricomorpha'
'Hystricomorpha was reranked as a superfamily and belongs to Simplicidentata'
'Hystrix (Hystricops) venustus is recombined as Erethizon venustus'
'Hystrix dorsata is recombined as Erethizon dorsatus'
'Icanodus belongs to Cochliodontidae'
'Ichthycanthus belongs to Eryopidae'
'Ichthycanthus ohiensis belongs to Ichthycanthus' according to Cope 1877
'Ichthycanthus ohiensis belongs to Ichthycanthus'
'Ichthycanthus platypus is recombined as Eryops platypus'
'Ichthyodectes belongs to Ichthyodectinae'
'Ichthyodectes acanthicus belongs to Ichthyodectes'
'Ichthyodectes anaides belongs to Ichthyodectes'
'Ichthyodectes cruentus belongs to Ichthyodectes' according to Hay 1898
'Ichthyodectes cruentus belongs to Ichthyodectes'
'Ichthyodectes ctenodon belongs to Ichthyodectes'
'Ichthyodectes goodeanus belongs to Ichthyodectes'
'Ichthyodectes hamatus belongs to Ichthyodectes' according to Cope 1877
'Ichthyodectes hamatus belongs to Ichthyodectes'
'Ichthyodectes multidentatus belongs to Ichthyodectes' according to Cope 1872
'Ichthyodectes multidentatus belongs to Ichthyodectes'
'Ichthyodectes parvus belongs to Ichthyodectes' according to Stewart 1900
'Ichthyodectes parvus belongs to Ichthyodectes'
'Ichthyodectes perniciosus is recombined as Protosphyraena perniciosa'
'Ichthyodectidae was reranked as the subfamily Ichthyodectinae and belongs to Chirocentridae'
'Ichthyodorulithes is corrected as Ichthyodorulites and belongs to Elasmobranchii'
'Ichthyopterygia is a subjective synonym of Ichthyosauria'
'Ichthyornidae is corrected as Ichthyornithidae and belongs to Pteropappi'
'Ichthyornis belongs to Ichthyornithidae'
'Ichthyornis celer is recombined as Apatornis celer'
'Ichthyornis dispar belongs to Ichthyornis'
'Ichthyornis tener belongs to Ichthyornis'
'Ichthyornis validus belongs to Ichthyornis'
'Ichthyornis victor belongs to Ichthyornis'
'Ichthyosauria belongs to Reptilia'
'Ichthyosauridae is a subjective synonym of Proteosauridae'
'Ichthyosaurus is a subjective synonym of Proteosaurus'
'Ichthyosaurus missouriensis is recombined as Mosasaurus missouriensis'
'Ichthyosaurus platyodon is recombined as Proteosaurus platyodon'
'Ichthyotringa belongs to Dercetidae'
'Ichthyotringa tenuirostris belongs to Ichthyotringa'
'Ichtyotomi was reranked as the superorder Ichthyotomi and belongs to Plagiostomata'
'Icteridae belongs to Passeres'
'Ictiocyon crassivultus is recombined as Oligobunis crassivultus'
'Ictops belongs to Leptictidae'
'Ictops bullatus belongs to Ictops'
'Ictops dakotensis belongs to Ictops'
'Ictops didelphoides belongs to Ictops'
'Ictopsidae is a subjective synonym of Leptictidae'
'Iguanavus belongs to Iguanidae'
'Iguanavus exilis belongs to Iguanavus'
'Iguanidae belongs to Sauria'
'Iguanodontidae belongs to Iguanodontoidea'
'Iguanodontoidea belongs to Orthopoda'
'Indrodon belongs to Limnotheriidae'
'Indrodon malaris belongs to Indrodon'
'Insectivora belongs to Monodelphia'
'Isacis is replaced by Mesodectes'
'Isacis caniculus is recombined as Mesodectes caniculus'
'Ischyodus is a subjective synonym of Edaphodon'
'Ischyodus divaricatus is recombined as Edaphodon divaricatus'
'Ischyodus eocaenus is recombined as Edaphodon eocaenus'
'Ischyodus fecundus belongs to Ischyodus' according to Cope 1875
'Ischyodus fecundus is recombined as Edaphodon fecundus'
'Ischyodus gaskillii belongs to Ischyodus' according to Cope 1875
'Ischyodus gaskillii is recombined as Edaphodon gaskillii'
'Ischyodus incrassatus belongs to Ischyodus' according to Cope 1875
'Ischyodus incrassatus is recombined as Edaphodon incrassatus'
'Ischyodus laterigerus belongs to Ischyodus' according to Cope 1869
'Ischyodus laterigerus is recombined as Edaphodon laterigerus'
'Ischyodus longirostris belongs to Ischyodus' according to Cope 1875
'Ischyodus longirostris is recombined as Edaphodon longirostris'
'Ischyodus monolophus is recombined as Edaphodon monolophus'
'Ischyodus smockii is recombined as Edaphodon smockii'
'Ischyodus solidulus is recombined as Edaphodon solidulus'
'Ischyodus stenobryus belongs to Ischyodus' according to Cope 1875
'Ischyodus stenobryus is recombined as Edaphodon stenobryus'
'Ischyodus tripartitus is recombined as Edaphodon tripartitus'
'Ischyodus tripartitus belongs to Ischyodus' according to Cope 1875
'Ischypterus is a subjective synonym of Semionotus'
'Ischypterus alatus is recombined as Semionotus alatus'
'Ischypterus alatus belongs to Ischypterus' according to Newberry 1886
'Ischypterus braunii belongs to Ischypterus' according to Newberry 1888
'Ischypterus braunii is recombined as Semionotus braunii'
'Ischypterus elegans belongs to Ischypterus' according to Newberry 1888
'Ischypterus elegans is recombined as Semionotus elegans'
'Ischypterus gigas is recombined as Semionotus gigas'
'Ischypterus gigas belongs to Ischypterus' according to Newberry 1888
'Ischypterus lenticularis belongs to Ischypterus' according to Newberry 1888
'Ischypterus lenticularis is recombined as Semionotus lenticularis'
'Ischypterus lineatus belongs to Ischypterus' according to Newberry 1888
'Ischypterus lineatus is recombined as Semionotus lineatus'
'Ischypterus macropterus belongs to Ischypterus' according to Newberry 1888
'Ischypterus macropterus is a subjective synonym of Semionotus fultus'
'Ischypterus marshii belongs to Ischypterus' according to Newberry 1888
'Ischypterus marshii is recombined as Semionotus marshii'
'Ischypterus micropterus belongs to Ischypterus' according to Newberry 1888
'Ischypterus micropterus is recombined as Semionotus micropterus'
'Ischypterus minutus belongs to Ischypterus' according to Newberry 1888
'Ischypterus minutus is recombined as Semionotus minutus'
'Ischypterus modestus belongs to Ischypterus' according to Newberry 1888
'Ischypterus modestus is recombined as Semionotus modestus'
'Ischypterus parvus belongs to Ischypterus' according to Redfield 1888
'Ischypterus parvus is recombined as Semionotus parvus'
'Ischypterus robustus is recombined as Semionotus robustus'
'Ischypterus robustus belongs to Ischypterus' according to Newberry 1888
'Ischyrhiza belongs to Luciidae'
'Ischyrhiza antiqua belongs to Ischyrhiza'
'Ischyrhiza mira belongs to Ischyrhiza'
'Ischyrhiza radiata belongs to Ischyrhiza'
'Ischyromyidae belongs to Sciuromorpha'
'Ischyromys belongs to Ischyromyidae'
'Ischyromys typus belongs to Ischyromys'
'Ischyrosaurus is a subjective synonym of Ischyrotherium'
'Ischyrotherium belongs to Champsosauridae'
'Isectolophus belongs to Tapiridae'
'Isectolophus annectens belongs to Isectolophus'
'Isocampe strata belongs to Isocampe'
'Isodectes belongs to Pariotichidae'
'Isopholidae belongs to Halecomorphi'
'Isopholis belongs to Isopholidae'
'Isospondyli belongs to Actinopteri'
'Isotaenia belongs to Chimaeridae'
'Isotaenia neocaesariensis belongs to Isotaenia'
'Istiophoridae was reranked as the subfamily Istiophorinae and belongs to Xiphiidae'
'Istiophorus belongs to Istiophorinae'
'Histiophorus is a misspelling of Istiophorus'
'Isurus belongs to Lamninae'
'Isurus oxyrinchus [misspelled as Isurus oxyrhynchus] belongs to Isurus'
'Ithygrammodon belongs to Leptotragulinae'
'Ithygrammodon cameloides belongs to Ithygrammodon'
'Ixacanthus belongs to Platanistidae'
'Ixacanthus coelospondylus belongs to Ixacanthus'
'Janassa belongs to Petalodontidae'
'Janassa ordiana belongs to Janassa' according to Cope 1881
'Janassa ordiana belongs to Janassa'
'Janassa strigilina belongs to Janassa' according to Cope 1881
'Janassa strigilina belongs to Janassa'
'Keraterpeton belongs to Ptyoniidae'
'Keraterpeton galvani belongs to Keraterpeton'
'Labidosaurus belongs to Pareiasauridae'
'Labroidei is corrected as Labridae and belongs to Pharyngognathi'
'Labrosauridae is a subjective synonym of Megalosauridae'
'Labrosaurus is a subjective synonym of Antrodemus'
'Labrosaurus ferox is a subjective synonym of Antrodemus valens'
'Labrosaurus sulcatus is recombined as Antrodemus sulcatus'
'Labyrinthodontia is a subjective synonym of Apoecospondyli'
'Lacertilia is a subjective synonym of Sauria'
'Laelaps is replaced by Dryptosaurus'
'Laelaps aquilunguis is recombined as Dryptosaurus aquilunguis'
'Laelaps cristatus is recombined as Dryptosaurus cristatus'
'Laelaps explanatus is recombined as Dryptosaurus explanatus'
'Laelaps falculus is recombined as Dryptosaurus falculus'
'Laelaps hazenianus is recombined as Dryptosaurus hazenianus'
'Laelaps incrassatus is recombined as Dryptosaurus incrassatus'
'Laelaps laevifrons is recombined as Dryptosaurus laevifrons'
'Laelaps macropus is recombined as Dryptosaurus macropus'
'Laelaps trihedrodon is recombined as Dryptosaurus trihedrodon'
'Lagomorpha was reranked as a superfamily and belongs to Duplicidentata'
'Lagomyidae is a subjective synonym of Ochotonidae'
'Lagunculapes latus belongs to Lagunculapes'
'Lambdodus belongs to Cladodontidae'
'Lambdodus calceolus belongs to Lambdodus' according to Saint John and Worthen 1875
'Lambdodus calceolus belongs to Lambdodus'
'Lambdodus costatus belongs to Lambdodus' according to Saint John and Worthen 1875
'Lambdodus costatus belongs to Lambdodus'
'Lambdodus hamulus belongs to Lambdodus' according to Saint John and Worthen 1875
'Lambdodus hamulus belongs to Lambdodus'
'Lambdodus reflexus belongs to Lambdodus' according to Saint John and Worthen 1875
'Lambdodus reflexus belongs to Lambdodus'
'Lambdodus transversus belongs to Lambdodus' according to Saint John and Worthen 1875
'Lambdodus transversus belongs to Lambdodus'
'Lambdotheriidae was reranked as the subfamily Lambdotheriinae and belongs to Brontotheriidae'
'Lambdotherium belongs to Lambdotheriinae'
'Lambdotherium brownianum is a subjective synonym of Telmatherium boreale'
'Lambdotherium popoagicum belongs to Lambdotherium'
'Lamna belongs to Lamninae'
'Lamna (Odontaspis) contortidens is recombined as Carcharias contortidens'
'Lamna (Odontaspis) duplex is recombined as Carcharias duplex'
'Lamna (Odontaspis) gracilis is recombined as Lamna gracilis'
'Lamna (Odontaspis) rhaphiodon is recombined as Lamna rhaphiodon'
'Lamna (Odontaspis) subulata is recombined as Lamna subulata'
'Lamna (Odontaspis) verticalis is recombined as Carcharias verticalis'
'Lamna (Sphenodus) longidens is recombined as Sphenodus longidens'
'Lamna appendiculata is recombined as Otodus appendiculatus'
'Lamna clavata belongs to Lamna'
'Lamna crassidens belongs to Lamna'
'Lamna cuspidata belongs to Lamna'
'Lamna denticulata is a subjective synonym of Lamna cuspidata'
'Lamna elegans belongs to Lamna'
'Lamna macrorhiza belongs to Lamna'
'Lamna manitobensis belongs to Lamna' according to Whiteaves 1889
'Lamna manitobensis belongs to Lamna'
'Lamna mantellii is recombined as Isurus mantellii'
'Lamna mudgei belongs to Lamna'
'Lamna ornata belongs to Lamna'
'Lamna quinquelateralis belongs to Lamna' according to Cragin 1894
'Lamna quinquelateralis belongs to Lamna'
'Lamna texana belongs to Lamna'
'Lamnidae belongs to Galeoidea'
'Lamninae belongs to Lamnidae'
'Laodon belongs to Dryolestidae'
'Laodon venustus belongs to Laodon'
'Laopithecus is a subjective synonym of Menotherium'
'Laopithecus robustus is recombined as Menotherium robustum'
'Laopteryx belongs to Archaeopterygidae'
'Laopteryx priscus belongs to Laopteryx'
'Laornis belongs to Anatidae'
'Laornis edvardsianus belongs to Laornis'
'Laosauridae is a subjective synonym of Camptosauridae'
'Laosaurus belongs to Camptosauridae'
'Laosaurus altus is recombined as Dryosaurus altus'
'Laosaurus celer belongs to Laosaurus'
'Laosaurus consors belongs to Laosaurus'
'Laosaurus gracilis belongs to Laosaurus'
'Laridae belongs to Laroidea'
'Laroidea belongs to Cecomorphae'
'Larus belongs to Laridae'
'Larus argentatus belongs to Larus'
'Larus californicus belongs to Larus'
'Larus canus belongs to Larus'
'Larus oregonus belongs to Larus'
'Larus robustus belongs to Larus'
'Larus sabini is recombined as Xema sabinii'
'Lecracanthus belongs to Ichthyodorulites'
'Lecracanthus unguiculus belongs to Lecracanthus'
'Lecracanthus unguiculus belongs to Lecracanthus' according to Saint John and Worthen 1875
'Leiodon is a subjective synonym of Tylosaurus'
'Leiodon laticaudus is recombined as Tylosaurus laticaudus'
'Leiodus belongs to Orodontidae'
'Leiodus calcaratus belongs to Leiodus' according to Saint John and Worthen 1875
'Leiodus calcaratus belongs to Leiodus'
'Leiodus grossipunctatus belongs to Leiodus' according to Saint John and Worthen 1875
'Leiodus grossipunctatus belongs to Leiodus'
'Lembonax belongs to Cheloniidae'
'Lembonax insularis belongs to Lembonax'
'Lembonax polemicus belongs to Lembonax'
'Lembonax propylaeus [misspelled as Lembonax prophylaeus] belongs to Lembonax'
'Lemuravus belongs to Limnotheriidae'
'Lemuravus distans belongs to Lemuravus'
'Lemuroidea is a subjective synonym of Prosimiae'
'Lepidosternum floridana is recombined as Rhineura floridana'
'Lepidosteus notabilis is recombined as Lepisosteus notabilis'
'Lepidosteus simplex is recombined as Lepisosteus simplex'
'Lepidotes belongs to Lepidotidae'
'Lepidotidae belongs to Ginglymodi'
'Lepidotus haydeni is a subjective synonym of Lepisosteus occidentalis'
'Lepidotus occidentalis is recombined as Lepisosteus occidentalis'
'Lepidosteidae is a misspelling of Lepisosteidae'
'Lepisosteidae belongs to Ginglymodi'
'Lepisosteus belongs to Lepisosteidae'
'Lepisosteus glaber belongs to Lepisosteus' according to Marsh 1871
'Lepisosteus glaber belongs to Lepisosteus'
'Lepisosteus whitneyi belongs to Lepisosteus' according to Marsh 1871
'Lepisosteus whitneyi belongs to Lepisosteus'
'Leporidae belongs to Lagomorpha'
'Lepospondyli is a subjective synonym of Microsauria'
'Leptaceratherium belongs to Diceratheriinae'
'Leptarctus belongs to Cercoleptinae'
'Leptarctus primus belongs to Leptarctus'
'Leptauchenia belongs to Merycoidodontinae'
'Leptauchenia calcarata is recombined as Hypertragulus calcaratus'
'Leptauchenia decora belongs to Leptauchenia'
'Leptauchenia major belongs to Leptauchenia'
'Leptauchenia minima is recombined as Hypisodus minimus'
'Leptauchenia nitida belongs to Leptauchenia'
'Leptecodon belongs to Dercetidae'
'Leptecodon rectus belongs to Leptecodon'
'Leptichthys belongs to Salmonidae'
'Leptichthys agilis belongs to Leptichthys' according to Stewart 1899
'Leptichthys agilis belongs to Leptichthys'
'Leptictidae belongs to Insectivora'
'Leptictis belongs to Leptictidae'
'Leptictis haydeni belongs to Leptictis'
'Leptochoerus belongs to Hyotheriinae'
'Leptochoerus gracilis belongs to Leptochoerus'
'Leptochoerus spectabilis belongs to Leptochoerus'
'Leptomerycidae was reranked as the subfamily Leptomerycinae and belongs to Agriochoeridae'
'Leptomeryx belongs to Leptomerycinae'
'Leptomeryx esulcatus belongs to Leptomeryx'
'Leptomeryx evansi belongs to Leptomeryx'
'Leptomeryx mammifer belongs to Leptomeryx'
'Leptomeryx semicinctus belongs to Leptomeryx'
'Leptomylus belongs to Chimaeridae'
'Leptomylus densus belongs to Leptomylus'
'Leptomylus forfex belongs to Leptomylus'
'Leptonyx lateralis belongs to Leptonyx'
'Leptophractus belongs to Dendrerpetontidae'
'Leptophractus lineolatus belongs to Leptophractus'
'Leptophractus obsoletus belongs to Leptophractus'
'Leptoreodon belongs to Leptomerycinae'
'Leptoreodon marshi belongs to Leptoreodon'
'Leptostyrax belongs to Lamninae'
'Leptostyrax bicuspidatus belongs to Leptostyrax'
'Leptotrachelus belongs to Dercetidae'
'Leptotrachelus armatus belongs to Leptotrachelus'
'Leptotrachelus longipinnis belongs to Leptotrachelus'
'Leptotragulinae belongs to Camelidae'
'Leptotragulus belongs to Leptotragulinae'
'Leptotragulus proavus belongs to Leptotragulus'
'Lepus belongs to Leporidae'
'Lepus ennisianus belongs to Lepus'
'Lepus sylvaticus belongs to Lepus'
'Lepus timidus belongs to Lepus'
'Lestophis belongs to Boidae'
'Lestornis is a subjective synonym of Hesperornis'
'Lestornis crassipes is recombined as Hesperornis crassipes'
'Lestosaurus belongs to Platecarpinae'
'Lestosaurus felix belongs to Lestosaurus'
'Lestosaurus gracilis belongs to Lestosaurus'
'Lestosaurus latifrons belongs to Lestosaurus'
'Lestosaurus simus belongs to Lestosaurus'
'Leuciscus belongs to Cyprininae'
'Leuciscus turneri belongs to Leuciscus'
'Leurocephalus is a subjective synonym of Telmatherium'
'Leurocephalus cultridens is recombined as Telmatherium cultridens'
'Limicolae is a subjective synonym of Grallae'
'Limnocyon is a subjective synonym of Stypolophus'
'Limnocyon agilis is recombined as Stypolophus agilis'
'Limnocyon protenus is recombined as Viverravus protenus'
'Limnocyon riparius is recombined as Telmatocyon riparius'
'Limnocyon verus is recombined as Stypolophus verus'
'Limnofelis is a subjective synonym of Patriofelis'
'Limnofelis ferox is recombined as Patriofelis ferox'
'Limnofelis latidens is recombined as Patriofelis latidens'
'Limnohyops belongs to Lambdotheriinae'
'Limnohyus is a subjective synonym of Palaeosyops'
'Limnohyus is a subjective synonym of Limnohyops'
'Limnohyus laevidens is recombined as Palaeosyops laevidens'
'Limnohyus laticeps is recombined as Limnohyops laticeps'
'Limnohyus robustus is a subjective synonym of Palaeosyops paludosus'
'Limnophis is replaced by Lestophis'
'Limnophis crassus is recombined as Lestophis crassus'
'Limnopus vagus belongs to Limnopus' according to Marsh 1894
'Limnopus vagus belongs to Limnopus'
'Limnosaurus belongs to Crocodylidae'
'Limnotheriidae belongs to Prosimiae'
'Limnotherium belongs to Limnotheriidae'
'Limnotherium affine is recombined as Tomitherium affine'
'Limnotherium elegans is recombined as Microsyops elegans'
'Limnotherium tyrannus belongs to Limnotherium'
'Liodon congrops is recombined as Tylosaurus congrops'
'Liodon crassartus is recombined as Lestosaurus crassartus'
'Liodon curtirostris is recombined as Lestosaurus curtirostris'
'Liodon dyspelor is recombined as Tylosaurus dyspelor'
'Liodon glandiferus is recombined as Lestosaurus glandiferus'
'Liodon ictericus is recombined as Lestosaurus ictericus'
'Liodon latispinus is recombined as Lestosaurus latispinus'
'Liodon mudgei is recombined as Lestosaurus mudgei'
'Liodon nepaeolicus is recombined as Tylosaurus nepaeolicus'
'Liodon perlatus belongs to Liodon' according to Cope 1869
'Liodon perlatus is recombined as Tylosaurus perlatus'
'Liodon sectorius is recombined as Tylosaurus sectorius'
'Liognathus belongs to Coccosteinae'
'Liognathus spatulus belongs to Liognathus' according to Newberry 1873
'Liognathus spatulus belongs to Liognathus'
'Lipodectes is a subjective synonym of Deltatherium'
'Lipodectes pelvidens is recombined as Chriacus pelvidens'
'Lipodectes penetrans is a subjective synonym of Deltatherium fundaminis'
'Lisgodus belongs to Petalodontidae'
'Lisgodus affinis belongs to Lisgodus' according to Newberry 1879
'Lisgodus affinis belongs to Lisgodus'
'Lisgodus curtus belongs to Lisgodus' according to Saint John and Worthen 1875
'Lisgodus curtus belongs to Lisgodus'
'Lisgodus selluliformis belongs to Lisgodus'
'Lisgodus selluliformis belongs to Lisgodus' according to Saint John and Worthen 1875
'Lisgodus serratus belongs to Lisgodus' according to Saint John and Worthen 1875
'Lisgodus serratus belongs to Lisgodus'
'Lispognathus is a subjective synonym of Liognathus'
'Listracanthus belongs to Ichthyodorulites'
'Listracanthus hildrethi belongs to Listracanthus'
'Listracanthus hystrix belongs to Listracanthus'
'Lithophis belongs to Boidae'
'Lithophis sargenti belongs to Lithophis'
'Lobodon belongs to Phocidae'
'Lophiodon belongs to Lophiodontidae'
'Lophiodon (Coryphodon) was reranked as Coryphodon and belongs to Coryphodontidae'
'Lophiodon affinis is recombined as Hyrachyus affinis'
'Hyrachyus bairdianus is a subjective synonym of Hyrachyus agrarius'
'Lophiodon calciculus is recombined as Heptodon calciculus'
'Lophiodon modestus is recombined as Hyrachyus modestus'
'Lophiodon nanus is recombined as Helaletes nanus'
'Lophiodon occidentalis is recombined as Colodon occidentalis'
'Lophiodon pumilus is recombined as Helohippus pumilus'
'Lophiodon validus is recombined as Tapiravus validus'
'Lophiodon ventorum is recombined as Heptodon ventorum'
'Lophiodontidae belongs to Tapiroidea'
'Lophiodontoidea is a subjective synonym of Tapiroidea'
'Lophiotherium ballardi is recombined as Orohippus ballardi'
'Lophiotherium pygmaeum is recombined as Sarcolemur pygmaeus'
'Lophiotherium sylvaticum is recombined as Orohippus sylvaticus'
'Lophiotherium vasacciense is recombined as Eohippus vasacciensis'
'Lophocetus belongs to Platanistinae'
'Lophodus variabilis is recombined as Campodus variabilis'
'Lophodytes belongs to Anatidae'
'Loricata belongs to Reptilia'
'Loxolophodon is a subjective synonym of Coryphodon'
'Loxolophodon furcatus is recombined as Eobasileus furcatus'
'Loxolophodon pressicornis is recombined as Eobasileus pressicornis'
'Loxolophodon speirianum is recombined as Tinoceras speirianum'
'Loxolophus belongs to Oxyclaenidae'
'Loxolophus adapinus is a subjective synonym of Loxolophus hyattianus'
'Luciidae belongs to Haplomi'
'Lutra belongs to Lutrinae'
'Lutra piscinaria belongs to Lutra'
'Lutra rhoadsii belongs to Lutra'
'Lutrictis belongs to Lutrinae'
'Lutrictis lycopotamicus belongs to Lutrictis'
'Lutrinae belongs to Mustelidae'
'Lysorophus belongs to Clepsydropidae'
'Lysorophus tricarinatus belongs to Lysorophus'
'Lytoloma belongs to Thalassemydidae'
'Lytoloma angusta belongs to Lytoloma'
'Lytoloma jeanesii belongs to Lytoloma'
'Macelognathidae belongs to Iguanodontoidea'
'Macelognathus belongs to Macelognathidae'
'Macelognathus vagans belongs to Macelognathus'
'Machaeracanthus belongs to Ichthyodorulites'
'Machaeracanthus major belongs to Machaeracanthus' according to Newberry 1857
'Machaeracanthus major belongs to Machaeracanthus'
'Machaeracanthus peracutus belongs to Machaeracanthus' according to Newberry 1857
'Machaeracanthus peracutus belongs to Machaeracanthus'
'Machaeracanthus sulcatus belongs to Machaeracanthus'
'Machaerodus brachyops is recombined as Deinictis brachyops'
'Machaerodus cerebralis is recombined as Hoplophoneus cerebralis'
'Machaerodus crassidens belongs to Machaerodus' according to Cragin 1892
'Machaerodus crassidens is recombined as Hoplophoneus crassidens'
'Machaerodus floridanus is recombined as Smilodon floridanus'
'Machaerodus oreodontis is recombined as Hoplophoneus oreodontis'
'Machaerodus strigidens is recombined as Hoplophoneus strigidens'
'Machairodontinae belongs to Felidae'
'Machairodus belongs to Machairodontinae'
'Machairodus bidentatus is recombined as Eusmilus bidentatus'
'Machairodus catocopis is recombined as Hoplophoneus catocopis'
'Machairodus occidentalis is recombined as Hoplophoneus occidentalis'
'Machairodus primaevus is recombined as Hoplophoneus primaevus'
'Macrepistius belongs to Macrosemiidae'
'Macrepistius arenatus belongs to Macrepistius' according to Cope 1894
'Macrepistius arenatus belongs to Macrepistius'
'Macropetalichthyidae belongs to Arthrodira'
'Macropetalichthys belongs to Macropetalichthyidae'
'Macropetalichthys rhapheidolabis belongs to Macropetalichthys' according to Norwood and Owen 1846
'Macropetalichthys rhapheidolabis belongs to Macropetalichthys'
'Macrophoca is a subjective synonym of Squalodon'
'Macrophoca atlantica is recombined as Squalodon atlanticus'
'Macropterna is a subjective synonym of Palamopus'
'Macropterna divaricans is recombined as Palamopus divaricans'
'Macropterna gracilipes is recombined as Palamopus gracilipes'
'Macropterna rhynchosauroidea is a subjective synonym of Palamopus rogersianus'
'Macropterna vulgaris is a subjective synonym of Palamopus rogersianus'
'Macrosaurus belongs to Tylosaurinae'
'Macrosaurus laevis belongs to Macrosaurus'
'Macrosaurus platyspondylus is recombined as Baptosaurus platyspondylus'
'Macrosaurus proriger is recombined as Tylosaurus proriger'
'Macrosemiidae belongs to Halecomorphi'
'Macrosemius belongs to Macrosemiidae'
'Mallotus belongs to Salmonidae'
'Mammalia belongs to Vertebrata'
'Mammut belongs to Elephantidae'
'Trilophodon ohioticus is a subjective synonym of Mammut americanum'
'Manati gigas is recombined as Hydrodamalis gigas'
'Manatidae is a subjective synonym of Trichechidae'
'Manatus is a subjective synonym of Trichechus'
'Manatus americanus is a subjective synonym of Trichechus manatus'
'Manatus antiquus is recombined as Ischyrotherium antiquus'
'Manatus inornatus is recombined as Trichechus inornatus'
'Manatus latirostris is a subjective synonym of Trichechus manatus'
'Manospondylus belongs to Ceratopsidae'
'Manospondylus gigas belongs to Manospondylus'
'Manta belongs to Mantidae'
'Manteoceras belongs to Lambdotheriinae'
'Manteodon subquadratus is recombined as Coryphodon subquadratus'
'Mantides is corrected as Mantidae and belongs to Masticura'
'Marracanthus belongs to Ichthyodorulites'
'Marsupialia was reranked as a order and belongs to Didelphia'
'Martes nambianus is recombined as Putorius nambianus'
'Masticura was reranked as a superfamily and belongs to Rajae'
'Mastodon is a subjective synonym of Mammut'
'Mastodon angustidens is a subjective synonym of Mammut obscurum'
'Mastodon brevidens is recombined as Mammut brevidens'
'Mastodon chapmani is recombined as Mammut chapmani'
'Mastodon euhyphodon is recombined as Mammut euhypodon'
'Mastodon floridanum belongs to Mastodon' according to Leidy 1886
'Mastodon floridanum is recombined as Mammut floridanum'
'Mastodon giganteum is a subjective synonym of Mammut americanum'
'Mastodon humboldtii is recombined as Mammut humboldii'
'Mastodon mirificum belongs to Mastodon' according to Leidy 1858
'Mastodon mirificum is recombined as Mammut mirificum'
'Mastodon obscurum is recombined as Mammut obscurum'
'Mastodon proavus is recombined as Mammut proavus'
'Mastodon productus is recombined as Mammut productum'
'Mastodon rugosidens is recombined as Mammut rugosidens'
'Mastodon serridens is recombined as Mammut serridens'
'Mastodon shepardii is recombined as Mammut shepardi'
'Mastodon successor is a subjective synonym of Mammut tropicum'
'Mastodon tapiroides is a subjective synonym of Mammut americanum'
'Mastodonsauridae belongs to Apoecospondyli'
'Mastodonsaurus belongs to Mastodonsauridae'
'Mastodonsaurus durus is recombined as Eupelor durus'
'Mazodus belongs to Psammodontidae'
'Mazodus kepleri belongs to Mazodus' according to Newberry 1889
'Mazodus kepleri belongs to Mazodus'
'Mecolepis is a subjective synonym of Haplolepis'
'Mecolepis corrugatus belongs to Mecolepis' according to Newberry 1856
'Mecolepis corrugatus is recombined as Haplolepis corrugata'
'Mecolepis granulatus belongs to Mecolepis' according to Newberry 1856
'Mecolepis granulatus is recombined as Haplolepis granulata'
'Mecolepis lineatus belongs to Mecolepis' according to Newberry 1856
'Mecolepis lineatus is recombined as Rhadinichthys lineatus'
'Mecolepis ornatissimus belongs to Mecolepis' according to Newberry 1856
'Mecolepis ornatissimus is recombined as Haplolepis ornatissima'
'Mecolepis ovoideus belongs to Mecolepis' according to Newberry 1856
'Mecolepis ovoideus is recombined as Haplolepis ovoidea'
'Mecolepis serratus belongs to Mecolepis' according to Newberry 1856
'Mecolepis serratus is recombined as Haplolepis serrata'
'Mecolepis tuberculatus belongs to Mecolepis' according to Newberry 1856
'Mecolepis tuberculatus is recombined as Haplolepis tuberculata'
'Megaceratops acer is recombined as Symborodon acer'
'Megaceratops helocerus is recombined as Titanotherium heloceras'
'Megacerops belongs to Brontotheriinae'
'Megacerops coloradensis belongs to Megacerops'
'Megadactylus is replaced by Anchisaurus'
'Megadactylus polyzelus is recombined as Anchisaurus polyzelus'
'Megalichthyidae belongs to Rhipidistia'
'Megalichthys belongs to Megalichthyidae'
'Megalichthys hibberti belongs to Megalichthys'
'Megalichthys macropomus is recombined as Parabatrachus macropomus'
'Megalichthys maxillaris is recombined as Parabatrachus maxillaris'
'Megalneusaurus belongs to Plesiosauridae'
'Megalomeryx is a subjective synonym of Camelops'
'Megalomeryx niobrarensis is a subjective synonym of Camelops kansanus'
'Megalonychidae is a subjective synonym of Megatheriidae'
'Megalonyx belongs to Megatheriidae'
'Megalonyx dissimilis belongs to Megalonyx'
'Megalonyx harlani is recombined as Mylodon harlani'
'Megalonyx laqueatus is a subjective synonym of Megalonyx jeffersonii'
'Megalonyx leidyi belongs to Megalonyx'
'Megalonyx leptostomus belongs to Megalonyx'
'Megalonyx loxodon belongs to Megalonyx'
'Megalonyx scalper belongs to Megalonyx'
'Megalonyx sphenodon is a subjective synonym of Megalonyx wheatleyi'
'Megalonyx tortulus belongs to Megalonyx'
'Megalonyx validus belongs to Megalonyx'
'Megalonyx wheatleyi belongs to Megalonyx'
'Megalosauri is corrected as Megalosauridae and belongs to Theropoda'
'Megalosauria is a subjective synonym of Theropoda'
'Megalosaurus belongs to Megalosauridae'
'Megalosaurus bucklandii [misspelled as Megalosaurus bucklandi] belongs to Megalosaurus'
'Megapleuron is a subjective synonym of Sagenodus'
'Megaptera belongs to Balaenidae'
'Megaptera expansa is recombined as Siphonocetus expansus'
'Megatheriadae is corrected as Megatheriidae and belongs to Xenarthra'
'Megatherium belongs to Megatheriidae'
'Megatherium americanum belongs to Megatherium'
'Megatherium jeffersonii is recombined as Megalonyx jeffersonii'
'Megatherium mirabile belongs to Megatherium'
'Megencephalon belongs to Lutrinae'
'Megencephalon primaevus belongs to Megencephalon'
'Megistosaurus is a subjective synonym of Physeter'
'Meleagris belongs to Phasianidae'
'Meleagris celer belongs to Meleagris'
'Meleagris gallopavo belongs to Meleagris'
'Meleagris superbus belongs to Meleagris'
'Melinae belongs to Mustelidae'
'Menacodon belongs to Spalacotheriinae'
'Menacodon rarus belongs to Menacodon'
'Meniscoessus belongs to Plagiaulacinae'
'Meniscoessus conquistus belongs to Meniscoessus'
'Meniscomys is a subjective synonym of Allomys'
'Meniscomys cavatus is recombined as Allomys cavatus'
'Meniscomys hippodus is recombined as Allomys hippodus'
'Meniscomys liolophus is recombined as Allomys liolophus'
'Meniscomys multiplicatus is recombined as Allomys multiplicatus'
'Meniscotheriidae belongs to Condylarthra'
'Meniscotherium belongs to Meniscotheriidae'
'Meniscotherium chamense belongs to Meniscotherium'
'Meniscotherium tapiacitis belongs to Meniscotherium'
'Meniscotherium terraerubrae belongs to Meniscotherium'
'Menodontidae is a subjective synonym of Brontotheriidae'
'Menodus angustigenis is recombined as Megacerops angustigenis'
'Menodus dolichoceras is recombined as Brontotherium dolichoceras'
'Menodus peltoceras is a subjective synonym of Brontotherium curtum'
'Menodus platyceras is recombined as Brontotherium platyceras'
'Menodus selwynianus is recombined as Brontotherium selwynianum'
'Titanotherium syceras is a subjective synonym of Megacerops angustigenis'
'Menodus tichoceras is recombined as Brontotherium tichoceras'
'Menops is a subjective synonym of Titanotherium'
'Menotherium belongs to Limnotheriidae'
'Menotherium lemurinum belongs to Menotherium'
'Mephitis belongs to Melinae'
'Mephitis fossidens belongs to Mephitis'
'Mephitis frontata belongs to Mephitis'
'Mephitis interrupta is recombined as Spilogale interrupta'
'Mephitis leptops belongs to Mephitis'
'Mephitis obtusata belongs to Mephitis'
'Mephitis orthrostica belongs to Mephitis' according to Cope 1896
'Mephitis orthrostica belongs to Mephitis'
'Mergus cucullatus is recombined as Lophodytes cucullatus'
'Merychippus belongs to Equinae'
'Merychippus insignis belongs to Merychippus'
'Merychippus mirabilis belongs to Merychippus'
'Merychyus belongs to Merycoidodontinae'
'Merychyus arenarum belongs to Merychyus'
'Merychyus elegans belongs to Merychyus'
'Merychyus major belongs to Merychyus'
'Merychyus medius belongs to Merychyus'
'Merychyus pariogonus belongs to Merychyus'
'Merycochoerus belongs to Merycoidodontinae'
'Merycochoerus chelydra belongs to Merycochoerus'
'Merycochoerus coenopus belongs to Merycochoerus'
'Merycochoerus laticeps belongs to Merycochoerus'
'Merycochoerus leidyi belongs to Merycochoerus'
'Merycochoerus macrostegus belongs to Merycochoerus'
'Merycochoerus montanus belongs to Merycochoerus'
'Merycochoerus obliquidens belongs to Merycochoerus'
'Merycochoerus proprius belongs to Merycochoerus'
'Merycochoerus rusticus belongs to Merycochoerus'
'Merycodesmus is a subjective synonym of Leptoreodon'
'Merycodesmus gracilis is recombined as Leptoreodon gracilis'
'Merycodus belongs to Cervulinae'
'Merycodus gemmifer is recombined as Blastomeryx gemmifer'
'Merycodus necatus belongs to Merycodus'
'Merycoidodon belongs to Merycoidodontinae'
'Merycoidodon culbertsonii belongs to Merycoidodon'
'Merycoidodon minor belongs to Merycoidodon' according to Cope 1888
'Merycoidodon minor belongs to Merycoidodon'
'Merycoidodontinae belongs to Agriochoeridae'
'Merycopater is a subjective synonym of Agriochoerus'
'Mesacanthus is a subjective synonym of Acanthoessus'
'Mesacodon belongs to Limnotheriidae'
'Mesacodon speciosus belongs to Mesacodon'
'Mesaxonia is a subjective synonym of Perissodactyla'
'Mesichthyes belongs to Actinopteri'
'Mesobatis belongs to Myliobatidae'
'Mesocetus belongs to Balaenidae'
'Mesocetus is replaced by Diaphorocetus'
'Mesocetus longirostris belongs to Mesocetus'
'Mesocetus poucheti is recombined as Hypocetus poucheti'
'Mesocetus siphunculus belongs to Mesocetus'
'Mesocyon belongs to Caninae'
'Mesodectes belongs to Leptictidae'
'Mesodmodus belongs to Orodontidae'
'Mesodmodus explanatus belongs to Mesodmodus' according to Saint John and Worthen 1875
'Mesodmodus explanatus belongs to Mesodmodus'
'Mesodmodus exsculptus belongs to Mesodmodus' according to Saint John and Worthen 1875
'Mesodmodus exsculptus belongs to Mesodmodus'
'Mesodmodus ornatus belongs to Mesodmodus' according to Saint John and Worthen 1875
'Mesodmodus ornatus belongs to Mesodmodus'
'Mesodon is replaced by Typodus'
'Mesodon abrasus is recombined as Typodus abrasus'
'Mesodon diastemicus is recombined as Typodus diastemicus'
'Mesogaulus belongs to Mylagaulidae'
'Mesogaulus ballensis belongs to Mesogaulus'
'Mesohippus copei is recombined as Miohippus copei'
'Mesohippus intermedius is recombined as Miohippus intermedius'
'Mesohippus longipes is recombined as Colodon longipes'
'Mesonychidae belongs to Creodonta'
'Mesonyx belongs to Mesonychidae'
'Mesonyx dakotensis belongs to Mesonyx'
'Mesonyx navajovius is recombined as Dissacus navajovius'
'Mesonyx obtusidens belongs to Mesonyx'
'Mesonyx uintensis belongs to Mesonyx'
'Mesoplodon belongs to Ziphiinae'
'Mesoreodon belongs to Merycoidodontinae'
'Mesoreodon chelonyx belongs to Mesoreodon'
'Mesoreodon intermedius belongs to Mesoreodon'
'Mesoteras belongs to Balaenidae'
'Mesoteras kerrianus belongs to Mesoteras'
'Metalophodon is a subjective synonym of Coryphodon'
'Metalophodon armatus is recombined as Coryphodon armatus'
'Metalophodon testis is recombined as Coryphodon testis'
'Metamosaurus belongs to Bolosauridae'
'Metamosaurus fossatus belongs to Metamosaurus'
'Metamosaurus fossatus belongs to Metamosaurus' according to Cope 1878
'Metamynodon belongs to Amynodontidae'
'Metamynodon planifrons belongs to Metamynodon'
'Metopocetus belongs to Balaenidae'
'Metopocetus durinasus belongs to Metopocetus'
'Miacidae is a subjective synonym of Uintacyonidae'
'Miacis bathygnathus is recombined as Uintacyon bathygnathus'
'Miacis brevirostris is recombined as Uintacyon brevirostris'
'Miacis canavus is recombined as Uintacyon canavus'
'Miacis parvivorus is recombined as Vulpavus parvivorus'
'Miacis uintensis is recombined as Prodaphaenus uintensis'
'Microclaenodon belongs to Triisodontidae'
'Microconodon belongs to Dromatheriidae'
'Microconodon tenuirostris belongs to Microconodon'
'Microdon dumbelii is recombined as Typodus dumblei'
'Microdus belongs to Carcharhininae'
'Microdus laevis belongs to Microdus' according to Emmons 1857
'Microdus laevis belongs to Microdus'
'Microsauria was reranked as a suborder and belongs to Stegocephali'
'Microsus belongs to Limnotheriidae'
'Microsus cuspidatus belongs to Microsus'
'Microsyops belongs to Limnotheriidae'
'Microsyops gracilis belongs to Microsyops'
'Microsyops scottianus belongs to Microsyops'
'Microsyops uintensis belongs to Microsyops'
'Microsyops vicarius is recombined as Hyopsodus vicarius'
'Microtinae belongs to Muridae'
'Microtus belongs to Microtinae'
'Microtus diluvianus belongs to Microtus'
'Microtus involutus belongs to Microtus'
'Miobasileus is a subjective synonym of Brontotherium'
'Miobasileus ophryas is recombined as Brontotherium ophryas'
'Mioclaenidae belongs to Condylarthra'
'Mioclaenus belongs to Mioclaenidae'
'Mioclaenus angustus is recombined as Haploconus angustus'
'Mioclaenus baldwini is a subjective synonym of Protoselene opisthaca'
'Mioclaenus bathygnathus is a subjective synonym of Triisodon heilprinianus'
'Mioclaenus brachystomus is recombined as Trigonolestes brachystomus'
'Mioclaenus bucculentus is a subjective synonym of Tricentes subtrigonus'
'Mioclaenus corrugatus is recombined as Claenodon corrugatus'
'Mioclaenus cuspidatus is recombined as Oxyclaenus cuspidatus'
'Mioclaenus etsagicus is recombined as Trigonolestes etsagicus'
'Mioclaenus ferox is recombined as Claenodon ferox'
'Mioclaenus filholianus is recombined as Carcinodon filholianus'
'Tetraclaenodon floverianus is a subjective synonym of Tetraclaenodon puercensis'
'Mioclaenus gaudrianus is recombined as Triisodon gaudrianus'
'Mioclaenus lemuroides belongs to Mioclaenus'
'Mioclaenus lydekkerianus belongs to Mioclaenus'
'Mioclaenus mandibularis is a subjective synonym of Anisonchus sectorius'
'Mioclaenus minimus is a subjective synonym of Mioclaenus acolytus'
'Mioclaenus opisthacus is recombined as Protoselene opisthaca'
'Mioclaenus pentacus is recombined as Protogonodon pentacus'
'Mioclaenus protogonioides is recombined as Claenodon protogonioides'
'Mioclaenus sectorius is recombined as Anisonchus sectorius'
'Mioclaenus subtrigonus is recombined as Tricentes subtrigonus'
'Mioclaenus turgidunculus belongs to Mioclaenus'
'Mioclaenus turgidus belongs to Mioclaenus'
'Mioclaenus zittelianus is a subjective synonym of Mioclaenus turgidus'
'Miohippus belongs to Hyracotheriinae'
'Miohippus annectens belongs to Miohippus'
'Miolabinae belongs to Camelidae'
'Miolabis belongs to Miolabinae'
'Mioplosus belongs to Percidae'
'Mioplosus abbreviatus belongs to Mioplosus'
'Mioplosus beani belongs to Mioplosus'
'Mioplosus labracoides belongs to Mioplosus'
'Mioplosus longus belongs to Mioplosus'
'Mioplosus multidentatus belongs to Mioplosus' according to Cope 1891
'Mioplosus multidentatus belongs to Mioplosus'
'Mioplosus sauvageanus belongs to Mioplosus' according to Cope 1884
'Mioplosus sauvageanus belongs to Mioplosus'
'Miothen is a subjective synonym of Domnina'
'Miothen crassigenis is recombined as Domnina crassigenis'
'Miothen gracile is a subjective synonym of Didelphis fugax'
'Mixodectes belongs to Mixodectidae'
'Mixodectes crassiusculus belongs to Mixodectes'
'Mixodectes pungens belongs to Mixodectes'
'Mixodectidae belongs to Prosimiae'
'Mobulidae is a subjective synonym of Mantidae'
'Molgophidae belongs to Microsauria'
'Molgophis belongs to Molgophidae'
'Molgophis macrurus belongs to Molgophis'
'Molgophis wheatleyi belongs to Molgophis' according to Cope 1874
'Molgophis wheatleyi belongs to Molgophis'
'Monocladodus belongs to Cladodontidae'
'Monocladodus clarki belongs to Monocladodus' according to Claypole 1893
'Monocladodus clarki belongs to Monocladodus'
'Monocladodus pinnatus belongs to Monocladodus' according to Claypole 1893
'Monocladodus pinnatus belongs to Monocladodus'
'Monoclonius belongs to Ceratopsidae'
'Monoclonius crassus belongs to Monoclonius'
'Monoclonius fissus belongs to Monoclonius'
'Monoclonius recurvicornis belongs to Monoclonius'
'Monoclonius sphenocerus belongs to Monoclonius'
'Monodelphia was reranked as a superorder and belongs to Eutheria'
'Monodon belongs to Delphinapterinae'
'Monodon monoceros belongs to Monodon'
'Moropodidae is a subjective synonym of Chalicotheriidae'
'Moropus belongs to Chalicotheriidae'
'Moropus distans belongs to Moropus'
'Moropus elatus belongs to Moropus'
'Moropus senex belongs to Moropus'
'Morosauridae belongs to Opisthocoelia'
'Morosaurus belongs to Morosauridae'
'Morosaurus agilis belongs to Morosaurus'
'Morosaurus impar belongs to Morosaurus'
'Morosaurus lentus belongs to Morosaurus'
'Morosaurus robustus belongs to Morosaurus'
'Morotherium belongs to Megatheriidae'
'Morotherium gigas belongs to Morotherium'
'Morotherium leptonyx belongs to Morotherium'
'Mosasauria is a subjective synonym of Pythonomorpha'
'Mosasauridae belongs to Pythonomorpha'
'Mosasaurinae belongs to Mosasauridae'
'Mosasaurus belongs to Mosasaurinae'
'Mosasaurus belgicus belongs to Mosasaurus'
'Mosasaurus caroliniensis [misspelled as Mosasaurus carolinensis] belongs to Mosasaurus'
'Mosasaurus copeanus belongs to Mosasaurus'
'Mosasaurus couperi belongs to Mosasaurus'
'Mosasaurus crassidens belongs to Mosasaurus'
'Mosasaurus dekayi belongs to Mosasaurus'
'Mosasaurus depressus belongs to Mosasaurus'
'Mosasaurus fulciatus belongs to Mosasaurus'
'Mosasaurus horridus belongs to Mosasaurus'
'Mosasaurus maximus belongs to Mosasaurus'
'Mosasaurus meirsii [misspelled as Mosasaurus miersii] belongs to Mosasaurus'
'Mosasaurus minor belongs to Mosasaurus'
'Mosasaurus oarthrus belongs to Mosasaurus'
'Mosasaurus princeps belongs to Mosasaurus'
'Mugilidae belongs to Percesoces'
'Multituberculata is a subjective synonym of Allotheria'
'Muridae belongs to Myomorpha'
'Mus arvalis is recombined as Microtus arvalis'
'Mus bursarius is recombined as Geomys bursarius'
'Mus floridanus is recombined as Neotoma floridana'
'Mus monax is recombined as Arctomys monax'
'Mus paca is recombined as Agouti paca'
'Mus pennsylvanicus is recombined as Microtus pennsylvanicus'
'Musculus leucopus is recombined as Peromyscus leucopus'
'Mustela belongs to Mustelinae'
'Mustela diluviana belongs to Mustela'
'Mustela lutra is recombined as Lutra lutra'
'Mustela lutra canadensis is recombined as Lutra canadensis'
'Mustela martes belongs to Mustela'
'Mustela parviloba belongs to Mustela'
'Mustela pennanti is corrected as Mustela pennantii and belongs to Mustela'
'Mustela putorius is recombined as Putorius putorius'
'Mustela zibellina americana is recombined as Mustela americana'
'Mustelidae belongs to Arctoidea'
'Mustelinae belongs to Mustelidae'
'Mylagaulidae belongs to Sciuromorpha'
'Mylagaulus belongs to Mylagaulidae'
'Mylagaulus monodon belongs to Mylagaulus'
'Mylagaulus sesquipedalis belongs to Mylagaulus'
'Myledaphus belongs to Chimaeridae'
'Myledaphus bipartitus belongs to Myledaphus'
'Myliobates bisulcus is recombined as Myliobatis bisulcus'
'Myliobates fastigiatus is recombined as Myliobatis fastigiatus'
'Myliobates holmesii is recombined as Myliobatis holmesii'
'Myliobates jugosus is recombined as Myliobatis jugosus'
'Myliobates rugosus is recombined as Myliobatis rugosus'
'Myliobates transversalis is recombined as Myliobatis transversalis'
'Myliobatidae belongs to Masticura'
'Myliobatis belongs to Myliobatidae'
'Myliobatis copeanus belongs to Myliobatis'
'Myliobatis gigas belongs to Myliobatis'
'Myliobatis glottoides belongs to Myliobatis'
'Myliobatis leidyi belongs to Myliobatis'
'Myliobatis marginata is recombined as Rhinoptera marginata'
'Myliobatis mordax belongs to Myliobatis' according to Leidy 1877
'Myliobatis mordax belongs to Myliobatis'
'Myliobatis pachyodon belongs to Myliobatis'
'Myliobatis rectidens belongs to Myliobatis'
'Myliobatis vicomicanus belongs to Myliobatis'
'Mylocyprinus belongs to Cyprininae'
'Mylocyprinus inflexus belongs to Mylocyprinus' according to Cope 1883
'Mylocyprinus inflexus belongs to Mylocyprinus'
'Mylocyprinus robustus belongs to Mylocyprinus'
'Mylocyprinus robustus belongs to Mylocyprinus' according to Leidy 1870
'Mylodon belongs to Megatheriidae'
'Mylodon renidens belongs to Mylodon'
'Mylodon sodalis belongs to Mylodon'
'Mylodon sulcidens belongs to Mylodon'
'Mylodontidae is a subjective synonym of Megatheriidae'
'Mylognathus belongs to Chimaeridae'
'Mylognathus priscus belongs to Mylognathus'
'Mylohyus is a subjective synonym of Tayassu'
'Mylohyus tetragonus is recombined as Tayassu tetragonus'
'Mylostoma belongs to Mylostomatidae'
'Mylostoma terrelli belongs to Mylostoma' according to Newberry 1883
'Mylostoma terrelli belongs to Mylostoma'
'Mylostoma variabile belongs to Mylostoma' according to Newberry 1883
'Mylostoma variabile belongs to Mylostoma'
'Mylostomatidae belongs to Arthrodira'
'Myomorpha was reranked as a superfamily and belongs to Simplicidentata'
'Mysops belongs to Ischyromyidae'
'Mysops fraternus belongs to Mysops'
'Mysops minimus belongs to Mysops'
'Mystacoceti is a subjective synonym of Mysticete'
'Mysticete belongs to Cete'
'Myxophagus belongs to Procyoninae'
'Myxophagus spelaeus belongs to Myxophagus' according to Cope 1869
'Myxophagus spelaeus belongs to Myxophagus'
'Naemorhedus is corrected as Nemorhoedus and belongs to Antilopinae'
'Nanohyus belongs to Hyotheriinae'
'Nanohyus porcinus belongs to Nanohyus'
'Nanomeryx belongs to Homacodontidae'
'Nanomeryx caudatus is recombined as Homacodon caudatus'
'Nanomyops is a subjective synonym of Cimolomys'
'Nanomys is replaced by Nanomyops'
'Nanomys minutus is recombined as Cimolomys minutus'
'Nanopus caudatus belongs to Nanopus' according to Marsh 1894
'Nanopus caudatus belongs to Nanopus'
'Nanosauridae belongs to Iguanodontoidea'
'Nanosaurus belongs to Nanosauridae'
'Nanosaurus agilis belongs to Nanosaurus'
'Nanosaurus rex belongs to Nanosaurus'
'Nanosaurus victor is recombined as Hallopus victor'
'Naocephalus belongs to Amphisbaenidae'
'Naocephalus porrectus belongs to Naocephalus'
'Naosaurus belongs to Clepsydropidae'
'Naosaurus claviger belongs to Naosaurus'
'Nectoportheus is a subjective synonym of Clidastes'
'Nectoportheus validus is recombined as Clidastes validus'
'Nematognathi was reranked as a order and belongs to Actinopteri'
'Nemorhoedus palmeri belongs to Nemorhoedus' according to Cragin 1899
'Nemorhoedus palmeri belongs to Nemorhoedus'
'Neoplagiaulax belongs to Plagiaulacinae'
'Neoplagiaulax americanus belongs to Neoplagiaulax'
'Neoplagiaulax molestus belongs to Neoplagiaulax'
'Neotoma belongs to Neotominae'
'Neotoma magister belongs to Neotoma'
'Neotominae belongs to Muridae'
'Neptunochelys belongs to Protostegidae'
'Neurodromicus belongs to Crotalidae'
'Neurodromicus dorsalis belongs to Neurodromicus'
'Nimravinae is a subjective synonym of Machairodontinae'
'Nimravus belongs to Machairodontinae'
'Nimravus confertus belongs to Nimravus'
'Nimravus gomphodus belongs to Nimravus'
'Nodosauridae belongs to Stegosauroidea'
'Nodosaurus belongs to Nodosauridae'
'Nodosaurus textilis belongs to Nodosaurus'
'Notalacerta missouriensis belongs to Notalacerta'
'Notamphibia magna belongs to Notamphibia'
'Notharctus belongs to Limnotheriidae'
'Notharctus robustior is recombined as Hipposyus robustior'
'Notharctus tenebrosus belongs to Notharctus'
'Nothocyon belongs to Caninae'
'Nothodon belongs to Diadectidae'
'Nothodon lentus belongs to Nothodon'
'Nothosaurops belongs to Plesiosauridae'
'Nothosaurops occiduus belongs to Nothosaurops'
'Nothosaurus belongs to Plesiosauridae'
'Notidanus plectrodon is recombined as Heptranchias plectrodon'
'Notidanus primigenius is recombined as Heptranchias primigenius'
'Notogoneus belongs to Gonorhynchidae'
'Notogoneus osculus belongs to Notogoneus'
'Notomorpha belongs to Emydidae'
'Notomorpha garmanii is a subjective synonym of Notomorpha gravis'
'Notomorpha gravis belongs to Notomorpha'
'Notomorpha testudinea is recombined as Emys testudinea'
'Notropis belongs to Cyprininae'
'Nummopalatus belongs to Labridae'
'Nummopalatus edwardsius belongs to Nummopalatus' according to Roualt 1858
'Nummopalatus edwardsius belongs to Nummopalatus'
'Nyctilestes belongs to Vespertilionidae'
'Nyctilestes serotinum is corrected as Nyctilestes serotinus and belongs to Nyctilestes'
'Nyctitherium belongs to Vespertilionidae'
'Nyctitherium priscus is corrected as Nyctitherium priscum and belongs to Nyctitherium'
'Nyctitherium velox belongs to Nyctitherium'
'Nyctosauridae belongs to Pterosauri'
'Nyctosaurus belongs to Nyctosauridae'
'Ochotona belongs to Ochotonidae'
'Ochotonidae belongs to Lagomorpha'
'Octacodon belongs to Anthracotheriinae'
'Octacodon valens belongs to Octacodon'
'Octotomus is a subjective synonym of Dinoceras'
'Odax carolinensis is recombined as Nummopalatus carolinensis'
'Odobaenidae is corrected as Odobenidae and belongs to Pinnipedia'
'Odobenotherium is a subjective synonym of Odobenus'
'Odobenotherium lartetianus is a subjective synonym of Odobenus rosmarus'
'Odobenus belongs to Odobenidae'
'Odobenus virginianus belongs to Odobenus'
'Odontaspis is a subjective synonym of Carcharias'
'Odontoceti is corrected as Odontocete and belongs to Cete'
'Odontolcae was reranked as a superorder and belongs to Eurhipidura'
'Odontotormae was reranked as a superorder and belongs to Eurhipidura'
'Oestocephalus belongs to Ptyoniidae'
'Oestocephalus amphiuminum is a subjective synonym of Oestocephalus remex'
'Oestocephalus rectidens belongs to Oestocephalus' according to Cope 1874
'Oestocephalus rectidens belongs to Oestocephalus'
'Oestocephalus serrula belongs to Oestocephalus' according to Cope 1871
'Oestocephalus serrula is recombined as Ptyonius serrula'
'Oestocephalus winchellianus belongs to Oestocephalus' according to Cope 1871
'Oestocephalus winchellianus is recombined as Ptyonius vinchellianus'
'Oestophorus belongs to Ichthyodorulites'
'Ogmophis belongs to Boidae'
'Ogmophis oregonensis belongs to Ogmophis'
'Oligobelus is a subjective synonym of Leuciscus'
'Oligobelus arciferus belongs to Oligobelus' according to Cope 1870
'Oligobelus arciferus is recombined as Leuciscus arciferus'
'Oligobelus laminatus belongs to Oligobelus' according to Cope 1870
'Oligobelus laminatus is recombined as Leuciscus laminatus'
'Oligobunis belongs to Simocyoninae'
'Oligoplarchus belongs to Percidae'
'Oligoplarchus squamipinnis belongs to Oligoplarchus'
'Oligoplarchus squamipinnis belongs to Oligoplarchus' according to Cope 1891
'Oligosimus belongs to Elasmosauridae'
'Oligosimus grandaevus belongs to Oligosimus'
'Oligotomus is a subjective synonym of Orohippus'
'Oligotomus cinctus is recombined as Orohippus cinctus'
'Oligotomus osbornianus [misspelled as Ectocion osbornianum] belongs to Ectocion'
'Omomys belongs to Mixodectidae'
'Omomys carteri belongs to Omomys'
'Omosauridae is a subjective synonym of Stegosauridae'
'Omosaurus is a subjective synonym of Phytosaurus'
'Omosaurus is a subjective synonym of Stegosaurus'
'Omosaurus perplexus is a subjective synonym of Phytosaurus carolinensis'
'Onchus belongs to Ichthyodorulites'
'Onchus clintoni belongs to Onchus' according to Claypole 1885
'Onchus clintoni belongs to Onchus'
'Onchus murchisoni belongs to Onchus'
'Onchus pennsylvanicus belongs to Onchus' according to Claypole 1885
'Onchus pennsylvanicus belongs to Onchus'
'Onchus rectus belongs to Onchus' according to Eastman 1899
'Onchus rectus belongs to Onchus'
'Oncobatis belongs to Rajidae'
'Oncobatis pentagonus belongs to Oncobatis' according to Leidy 1870
'Oncobatis pentagonus belongs to Oncobatis'
'Ontocetus belongs to Physeterinae'
'Ontocetus emmonsi belongs to Ontocetus'
'Onychodectes belongs to Conoryctidae'
'Onychodectes rarus belongs to Onychodectes'
'Onychodectes tisonensis belongs to Onychodectes'
'Onychodontidae belongs to Rhipidistia'
'Onychodus belongs to Onychodontidae'
'Onychodus ortoni belongs to Onychodus' according to Newberry 1889
'Onychodus ortoni belongs to Onychodus'
'Onychodus sigmoides belongs to Onychodus'
'Ophiacodon belongs to Clepsydropidae'
'Ophiacodon grandis belongs to Ophiacodon'
'Ophiacodon mirus belongs to Ophiacodon'
'Ophidia is a subjective synonym of Serpentes'
'Ophthalmosaurus discus is recombined as Baptanodon discus'
'Opisthocoelia belongs to Dinosauria'
'Opisthotomus belongs to Limnotheriidae'
'Opisthotomus astutus belongs to Opisthotomus'
'Opisthotomus flagrans belongs to Opisthotomus'
'Oracanthus belongs to Ichthyodorulites'
'Oracanthus fragilis belongs to Oracanthus' according to Newberry 1857
'Oracanthus fragilis is recombined as Eczematolepis fragilis'
'Oracanthus lineatus belongs to Oracanthus' according to Newberry 1897
'Oracanthus lineatus belongs to Oracanthus'
'Oracanthus milleri belongs to Oracanthus'
'Oracanthus multiseriatus belongs to Oracanthus' according to Newberry 1857
'Oracanthus multiseriatus belongs to Oracanthus'
'Oracanthus obliquus belongs to Oracanthus' according to Saint John and Worthen 1875
'Oracanthus obliquus belongs to Oracanthus'
'Oracanthus pnigeus belongs to Oracanthus'
'Oracanthus rectus belongs to Oracanthus' according to Saint John and Worthen 1883
'Oracanthus rectus belongs to Oracanthus'
'Oracanthus vetustus belongs to Oracanthus' according to Leidy 1855
'Oracanthus vetustus belongs to Oracanthus'
'Oracodon belongs to Plagiaulacinae'
'Oracodon anceps belongs to Oracodon'
'Oracodon conulus belongs to Oracodon'
'Oreocyon is a subjective synonym of Patriofelis'
'Oreodon is a subjective synonym of Merycoidodon'
'Oreodon affinis is recombined as Merycoidodon affinis'
'Oreodon bullatus is recombined as Merycoidodon bullatus'
'Oreodon gracile is recombined as Merycoidodon gracilis'
'Oreodon hybridus is recombined as Merycoidodon hybridus'
'Oreodon major is recombined as Eporeodon major'
'Oreodon occidentalis is recombined as Eporeodon occidentalis'
'Oreodon priscum is a subjective synonym of Merycoidodon culbertsonii'
'Oreodon robustum is a subjective synonym of Merycoidodon culbertsonii'
'Oreodon superbus is recombined as Merycochoerus superbus'
'Oreodontidae is a subjective synonym of Agriochoeridae'
'Oreosaurus belongs to Gymnophthalmidae' according to Peters 1862
'Oreosaurus is replaced by Xestops'
'Oreosaurus gracilis is recombined as Xestops gracilis'
'Oreosaurus lentus is recombined as Xestops lentus'
'Oreosaurus microdus is recombined as Xestops microdus'
'Oreosaurus minutus is recombined as Xestops minutus'
'Oreosaurus vagans is recombined as Xestops vagans'
'Oricardinus belongs to Pachyrhizodontidae'
'Oricardinus tortus belongs to Oricardinus'
'Ornithichnites culbertsoni belongs to Ornithichnites' according to King 1844
'Ornithichnites culbertsoni is recombined as Anomoepus culbertsonii'
'Ornithichnites deanii is recombined as Platypterna deaniana'
'Ornithichnites gallinuloides belongs to Ornithichnites' according to King 1844
'Ornithichnites gallinuloides is recombined as Anomoepus gallinuloides'
'Ornithichnites giganteus is recombined as Eubrontes giganteus'
'Ornithichnites gracilis is recombined as Grallator gracilis'
'Ornithichnites ingens is recombined as Steropoides ingens'
'Ornithichnites minimus is recombined as Plesiornis minimus'
'Ornithichnites minusculus is recombined as Eubrontes minusculus'
'Ornithichnites parallelus is recombined as Grallator parallelus'
'Ornithichnites robustus is recombined as Argoides robustus'
'Ornithichnites tetradactylus is recombined as Sillimanius tetradactylus'
'Ornithichnites tuberosus is recombined as Eubrontes tuberosus'
'Ornithischia is a subjective synonym of Orthopoda'
'Ornithocephalidae belongs to Pterosauri'
'Ornithocephalus belongs to Ornithocephalidae'
'Ornithocephalus antiquus belongs to Ornithocephalus'
'Ornithochirus harpygia is a subjective synonym of Pteranodon occidentalis'
'Ornithochirus umbrosus is a subjective synonym of Pteranodon ingens'
'Ornithoidichnites delicatulus is recombined as Platypterna delicatula'
'Ornithoidichnites elegans is recombined as Steropoides elegans'
'Steropoides elegantior is a subjective synonym of Steropoides elegans'
'Ornithoidichnites expansus is recombined as Eubrontes expansus'
'Ornithoidichnites gracilior is recombined as Sillimanius gracilior'
'Ornithoidichnites gracillimus is recombined as Anomoepus gracillimus'
'Ornithoidichnites isodactylus is recombined as Argoides isodactylatus'
'Ornithoidichnites lyellii is recombined as Fulicopus lyellianus'
'Ornithoidichnites macrodactylus is recombined as Argoides macrodactylatus'
'Ornithoidichnites redfieldii is recombined as Argoides redfieldianus'
'Ornithoidichnites rogersi is recombined as Palamopus rogersianus'
'Brontozoum sillimani is a subjective synonym of Eubrontes dananus'
'Ornithoidichnites tenuis is recombined as Platypterna tenuis'
'Ornithomimidae belongs to Theropoda'
'Ornithomimus belongs to Ornithomimidae'
'Ornithomimus grandis belongs to Ornithomimus'
'Ornithomimus minutus belongs to Ornithomimus'
'Ornithomimus sedens belongs to Ornithomimus'
'Ornithomimus tenuis belongs to Ornithomimus'
'Ornithomimus velox belongs to Ornithomimus'
'Ornithopappi belongs to Saururae'
'Ornithopoda is a subjective synonym of Iguanodontoidea'
'Ornithopus is a subjective synonym of Sillimanius'
'Ornithopus adamsanus is a subjective synonym of Steropoides ingens'
'Ornithopus gallinaceus is a subjective synonym of Sillimanius tetradactylus'
'Ornithopus loripes is recombined as Steropoides loripes'
'Ornithosauria is a subjective synonym of Pterosauri'
'Ornithostomatidae is a subjective synonym of Pteranodontidae'
'Ornithotarsus belongs to Trachodontidae'
'Ornithotarsus immanis belongs to Ornithotarsus'
'Orodontidae belongs to Heterodontoidea'
'Orodus belongs to Orodontidae'
'Orodus alleni belongs to Orodus' according to Saint John and Worthen 1875
'Orodus alleni belongs to Orodus'
'Orodus basalis is recombined as Campodus basalis'
'Orodus carinatus belongs to Orodus' according to Saint John and Worthen 1875
'Orodus carinatus belongs to Orodus'
'Orodus cinctus belongs to Orodus'
'Orodus colletti belongs to Orodus' according to Newberry 1879
'Orodus colletti belongs to Orodus'
'Orodus corrugatus is recombined as Campodus corrugatus'
'Orodus daedalus belongs to Orodus' according to Saint John and Worthen 1875
'Orodus daedalus belongs to Orodus'
'Orodus decussatus belongs to Orodus' according to Saint John and Worthen 1875
'Orodus decussatus belongs to Orodus'
'Orodus elegantulus belongs to Orodus'
'Orodus fastigiatus belongs to Orodus' according to Saint John and Worthen 1875
'Orodus fastigiatus belongs to Orodus'
'Orodus major belongs to Orodus' according to Saint John and Worthen 1875
'Orodus major belongs to Orodus'
'Orodus mammillaris belongs to Orodus'
'Orodus minusculus belongs to Orodus' according to Newberry and Worthen 1866
'Orodus minusculus is recombined as Desmiodus minusculus'
'Orodus minutus belongs to Orodus'
'Orodus neglectus belongs to Orodus' according to Saint John and Worthen 1875
'Orodus neglectus belongs to Orodus'
'Orodus ornatus belongs to Orodus'
'Orodus parallelus belongs to Orodus' according to Saint John and Worthen 1875
'Orodus parallelus belongs to Orodus'
'Orodus parvulus belongs to Orodus' according to Saint John and Worthen 1875
'Orodus parvulus belongs to Orodus'
'Orodus plicatus belongs to Orodus' according to Newberry and Worthen 1866
'Orodus plicatus belongs to Orodus'
'Orodus ramosus belongs to Orodus'
'Orodus tuberculatus belongs to Orodus'
'Orodus turgidus belongs to Orodus' according to Saint John and Worthen 1875
'Orodus turgidus belongs to Orodus'
'Orodus variabilis belongs to Orodus' according to Newberry 1875
'Orodus variabilis belongs to Orodus'
'Orodus varicostatus belongs to Orodus' according to Saint John and Worthen 1875
'Orodus varicostatus belongs to Orodus'
'Orodus whitei belongs to Orodus'
'Orohippus belongs to Hyracotheriinae'
'Orohippus agilis belongs to Orohippus'
'Orohippus angustidens is a subjective synonym of Eohippus index'
'Orohippus cuspidatus is a subjective synonym of Eohippus index'
'Orohippus major belongs to Orohippus'
'Orohippus tapirinus is recombined as Eohippus tapirinus'
'Orohippus uintensis is recombined as Epihippus uintensis'
'Oromeryx belongs to Leptomerycinae'
'Oromeryx plicatus belongs to Oromeryx'
'Oromys is a subjective synonym of Hydrochoerus'
'Oromys aesopi is recombined as Hydrochoerus aesopi'
'Orophosaurus belongs to Elasmosauridae'
'Orophosaurus pauciporus belongs to Orophosaurus'
'Orotherium is a subjective synonym of Orohippus'
'Orotherium cristonense is recombined as Pliolophus cristonensis'
'Orotherium index is recombined as Eohippus index'
'Orotherium loevii is a subjective synonym of Pliolophus cristonensis'
'Orotherium uintanum is recombined as Orohippus uintanus'
'Orthacanthus belongs to Pleuracanthidae'
'Orthacanthus cylindricus belongs to Orthacanthus'
'Orthacanthus platypternus is recombined as Diacranodus platypternus'
'Orthacanthus quadriseriatus is recombined as Pleuracanthus quadriseriatus'
'Orthocynodon is a subjective synonym of Amynodon'
'Orthocynodon antiquus is recombined as Amynodon antiquus'
'Orthodactylus floriferus belongs to Orthodactylus'
'Orthodactylus introvergens belongs to Orthodactylus'
'Orthodactylus linearis belongs to Orthodactylus'
'Orthognathus is a subjective synonym of Rhizodopsis'
'Orthognathus reticulosus belongs to Orthognathus' according to Barkas 1873
'Orthopleurodus belongs to Cochliodontidae'
'Orthopleurodus convexus belongs to Orthopleurodus' according to Saint John and Worthen 1883
'Orthopleurodus convexus belongs to Orthopleurodus'
'Orthopleurodus novomexicanus belongs to Orthopleurodus' according to Saint John and Worthen 1883
'Orthopleurodus novomexicanus belongs to Orthopleurodus'
'Orthopoda belongs to Dinosauria'
'Orycterocetus belongs to Physeterinae'
'Orycterocetus cornutidens belongs to Orycterocetus'
'Orycterocetus crocodilinus is a subjective synonym of Orycterocetus cornutidens'
'Orycterocetus quadratidens belongs to Orycterocetus'
'Orycterotherium is a subjective synonym of Mylodon'
'Oryctotherium missouriense is a subjective synonym of Mylodon harlani'
'Osmerus cordieri is recombined as Sardinius cordieri'
'Osmotherium belongs to Melinae'
'Osmotherium spelaeum belongs to Osmotherium'
'Osteoglossidae belongs to Isospondyli'
'Osteolepidae belongs to Rhipidistia'
'Osteopera is a subjective synonym of Agouti'
'Osteopygis belongs to Thalassemydidae'
'Osteopygis chelydrinus belongs to Osteopygis'
'Osteopygis emarginatus belongs to Osteopygis'
'Osteopygis erosus belongs to Osteopygis'
'Osteopygis platylomus belongs to Osteopygis'
'Osteopygis repandus belongs to Osteopygis'
'Osteostraci was reranked as a order and belongs to Aspidoganoidei'
'Otariina was reranked as the family Otariidae and belongs to Pinnipedia'
'Otocoelidae belongs to Chelydosauria'
'Otocoelus belongs to Otocoelidae'
'Otocoelus mimeticus belongs to Otocoelus'
'Otocoelus testudineus belongs to Otocoelus'
'Otodus belongs to Lamninae'
'Otodus apiculatus belongs to Otodus'
'Otodus crassus belongs to Otodus'
'Otodus divaricatus belongs to Otodus' according to Leidy 1872
'Otodus divaricatus belongs to Otodus'
'Otodus levis belongs to Otodus'
'Otodus macrotus belongs to Otodus'
'Otodus obliquus belongs to Otodus'
'Otodus trigonatus belongs to Otodus'
'Otozoum caudatum belongs to Otozoum'
'Otozoum moodii belongs to Otozoum'
'Otozoum parvum belongs to Otozoum'
'Ovibos belongs to Caprinae'
'Ovibos cavifrons belongs to Ovibos'
'Ovibos maximus belongs to Ovibos' according to Richardson 1854
'Ovibos maximus is a subjective synonym of Ovibos cavifrons'
'Ovis belongs to Caprinae'
'Ovis aries belongs to Ovis'
'Ovis mamillaris belongs to Ovis'
'Ovis mamillaris belongs to Ovis' according to Foster 1837
'Oxyacodon belongs to Phenacodontidae'
'Oxyacodon apiculatus belongs to Oxyacodon'
'Oxyaena belongs to Oxyaeninae'
'Oxyaena forcipata belongs to Oxyaena'
'Oxyaena huerfanensis belongs to Oxyaena'
'Oxyaena lupina belongs to Oxyaena'
'Oxyaena morsitans belongs to Oxyaena'
'Oxyaenidae is a subjective synonym of Hyaenodontidae'
'Oxyaeninae belongs to Hyaenodontidae'
'Oxyaenodon belongs to Hyaenodontinae'
'Oxyaenodon dysclerus belongs to Oxyaenodon'
'Oxyaenodon dysodus belongs to Oxyaenodon'
'Oxyclaenidae belongs to Creodonta'
'Oxyclaenus belongs to Oxyclaenidae'
'Oxyrhina is a subjective synonym of Isurus'
'Oxyrhina crassa is recombined as Isurus crassus'
'Oxyrhina desorii is recombined as Isurus desorii'
'Oxyrhina hastalis is recombined as Isurus hastalis'
'Oxyrhina minuta is recombined as Isurus minutus'
'Oxyrhina plana is recombined as Isurus planus'
'Oxyrhina sillimani is recombined as Isurus sillimanii'
'Oxyrhina spallanzanii belongs to Oxyrhina' according to Bonaparte 1841
'Oxyrhina spallanzanii is a subjective synonym of Isurus oxyrhynchus'
'Oxyrhina tumula is recombined as Isurus tumulus'
'Pachyaena belongs to Mesonychidae'
'Pachyaena gigantea belongs to Pachyaena'
'Pachyaena intermedia belongs to Pachyaena'
'Pachyaena ossifraga belongs to Pachyaena'
'Pachycormidae belongs to Halecomorphi'
'Pachycyon belongs to Caninae'
'Pachycyon robustus belongs to Pachycyon'
'Pachynolophus posticus is recombined as Heptodon posticus'
'Pachyrhizodontidae belongs to Isospondyli'
'Pachyrhizodus belongs to Pachyrhizodontidae'
'Pachyrhizodus basalis belongs to Pachyrhizodus'
'Pachyrhizodus caninus belongs to Pachyrhizodus'
'Pachyrhizodus curvatus belongs to Pachyrhizodus' according to Loomis 1900
'Pachyrhizodus curvatus belongs to Pachyrhizodus'
'Pachyrhizodus kingi is corrected as Pachyrhizodus kingii and belongs to Pachyrhizodus'
'Pachyrhizodus latimentum belongs to Pachyrhizodus'
'Pachyrhizodus leptognathus belongs to Pachyrhizodus' according to Stewart 1898
'Pachyrhizodus leptognathus belongs to Pachyrhizodus'
'Pachyrhizodus leptopsis belongs to Pachyrhizodus'
'Pachyrhizodus minimus belongs to Pachyrhizodus'
'Pachyrhizodus sheareri belongs to Pachyrhizodus' according to Cope 1872
'Pachyrhizodus sheareri is recombined as Oricardinus sheareri'
'Pachyrhizodus velox belongs to Pachyrhizodus' according to Stewart 1898
'Pachyrhizodus velox belongs to Pachyrhizodus'
'Pachyura belongs to Rajae'
'Paciculus belongs to Cricetinae'
'Paciculus insolitus belongs to Paciculus'
'Paecilodus sublaevis is recombined as Deltodus sublaevis'
'Palaeacodon belongs to Limnotheriidae'
'Palaeacodon vagus belongs to Palaeacodon'
'Palaeacodon verus belongs to Palaeacodon'
'Palaeaspis belongs to Pteraspidae'
'Palaeaspis americana belongs to Palaeaspis'
'Palaeaspis bitruncata is a subjective synonym of Palaeaspis americana'
'Palaeaspis bitruncata belongs to Palaeaspis' according to Claypole 1884
'Palaeaspis elliptica belongs to Palaeaspis' according to Claypole 1885
'Palaeaspis elliptica belongs to Palaeaspis'
'Palaechimaera is a subjective synonym of Dictyorhabdus'
'Palaechimaera prisca belongs to Palaechimaera' according to Walcott 1891
'Palaechimaera prisca is recombined as Dictyorhabdus priscus' according to Walcott 1892
'Palaechimaera prisca is recombined as Dictyorhabdus priscus'
'Palaedaphus belongs to Dipteridae'
'Palaedaphus insignia [misspelled as Palaedaphus insignis] belongs to Palaedaphus'
'Palaeictops belongs to Leptictidae'
'Palaeobatis insignis belongs to Palaeobatis' according to Leidy 1857
'Palaeobatis insignis is recombined as Chomatodus insignis'
'Palaeoborus belongs to Cathartidae'
'Palaeocastor is a subjective synonym of Steneofiber'
'Palaeochoerus probus is recombined as Perchoerus probus'
'Palaeochoerus subaequans is recombined as Bothrolabis subaequans'
'Palaeoctonus belongs to Megalosauridae'
'Palaeoctonus appalachianus belongs to Palaeoctonus'
'Palaeoctonus aulacodus is recombined as Suchoprion aulacodus'
'Palaeoctonus dumblianus belongs to Palaeoctonus'
'Palaeoctonus orthodon belongs to Palaeoctonus'
'Palaeolagus belongs to Leporidae'
'Palaeolagus agapetillus belongs to Palaeolagus'
'Palaeolagus haydeni belongs to Palaeolagus'
'Palaeolagus intermedius belongs to Palaeolagus'
'Palaeolagus triplex belongs to Palaeolagus'
'Palaeolagus turgidus belongs to Palaeolagus'
'Palaeomeryx belongs to Cervulinae'
'Palaeomeryx americanus belongs to Palaeomeryx'
'Palaeomeryx kaupi [misspelled as Palaeomeryx kaupii] belongs to Palaeomeryx'
'Palaeomeryx madisonius belongs to Palaeomeryx'
'Palaeomylus belongs to Ptyctodontidae'
'Palaeonictis belongs to Ambloctonidae'
'Palaeonictis gigantea belongs to Palaeonictis'
'Palaeonictis occidentalis belongs to Palaeonictis'
'Palaeoniscidae belongs to Chondrostei'
'Palaeoniscum belongs to Palaeoniscidae'
'Palaeoniscum antiquum belongs to Palaeoniscum' according to Williams 1886
'Palaeoniscum antiquum belongs to Palaeoniscum'
'Palaeoniscum brainerdi belongs to Palaeoniscum' according to Thomas 1853
'Palaeoniscum brainerdi is recombined as Gonatodus brainerdi'
'Palaeoniscum devonicum belongs to Palaeoniscum' according to Clarke 1885
'Palaeoniscum devonicum belongs to Palaeoniscum'
'Palaeoniscum freieslebeni belongs to Palaeoniscum'
'Palaeoniscum macropterum is recombined as Elonichthys macropterus'
'Palaeoniscum reticulatum belongs to Palaeoniscum' according to Williams 1886
'Palaeoniscum reticulatum belongs to Palaeoniscum'
'Palaeoniscum scutigerum belongs to Palaeoniscum' according to Newberry 1868
'Palaeoniscum scutigerum belongs to Palaeoniscum'
'Palaeoniscus agassizii belongs to Palaeoniscus' according to Redfield 1841
'Palaeoniscus agassizii is recombined as Semionotus agassizii'
'Palaeoniscus alberti is recombined as Rhadinichthys alberti'
'Palaeoniscus browni belongs to Palaeoniscus' according to Jackson 1851
'Palaeoniscus browni is recombined as Elonichthys brownii'
'Palaeoniscus cairnsii is recombined as Rhadinichthys cairnsii'
'Palaeoniscus fultus is recombined as Ischypterus fultus' according to Egerton 1847
'Palaeoniscus fultus is recombined as Semionotus fultus'
'Palaeoniscus gracilis belongs to Palaeoniscus' according to Newberry and Worthen 1870
'Palaeoniscus gracilis is recombined as Rhadinichthys gracilis'
'Palaeoniscus latus is a subjective synonym of Semionotus tenuiceps'
'Palaeoniscus leidyianus is recombined as Rhadinichthys leidyianus'
'Palaeoniscus leidyianus belongs to Palaeoniscus' according to Lea 1858
'Palaeoniscus modulus is recombined as Rhadinichthys modulus'
'Palaeoniscus ornatissimus is recombined as Rhadinichthys ornatissimus'
'Palaeoniscus ovatus belongs to Palaeoniscus' according to Redfield 1841
'Palaeoniscus ovatus is recombined as Semionotus ovatus'
'Palaeoniscus varians is recombined as Acentrophorus varians'
'Palaeonornis belongs to Fringillidae'
'Palaeonornis struthionoides belongs to Palaeonornis'
'Palaeophidae belongs to Serpentes'
'Palaeophis belongs to Palaeophidae'
'Palaeophis halidanus belongs to Palaeophis'
'Palaeophis littoralis belongs to Palaeophis'
'Palaeophis toliapicus belongs to Palaeophis'
'Palaeosaurus is a subjective synonym of Thecodontosaurus'
'Palaeosaurus fraserianus is recombined as Thecodontosaurus fraserianus'
'Palaeoscincus belongs to Stegosauridae'
'Palaeoscincus costatus belongs to Palaeoscincus'
'Palaeoscincus latus belongs to Palaeoscincus'
'Palaeosinopa belongs to Proviverridae'
'Palaeosinopa veterrima belongs to Palaeosinopa'
'Palaeospiza belongs to Fringillidae'
'Palaeospiza bella belongs to Palaeospiza'
'Palaeosyopinae is a subjective synonym of Lambdotheriinae'
'Palaeosyops is a subjective synonym of Limnohyops'
'Palaeosyops belongs to Lambdotheriinae'
'Palaeosyops borealis is recombined as Telmatherium boreale'
'Palaeosyops diaconus is a subjective synonym of Palaeosyops paludosus'
'Palaeosyops humilis belongs to Palaeosyops'
'Palaeosyops hyognathus is recombined as Telmatherium hyognathum'
'Palaeosyops junior belongs to Palaeosyops'
'Palaeosyops longirostris belongs to Palaeosyops'
'Palaeosyops major is a subjective synonym of Palaeosyops paludosus'
'Palaeosyops manteoceras is recombined as Manteoceras manteoceras'
'Palaeosyops megarhinus is recombined as Telmatherium megarhinum'
'Palaeosyops minor is recombined as Anchippodus minor'
'Palaeosyops paludosus belongs to Palaeosyops'
'Palaeosyops ultimus is a nomen nudum'
'Palaeosyops vallidens is recombined as Telmatherium vallidens'
'Palaeotetrix belongs to Tetraonidae'
'Palaeotetrix gillii belongs to Palaeotetrix'
'Palaeoteuthis is a subjective synonym of Pteraspis'
'Palaeoteuthis marginalis belongs to Palaeoteuthis' according to Eichwald 1871
'Palaeotheca is a subjective synonym of Emys'
'Palaeotheca polycypha is recombined as Emys polycypha'
'Palaeotheca terrestris is recombined as Emys terrestris'
'Palaeotherium bairdii is recombined as Miohippus bairdi'
'Palaeotherium proutii is recombined as Titanotherium proutii'
'Palaeotherium tapiroides is recombined as Lophiodon tapiroides'
'Palaeotringa belongs to Scolopacidae'
'Palaeotringa littoralis belongs to Palaeotringa'
'Palaeotringa vagans belongs to Palaeotringa'
'Palaeotringa vetus belongs to Palaeotringa'
'Palamopus is replaced by Eupalamopus'
'Palamopus anomalus belongs to Palamopus'
'Palamopus clarki is a subjective synonym of Eupalamopus dananus'
'Palamopus dananus is recombined as Eupalamopus dananus'
'Panolax belongs to Leporidae'
'Panolax sanctaefidei belongs to Panolax'
'Pantodonta was reranked as a suborder and belongs to Amblypoda'
'Pantolambda belongs to Pantolambdidae'
'Pantolambda bathmodon belongs to Pantolambda'
'Pantolambda cavirictus belongs to Pantolambda'
'Pantolambdidae belongs to Taligrada'
'Pantolestes belongs to Pantolestidae'
'Pantolestes chacensis is recombined as Trigonolestes chacensis'
'Pantolestes longieundus is corrected as Pantolestes longicaudus and belongs to Pantolestes'
'Pantolestes metsiacus is recombined as Trigonolestes metsiacus'
'Pantolestes nuptus is recombined as Trigonolestes nuptus'
'Pantolestes secans is recombined as Trigonolestes secans'
'Pantolestidae belongs to Pantolestoidea'
'Pantolestoidea belongs to Artiodactyla'
'Pantosaurus belongs to Plesiosauridae'
'Pantylus belongs to Pariotichidae'
'Pantylus coicodus belongs to Pantylus' according to Cope 1896
'Pantylus coicodus belongs to Pantylus'
'Pantylus cordatus belongs to Pantylus'
'Pappichthys belongs to Amiidae'
'Pappichthys corsonii [misspelled as Pappichthys corsoni] belongs to Pappichthys'
'Pappichthys laevis belongs to Pappichthys'
'Pappichthys plicatus belongs to Pappichthys'
'Pappichthys sclerops belongs to Pappichthys'
'Parabatrachus belongs to Osteolepidae'
'Parabatrachus colei belongs to Parabatrachus' according to Owen 1853
'Parabatrachus colei belongs to Parabatrachus'
'Paracetus is a subjective synonym of Hypocetus'
'Paracetus mediatlanticus is recombined as Hypocetus mediatlanticus'
'Paradaphoenus belongs to Caninae'
'Paradaphoenus transversus belongs to Paradaphoenus'
'Paradoxodon belongs to Uintacyonidae'
'Parahyus belongs to Achaenodontinae'
'Parahyus aberrans belongs to Parahyus'
'Parahyus vagus belongs to Parahyus'
'Parameryx belongs to Leptotragulinae'
'Parameryx laevis belongs to Parameryx'
'Parameryx sulcatus belongs to Parameryx'
'Paramys belongs to Ischyromyidae'
'Paramys delicatior belongs to Paramys'
'Paramys delicatissimus belongs to Paramys'
'Paramys delicatus belongs to Paramys'
'Paramys leptodus belongs to Paramys'
'Paramys relictus is recombined as Sciurus relictus'
'Paramys robustus belongs to Paramys'
'Paramys superbus belongs to Paramys'
'Paramys uintensis belongs to Paramys'
'Parasaurus is replaced by Pantosaurus'
'Parasaurus striatus is recombined as Pantosaurus striatus'
'Parasuchia belongs to Loricata'
'Paraxonia is a subjective synonym of Artiodactyla'
'Pareiasauridae belongs to Cotylosauria'
'Pareiopliteae belongs to Percomorphi'
'Parictis belongs to Mustelinae'
'Parictis primaevus belongs to Parictis'
'Pariostegus belongs to Mastodonsauridae'
'Pariostegus myops belongs to Pariostegus'
'Pariotichidae belongs to Cotylosauria'
'Pariotichus belongs to Pariotichidae'
'Pariotichus aduncus belongs to Pariotichus'
'Pariotichus brachyops belongs to Pariotichus'
'Pariotichus hamatus is recombined as Labidosaurus hamatus'
'Pariotichus isolomus belongs to Pariotichus'
'Pariotichus megalops is recombined as Isodectes megalops'
'Parioxys is a subjective synonym of Eryops'
'Parioxys ferricolus is recombined as Eryops ferricolus'
'Paroceras is a subjective synonym of Dinoceras'
'Paronychodon belongs to Megalosauridae'
'Paronychodon lacustris belongs to Paronychodon'
'Passalacodon belongs to Leptictidae'
'Passalacodon littoralis [misspelled as Passalacodon litoralis] belongs to Passalacodon'
'Passeres was reranked as a order and belongs to Euornithes'
'Passeriformes is a subjective synonym of Passeres'
'Patriofelis belongs to Oxyaeninae'
'Patriofelis leidyanus is recombined as Aelurotherium leidyana'
'Patriofelis ulta belongs to Patriofelis'
'Paurodon belongs to Paurodontidae'
'Paurodon valens belongs to Paurodon'
'Paurodontidae belongs to Polyprotodontia'
'Pediocaetes belongs to Tetraonidae'
'Pediocaetes lucasi is corrected as Pediocaetes lucasii and belongs to Pediocaetes'
'Pediocaetes nanus belongs to Pediocaetes'
'Pediomys belongs to Cimolestidae'
'Pediomys elegans belongs to Pediomys'
'Pelecanidae belongs to Pelecanoidea'
'Pelecanoidea belongs to Steganopodes'
'Pelecanus belongs to Pelecanidae'
'Pelecanus bassanus is recombined as Sula bassana'
'Pelecanus carbo is recombined as Phalacrocorax carbo'
'Pelecanus erythrorhynchos belongs to Pelecanus'
'Pelecopteridae is a subjective synonym of Pachycormidae'
'Pelecopterus chirurgus belongs to Pelecopterus' according to Cope 1875
'Pelecopterus chirurgus is recombined as Protosphyraena chirurgus'
'Pelecorapis belongs to Mugilidae'
'Pelecorapis berycinus belongs to Pelecorapis'
'Pelecorapis varius belongs to Pelecorapis'
'Pelion belongs to Protritonidae'
'Pelomedusidae belongs to Pleurodira'
'Pelonax is a subjective synonym of Elotherium'
'Peltodus belongs to Petalodontidae'
'Peltodus plicomphalus belongs to Peltodus' according to Saint John and Worthen 1875
'Peltodus plicomphalus belongs to Peltodus'
'Peltodus pulvinulus belongs to Peltodus' according to Newberry and Worthen 1870
'Peltodus pulvinulus belongs to Peltodus'
'Peltodus quadratus belongs to Peltodus' according to Saint John and Worthen 1875
'Peltodus quadratus belongs to Peltodus'
'Peltodus transversus belongs to Peltodus' according to Saint John and Worthen 1875
'Peltodus transversus belongs to Peltodus'
'Peltodus unguiformis belongs to Peltodus'
'Peltosaurus belongs to Anguidae'
'Peltosaurus granulosus belongs to Peltosaurus'
'Pelycictis belongs to Melinae'
'Pelycictis lobulatus belongs to Pelycictis'
'Pelycodus belongs to Limnotheriidae'
'Pelycodus angulatus is recombined as Chriacus angulatus'
'Pelycodus frugivorus belongs to Pelycodus'
'Pelycodus nunienum is a subjective synonym of Pelycodus frugivorus'
'Pelycorhamphus belongs to Ziphiinae'
'Pelycorhamphus pertortus belongs to Pelycorhamphus'
'Pelycosauria belongs to Reptilia'
'Pentacodon belongs to Oxyclaenidae'
'Peplorhina belongs to Coelacanthidae'
'Peplorhina anthracina belongs to Peplorhina'
'Peplorhina arctata belongs to Peplorhina'
'Peraceras is a subjective synonym of Aphelops'
'Peraceras superciliosus is recombined as Aphelops superciliosus'
'Peratherium comstocki is recombined as Didelphis comstocki'
'Percesoces belongs to Mesichthyes'
'Perchoerus belongs to Hyotheriinae'
'Percidae belongs to Percoidea'
'Percoidea was reranked as a superfamily and belongs to Pharyngognathi'
'Percomorphi belongs to Actinopteri'
'Periplectrodus belongs to Cochliodontidae'
'Periplectrodus compressus belongs to Periplectrodus' according to Saint John and Worthen 1875
'Periplectrodus compressus belongs to Periplectrodus'
'Periplectrodus expansus belongs to Periplectrodus' according to Saint John and Worthen 1875
'Periplectrodus expansus belongs to Periplectrodus'
'Periplectrodus warreni belongs to Periplectrodus' according to Saint John and Worthen 1875
'Periplectrodus warreni belongs to Periplectrodus'
'Peripristis is a subjective synonym of Ctenoptychius'
'Periptychidae belongs to Taligrada'
'Periptychinae belongs to Periptychidae'
'Periptychus belongs to Periptychinae'
'Periptychus brabensis is a subjective synonym of Periptychus coarctatus'
'Periptychus carinidens belongs to Periptychus'
'Periptychus coarctatus belongs to Periptychus'
'Periptychus ditrigonus is recombined as Ectoconus ditrigonus'
'Perissodactyla was reranked as a suborder and belongs to Ungulata'
'Peritresius belongs to Thalassemydidae'
'Peromyscus belongs to Cricetinae'
'Petalodontidae belongs to Petalodontoidea'
'Petalodontoidea belongs to Squali'
'Petalodopsis is a subjective synonym of Sagenodus'
'Petalodopsis mirabilis belongs to Petalodopsis' according to Barkas 1874
'Petalodus belongs to Petalodontidae'
'Petalodus allegheniensis is a subjective synonym of Petalodus ohioensis'
'Petalodus curtus belongs to Petalodus' according to Newberry and Worthen 1870
'Petalodus curtus belongs to Petalodus'
'Petalodus destructor is a subjective synonym of Petalodus ohioensis'
'Petalodus hastingsii is corrected as Petalodus hastingsiae and belongs to Petalodus'
'Petalodus hybridus belongs to Petalodus' according to Saint John and Worthen 1875
'Petalodus hybridus belongs to Petalodus'
'Petalodus knappi belongs to Petalodus' according to Newberry 1879
'Petalodus knappi belongs to Petalodus'
'Petalodus linguifer belongs to Petalodus' according to Newberry and Worthen 1866
'Petalodus linguifer belongs to Petalodus'
'Petalodus ohioensis belongs to Petalodus'
'Petalodus proximus belongs to Petalodus' according to Saint John and Worthen 1875
'Petalodus proximus belongs to Petalodus'
'Petalodus psittacinus is recombined as Petalorhynchus psittacinus'
'Petalodus serratus is recombined as Ctenopetalus serratus'
'Petalorhynchus belongs to Petalodontidae'
'Petalorhynchus distortus belongs to Petalorhynchus' according to Saint John and Worthen 1875
'Petalorhynchus distortus belongs to Petalorhynchus'
'Petalorhynchus pseudosagittatus belongs to Petalorhynchus' according to Saint John and Worthen 1875
'Petalorhynchus pseudosagittatus belongs to Petalorhynchus'
'Petalorhynchus spatulatus belongs to Petalorhynchus' according to Saint John and Worthen 1875
'Petalorhynchus spatulatus belongs to Petalorhynchus'
'Petalorhynchus striatus belongs to Petalorhynchus' according to Newberry and Worthen 1866
'Petalorhynchus striatus belongs to Petalorhynchus'
'Petrodus belongs to Orodontidae'
'Petrodus acutus belongs to Petrodus'
'Petrodus acutus belongs to Petrodus' according to Newberry and Worthen 1866
'Petrodus occidentalis belongs to Petrodus'
'Petrodus patelliformis belongs to Petrodus'
'Petrodus pustulosus belongs to Petrodus' according to Newberry and Worthen 1870
'Petrodus pustulosus belongs to Petrodus'
'Phacodus is replaced by Crommyodus'
'Phacodus irregularis is recombined as Crommyodus irregularis'
'Phalacrocoracidae belongs to Pelecanoidea'
'Phalacrocorax belongs to Phalacrocoracidae'
'Phalacrocorax mediterraneus is recombined as Meleagris antiquus'
'Phalacrocorax perspicillatus belongs to Phalacrocorax'
'Phalaropodidae is a subjective synonym of Scolopacidae'
'Phalaropus belongs to Scolopacidae'
'Phaneropleurini is corrected as Phaneropleuridae and belongs to Ctenodipterini'
'Phaneropleuron curtum is recombined as Scaumenacia curta'
'Phareodus belongs to Osteoglossidae'
'Phareodus acutus belongs to Phareodus'
'Phareodus encaustus belongs to Phareodus'
'Phareodus testis is recombined as Dapedoglossus testis' according to Cope 1878
'Phareodus testis belongs to Phareodus'
'Pharyngognathi was reranked as a suborder and belongs to Percomorphi'
'Phasganodus gentryi is recombined as Enchodus gentryi'
'Phasianidae belongs to Alectoropodes'
'Phenacodontidae belongs to Condylarthra'
'Phenacodus belongs to Phenacodontidae'
'Phenacodus brachypternus belongs to Phenacodus'
'Phenacodus calceolatus is a subjective synonym of Tetraclaenodon puercensis'
'Phenacodus hemiconus belongs to Phenacodus'
'Phenacodus laticuneus is recombined as Hyopsodus laticuneus'
'Phenacodus macropternus belongs to Phenacodus'
'Phenacodus nuniensis belongs to Phenacodus'
'Phenacodus omnivorus belongs to Phenacodus'
'Phenacodus primaeous is corrected as Phenacodus primaevus and belongs to Phenacodus'
'Phenacodus puercensis is recombined as Tetraclaenodon puercensis'
'Phenacodus sulcatus belongs to Phenacodus'
'Phenacodus trilobatus is a subjective synonym of Phenacodus primaevus'
'Phenacodus zuniensis is a subjective synonym of Tricentes subtrigonus'
'Phlaocyon belongs to Procyoninae'
'Phlaocyon leucosteus belongs to Phlaocyon'
'Phlegethontia belongs to Molgophidae'
'Phlegethontia linearis belongs to Phlegethontia'
'Phlegethontia serpens belongs to Phlegethontia'
'Phlegethontiidae is a subjective synonym of Molgophidae'
'Phlyctaenacanthus belongs to Ichthyodorulites'
'Phlyctaenacanthus telleri belongs to Phlyctaenacanthus' according to Eastman 1898
'Phlyctaenacanthus telleri belongs to Phlyctaenacanthus'
'Phlyctaenaspis belongs to Coccosteinae'
'Phlyctaenius is replaced by Phlyctaenaspis'
'Phoca belongs to Phocidae'
'Phoca carcinophaga is recombined as Lobodon carcinophaga'
'Phoca cristata is recombined as Cystophora cristata'
'Phoca debilis is recombined as Squalodon debilis'
'Phoca groenlandica belongs to Phoca'
'Phoca modesta is recombined as Squalodon modestus'
'Phoca rosmarus is recombined as Odobenus rosmarus'
'Phoca stelleri is recombined as Eumetopias stelleri'
'Phoca vitulina belongs to Phoca'
'Phoca wymani belongs to Phoca'
'Phocadae is corrected as Phocidae and belongs to Pinnipedia'
'Phocageneus is a subjective synonym of Delphinodon'
'Phocageneus venustus is recombined as Delphinodon venustus'
'Phocodon is a subjective synonym of Squalodon'
'Phoebodus belongs to Cladodontidae'
'Phoebodus politus belongs to Phoebodus' according to Newberry 1899
'Phoebodus politus belongs to Phoebodus'
'Phoebodus sophiae belongs to Phoebodus'
'Phoenicopteridae belongs to Phoenicopteroidea'
'Phoenicopteroidea belongs to Chenomorphae'
'Phoenicopterus belongs to Phoenicopteridae'
'Phoenicopterus copei belongs to Phoenicopterus'
'Phoenicopterus ruber belongs to Phoenicopterus'
'Pholidophoridae belongs to Isospondyli'
'Pholidophorus belongs to Pholidophoridae'
'Pholidophorus americanus belongs to Pholidophorus'
'Pholidophorus bechei belongs to Pholidophorus'
'Phthinobranchii belongs to Actinopteri'
'Phyllodus belongs to Labridae'
'Phyllodus curvidens belongs to Phyllodus'
'Phyllodus elegans belongs to Phyllodus'
'Phyllodus hipparionyx belongs to Phyllodus' according to Eastman 1900
'Phyllodus hipparionyx belongs to Phyllodus'
'Phyllolepidae belongs to Arthrodira'
'Phyllolepis belongs to Phyllolepidae'
'Phyllolepis concentrica belongs to Phyllolepis'
'Phyllolepis delicatula belongs to Phyllolepis' according to Newberry 1889
'Phyllolepis delicatula belongs to Phyllolepis'
'Physeter belongs to Physeterinae'
'Physeter antiquus is a subjective synonym of Physeter vetus'
'Physeter macrocephalus belongs to Physeter'
'Physeteridae belongs to Odontocete'
'Physeterinae belongs to Physeteridae'
'Physonemus belongs to Ichthyodorulites'
'Physonemus altonensis is recombined as Stethacanthus altonensis'
'Physonemus arcuatus belongs to Physonemus'
'Physonemus carinatus belongs to Physonemus' according to Saint John and Worthen 1875
'Physonemus carinatus belongs to Physonemus'
'Physonemus chesterensis belongs to Physonemus'
'Physonemus depressus belongs to Physonemus'
'Physonemus gigas belongs to Physonemus' according to Newberry and Worthen 1870
'Physonemus gigas belongs to Physonemus'
'Physonemus parvulus belongs to Physonemus'
'Physonemus proclivus belongs to Physonemus'
'Physonemus stellatus belongs to Physonemus' according to Newberry 1889
'Physonemus stellatus belongs to Physonemus'
'Phytosauridae belongs to Parasuchia'
'Phytosaurus belongs to Phytosauridae'
'Phytosaurus cylindricodon belongs to Phytosaurus'
'Picariae belongs to Euornithes'
'Piciformes is a subjective synonym of Picariae'
'Pilosa is a subjective synonym of Xenarthra'
'Pinnipedia was reranked as a suborder and belongs to Ferae'
'Pipistrellus belongs to Vespertilionidae'
'Piptomerus belongs to Elasmosauridae'
'Piptomerus hexagonus belongs to Piptomerus'
'Piptomerus megaloporus belongs to Piptomerus'
'Piptomerus microporus belongs to Piptomerus'
'Piratosaurus belongs to Plesiosauridae'
'Piratosaurus plicatus belongs to Piratosaurus'
'Pisces belongs to Vertebrata'
'Pithecistes is a subjective synonym of Cyclopidius'
'Pithecistes brevifacies is recombined as Cyclopidius brevifacies'
'Pithecistes decedens is recombined as Cyclopidius decedens'
'Placodermi was reranked as a superorder and belongs to Azygostei'
'Placosauridae is a subjective synonym of Anguidae'
'Placosaurus belongs to Anguidae'
'Placosaurus rugosus belongs to Placosaurus'
'Plagiaulacidae belongs to Allotheria'
'Plagiaulacinae belongs to Plagiaulacidae'
'Plagiaulax belongs to Plagiaulacinae'
'Plagiaulax becklesii belongs to Plagiaulax'
'Plagiostomi was reranked as the subclass Plagiostomata and belongs to Elasmobranchii'
'Plastomenidae belongs to Trionychia'
'Plastomenus belongs to Plastomenidae'
'Plastomenus coalescens is recombined as Trionyx coalescens'
'Plastomenus communis belongs to Plastomenus'
'Plastomenus corrugatus belongs to Plastomenus'
'Plastomenus costatus belongs to Plastomenus'
'Plastomenus fractus belongs to Plastomenus'
'Plastomenus insignis belongs to Plastomenus'
'Plastomenus lachrymalis belongs to Plastomenus'
'Plastomenus punctulatus belongs to Plastomenus'
'Plastomenus serialis belongs to Plastomenus'
'Platacodon belongs to Stagodontidae'
'Platacodon nanus belongs to Platacodon'
'Platanistina was reranked as the family Platanistidae and belongs to Odontocete'
'Platanistinae belongs to Platanistidae'
'Platax belongs to Carangidae'
'Platecarpinae belongs to Mosasauridae'
'Platecarpus belongs to Platecarpinae'
'Platecarpus clidastoides is recombined as Lestosaurus clidastoides'
'Platecarpus oxyrhinus is recombined as Lestosaurus oxyrhinus'
'Platecarpus tuberosus is recombined as Neptunochelys tuberosa'
'Platecarpus tympaniticus belongs to Platecarpus'
'Platemys sulcatus is recombined as Taphrosphys sulcatus'
'Platygonus belongs to Tayassuinae'
'Platygonus bicalcaratus belongs to Platygonus'
'Platygonus compressus belongs to Platygonus'
'Platygonus condoni belongs to Platygonus'
'Platygonus leptorhinus belongs to Platygonus'
'Platygonus rex belongs to Platygonus'
'Platygonus striatus belongs to Platygonus'
'Platygonus vetus belongs to Platygonus'
'Platygonus ziegleri belongs to Platygonus'
'Platyodus belongs to Cochliodontidae'
'Platyodus lineatus belongs to Platyodus' according to Newberry 1875
'Platyodus lineatus belongs to Platyodus'
'Platypterna digitigrada belongs to Platypterna'
'Platypterna gracillima belongs to Platypterna'
'Platyrhachis belongs to Amphisbaenidae'
'Platyrhachis coloradoensis belongs to Platyrhachis'
'Platyrhachis rhambastes belongs to Platyrhachis'
'Platysomidae belongs to Chondrostei'
'Platysomus belongs to Platysomidae'
'Platysomus circularis belongs to Platysomus'
'Platysomus lacovianus belongs to Platysomus' according to Cope 1891
'Platysomus lacovianus belongs to Platysomus'
'Platysomus orbicularis belongs to Platysomus'
'Platysomus palmaris belongs to Platysomus'
'Platystegos belongs to Dendrerpetontidae'
'Platystegos loricatum belongs to Platystegos' according to Dawson 1895
'Platystegos loricatum belongs to Platystegos'
'Platyxystrodus belongs to Cochliodontidae'
'Plautus belongs to Alcidae'
'Plectognathi belongs to Actinopteri'
'Plectospondyli belongs to Actinopteri'
'Plectropterna elegans belongs to Plectropterna'
'Plectropterna gracilis belongs to Plectropterna'
'Plectropterna lineans belongs to Plectropterna'
'Plesiarctomys buccatus is recombined as Paramys buccatus'
'Plesiarctomys sciuroides is recombined as Paramys sciuroides'
'Plesiochelyidae belongs to Pleurodira'
'Plesiochelys belongs to Plesiochelyidae'
'Plesiochelys belviderensis belongs to Plesiochelys'
'Plesiochelys solodurensis belongs to Plesiochelys'
'Plesiornis giganteus belongs to Plesiornis'
'Plesiornis mirabilis belongs to Plesiornis'
'Plesiornis pilulatus belongs to Plesiornis'
'Plesiosauria belongs to Reptilia'
'Plesiosauridae belongs to Plesiosauria'
'Plesiosaurus belongs to Plesiosauridae'
'Plesiosaurus brevifemur belongs to Plesiosaurus'
'Plesiosaurus dolichodeirus belongs to Plesiosaurus'
'Plesiosaurus gouldii belongs to Plesiosaurus'
'Plesiosaurus gulo belongs to Plesiosaurus'
'Plesiosaurus lockwoodii belongs to Plesiosaurus'
'Plesiosaurus mudgei belongs to Plesiosaurus'
'Plesiosaurus shirleyensis belongs to Plesiosaurus'
'Pleuracanthidae belongs to Pleuracanthides'
'Pleuracanthides belongs to Ichthyotomi'
'Pleuracanthus belongs to Pleuracanthidae'
'Pleuracanthus arcuatus belongs to Pleuracanthus'
'Pleuracanthus biserialis belongs to Pleuracanthus' according to Newberry 1856
'Pleuracanthus biserialis belongs to Pleuracanthus'
'Pleuracanthus dilatatus belongs to Pleuracanthus' according to Newberry 1856
'Pleuracanthus dilatatus belongs to Pleuracanthus'
'Pleuracanthus laevissimus belongs to Pleuracanthus'
'Pleurocoelidae is a subjective synonym of Morosauridae'
'Pleurocoelus belongs to Morosauridae'
'Pleurocoelus altus belongs to Pleurocoelus'
'Pleurocoelus montanus belongs to Pleurocoelus'
'Pleurocoelus nanus belongs to Pleurocoelus'
'Pleurodira was reranked as a superfamily and belongs to Thecophora'
'Pleurolicus belongs to Geomyidae'
'Pleurolicus diplophysus belongs to Pleurolicus'
'Pleurolicus leptophrys belongs to Pleurolicus'
'Pleurolicus sulcifrons belongs to Pleurolicus'
'Pleuropterygii is corrected as Pleuropterygia and belongs to Ichthyotomi'
'Pleuroptyx belongs to Microsauria'
'Pleuroptyx clavatus belongs to Pleuroptyx'
'Pleurosternidae belongs to Pleurodira'
'Pleurosternum pectorale is recombined as Adocus pectoralis'
'Pliauchenia belongs to Miolabinae'
'Pliauchenia humphreysiana belongs to Pliauchenia'
'Pliauchenia media is a subjective synonym of Procamelus minor'
'Pliauchenia minima belongs to Pliauchenia'
'Pliauchenia spatula belongs to Pliauchenia'
'Pliauchenia vulcanorum belongs to Pliauchenia'
'Plinthicus belongs to Myliobatidae'
'Plinthicus stenodon belongs to Plinthicus'
'Pliogonodon belongs to Goniopholidae'
'Pliogonodon priscus belongs to Pliogonodon'
'Pliohippus belongs to Equinae'
'Pliohippus gracilis belongs to Pliohippus'
'Pliohippus pernix belongs to Pliohippus'
'Pliohippus robustus belongs to Pliohippus'
'Pliolophus belongs to Hyracotheriinae'
'Pliolophus vulpiceps belongs to Pliolophus'
'Plioplarchus belongs to Percidae'
'Plioplarchus septemspinosus belongs to Plioplarchus' according to Cope 1889
'Plioplarchus septemspinosus belongs to Plioplarchus'
'Plioplarchus sexspinosus belongs to Plioplarchus' according to Cope 1883
'Plioplarchus sexspinosus belongs to Plioplarchus'
'Plioplarchus whitei belongs to Plioplarchus' according to Cope 1883
'Plioplarchus whitei belongs to Plioplarchus'
'Pneumatoarthrus belongs to Trachodontidae'
'Pneumatoarthrus peloreus belongs to Pneumatoarthrus'
'Pneumatosteus is a subjective synonym of Lepisosteus'
'Pneumatosteus nahunticus is recombined as Lepisosteus nahunticus'
'Pneumatosteus nahunticus belongs to Pneumatosteus' according to Cope 1869
'Pnigeacanthus is a subjective synonym of Oracanthus'
'Pnigeacanthus trigonalis belongs to Pnigeacanthus' according to Saint John and Worthen 1883
'Pnigeacanthus trigonalis is recombined as Oracanthus trigonalis'
'Podiceps holbollii [misspelled as Colymbus holboelii] belongs to Colymbus'
'Podiceps nigricollis is recombined as Colymbus nigricollis'
'Podiceps occidentalis is recombined as Aechmophorus occidentalis'
'Podilymbus belongs to Colymbidae'
'Poebrotheriinae belongs to Camelidae'
'Poebrotherium belongs to Poebrotheriinae'
'Poebrotherium eximium belongs to Poebrotherium'
'Poebrotherium labiatum belongs to Poebrotherium'
'Poebrotherium sternbergii is recombined as Protomeryx sternbergii'
'Poebrotherium wilsoni belongs to Poebrotherium'
'Poeciliidae belongs to Haplomi'
'Poecilodus belongs to Cochliodontidae'
'Poecilodus carbonarius belongs to Poecilodus' according to Saint John and Worthen 1883
'Poecilodus carbonarius belongs to Poecilodus'
'Poecilodus cestriensis belongs to Poecilodus' according to Saint John and Worthen 1883
'Poecilodus cestriensis belongs to Poecilodus'
'Poecilodus convolutus belongs to Poecilodus' according to Newberry and Worthen 1870
'Poecilodus convolutus belongs to Poecilodus'
'Poecilodus jonesii belongs to Poecilodus'
'Poecilodus rugosus is recombined as Chitinodus rugosus'
'Poecilodus sanctiludovici belongs to Poecilodus' according to Saint John and Worthen 1883
'Poecilodus sanctiludovici belongs to Poecilodus'
'Poecilodus springeri belongs to Poecilodus' according to Saint John and Worthen 1883
'Poecilodus springeri belongs to Poecilodus'
'Poecilodus varsoviensis belongs to Poecilodus' according to Saint John and Worthen 1883
'Poecilodus varsoviensis belongs to Poecilodus'
'Poecilodus wortheni belongs to Poecilodus' according to Saint John 1883
'Poecilodus wortheni belongs to Poecilodus'
'Poekilopleuron is a subjective synonym of Megalosaurus'
'Pogonias belongs to Sciaenidae'
'Pogonias cromis belongs to Pogonias'
'Pogonias multidentatus belongs to Pogonias'
'Pogonodon is a subjective synonym of Deinictis'
'Poicilopleuron valens is recombined as Antrodemus valens'
'Polemarchus gigas belongs to Polemarchus'
'Polycotylus belongs to Elasmosauridae'
'Polycotylus latipinnis belongs to Polycotylus'
'Polydectes belongs to Crocodylidae'
'Polydectes biturgidus belongs to Polydectes'
'Polygonodon belongs to Tylosaurinae'
'Polygonodon audax is recombined as Portheus audax'
'Polygonodon rectus belongs to Polygonodon'
'Polygonodon vetus belongs to Polygonodon'
'Polymastodon belongs to Polymastodontinae'
'Polymastodon attenuatus belongs to Polymastodon'
'Polymastodon latimolis belongs to Polymastodon'
'Polymastodon selenodus belongs to Polymastodon'
'Polymastodon taoensis belongs to Polymastodon'
'Polymastodontidae was reranked as the subfamily Polymastodontinae and belongs to Plagiaulacidae'
'Polyodontidae belongs to Chondrostei'
'Polyonax is a subjective synonym of Agathaumas'
'Polyonax mortuarius is recombined as Agathaumas mortuarius'
'Polyprotodonta was reranked as the suborder Polyprotodontia and belongs to Marsupialia'
'Polyptchodon rugosus is recombined as Crocodylus rugosus'
'Polyrhizodus belongs to Petalodontidae'
'Polyrhizodus amplus belongs to Polyrhizodus'
'Polyrhizodus carbonarius belongs to Polyrhizodus'
'Polyrhizodus carbonarius belongs to Polyrhizodus' according to Saint John and Worthen 1875
'Polyrhizodus dentatus belongs to Polyrhizodus' according to Newberry and Worthen 1866
'Polyrhizodus dentatus belongs to Polyrhizodus'
'Polyrhizodus littoni belongs to Polyrhizodus'
'Polyrhizodus modestus belongs to Polyrhizodus' according to Newberry 1875
'Polyrhizodus modestus belongs to Polyrhizodus'
'Polyrhizodus nanus belongs to Polyrhizodus' according to Saint John and Worthen 1875
'Polyrhizodus nanus belongs to Polyrhizodus'
'Polyrhizodus piasaensis belongs to Polyrhizodus' according to Saint John and Worthen 1875
'Polyrhizodus piasaensis belongs to Polyrhizodus'
'Polyrhizodus ponticulus belongs to Polyrhizodus' according to Newberry and Worthen 1866
'Polyrhizodus ponticulus belongs to Polyrhizodus'
'Polyrhizodus porosus belongs to Polyrhizodus' according to Newberry and Worthen 1866
'Polyrhizodus porosus belongs to Polyrhizodus'
'Polyrhizodus truncatus belongs to Polyrhizodus' according to Newberry and Worthen 1870
'Polyrhizodus truncatus belongs to Polyrhizodus'
'Polyrhizodus williamsi belongs to Polyrhizodus'
'Polythorax belongs to Pleurosternidae'
'Polythorax missuriensis belongs to Polythorax'
'Pomacentridae belongs to Pharyngognathi'
'Ponerichthys is a subjective synonym of Dinichthys'
'Pontobasileus belongs to Basilosauridae'
'Pontobasileus tuberculatus belongs to Pontobasileus'
'Pontogeneus is a subjective synonym of Dorudon'
'Pontogeneus priscus is a subjective synonym of Dorudon serratus'
'Portheus belongs to Ichthyodectinae'
'Portheus angulatus is recombined as Protosphyraena angulata'
'Portheus arcuatus is recombined as Gillicus arcuatus'
'Portheus gladius belongs to Portheus' according to Cope 1878
'Portheus gladius is recombined as Protosphyraena gladius'
'Portheus lestrio belongs to Portheus' according to Cope 1873
'Portheus lestrio belongs to Portheus'
'Portheus lowii belongs to Portheus' according to Stewart 1898
'Portheus lowii belongs to Portheus'
'Portheus molossus belongs to Portheus'
'Portheus mudgei belongs to Portheus'
'Potamotherium [misspelled as Pomatotherium] belongs to Lutrinae'
'Praotherium palatinum is recombined as Ochotona palatinus'
'Predentata is a subjective synonym of Orthopoda'
'Priacodon belongs to Triconodontinae'
'Priconodon belongs to Stegosauridae'
'Priconodon crassus belongs to Priconodon'
'Primates belongs to Monodelphia'
'Prionace was reranked as Carcharhinus (Prionace) and belongs to Carcharhinus'
'Priscacara belongs to Pomacentridae'
'Priscacara clivosa belongs to Priscacara'
'Priscacara cypha belongs to Priscacara'
'Priscacara hypsacantha belongs to Priscacara' according to Cope 1886
'Priscacara hypsacantha belongs to Priscacara'
'Priscacara liops belongs to Priscacara'
'Priscacara oxyprion belongs to Priscacara'
'Priscacara pealei belongs to Priscacara'
'Priscacara serrata belongs to Priscacara'
'Priscacara testudinaria belongs to Priscacara' according to Cope 1877
'Priscacara testudinaria belongs to Priscacara'
'Priscodelphinus belongs to Platanistinae'
'Priscodelphinus acutidens is recombined as Champsodelphis acutidens'
'Priscodelphinus atropius is recombined as Ixacanthus atropius'
'Priscodelphinus grandaevus belongs to Priscodelphinus'
'Priscodelphinus harlani belongs to Priscodelphinus'
'Priscodelphinus spinosus is recombined as Ixacanthus spinosus'
'Priscodelphinus stenus is recombined as Ixacanthus stenus'
'Pristacanthus vetustus is recombined as Apateacanthus vetustus'
'Pristicladodus dentatus is a subjective synonym of Carcharopsis prototypus'
'Pristicladodus springeri belongs to Pristicladodus' according to Saint John and Worthen 1875
'Pristicladodus springeri is recombined as Pternodus springeri' according to Garman 1885
'Pristicladodus springeri is recombined as Phoebodus springeri'
'Pristidae belongs to Pachyura'
'Pristis belongs to Pristidae'
'Pristis agassizi belongs to Pristis' according to Gibbes 1847
'Pristis agassizi belongs to Pristis'
'Pristis amblodon belongs to Pristis'
'Pristis antiquorum belongs to Pristis' according to Latham 1794
'Pristis antiquorum belongs to Pristis'
'Pristis attenuatus belongs to Pristis'
'Pristis attenuatus belongs to Pristis' according to Cope 1869
'Pristis brachyodon belongs to Pristis'
'Pristis curvidens belongs to Pristis'
'Pristis ensidens belongs to Pristis'
'Pristodus acuminatus belongs to Pristodus' according to Saint John and Worthen 1875
'Pristodus acuminatus is recombined as Ctenoptychius acuminatus'
'Proballostomus belongs to Isospondyli'
'Proballostomus longulus belongs to Proballostomus' according to Cope 1891
'Proballostomus longulus belongs to Proballostomus'
'Proboscidea was reranked as a order and belongs to Monodelphia'
'Procamelus belongs to Miolabinae'
'Procamelus altus belongs to Procamelus'
'Procamelus angustidens belongs to Procamelus'
'Procamelus fissidens belongs to Procamelus'
'Procamelus gracilis belongs to Procamelus'
'Procamelus heterodontus belongs to Procamelus'
'Procamelus lacustris belongs to Procamelus'
'Procamelus leptognathus belongs to Procamelus'
'Procamelus madisonius belongs to Procamelus'
'Procamelus occidentalis belongs to Procamelus'
'Procamelus robustus belongs to Procamelus'
'Procellaria puffinus is recombined as Puffinus puffinus'
'Procellariidae belongs to Procellaroidea'
'Procellaroidea belongs to Cecomorphae'
'Prochonias is a subjective synonym of Taphrosphys'
'Prochonias princeps belongs to Prochonias' according to Cope 1869
'Prochonias princeps is a subjective synonym of Taphrosphys strenuus'
'Procynodictis belongs to Uintacyonidae'
'Procynodictis vulpiceps belongs to Procynodictis'
'Procyon belongs to Procyoninae'
'Procyon priscus belongs to Procyon'
'Procyonidae belongs to Arctoidea'
'Procyoninae belongs to Procyonidae'
'Prodaphaenus belongs to Uintacyonidae'
'Prodaphaenus scotti belongs to Prodaphaenus'
'Prohyaena is a subjective synonym of Aelurodon'
'Propleuridae is a subjective synonym of Thalassemydidae'
'Prorastomidae belongs to Sirenia'
'Prorastomus belongs to Prorastomidae'
'Proroziphius chonops belongs to Proroziphius'
'Proroziphius macrops belongs to Proroziphius'
'Prosimiae belongs to Primates'
'Prosinopa belongs to Mixodectidae'
'Prospiraxis belongs to Ichthyodorulites'
'Protagras belongs to Boidae'
'Protagras lacustris belongs to Protagras'
'Protagriochoerus belongs to Agriochoerinae'
'Protagriochoerus annectens belongs to Protagriochoerus'
'Protapirus belongs to Tapiridae'
'Protapirus obliquidens belongs to Protapirus'
'Protapirus priscus belongs to Protapirus'
'Protapirus simplex belongs to Protapirus'
'Protapirus validus belongs to Protapirus'
'Protautoga belongs to Labridae'
'Protelotherium belongs to Achaenodontinae'
'Protelotherium uintense belongs to Protelotherium'
'Proteosauridae belongs to Ichthyosauria'
'Proteosaurus belongs to Proteosauridae'
'Prothyracodon is a subjective synonym of Triplopus'
'Prothyracodon intermedium is a subjective synonym of Triplopus obliquidens'
'Protobalaena is replaced by Rhegnopsis'
'Protocamelus virginiensis is recombined as Procamelus virginiensis'
'Protocatostomus belongs to Catostominae'
'Protocatostomus constablei belongs to Protocatostomus'
'Protoceras belongs to Protoceratinae'
'Protoceras celer belongs to Protoceras'
'Protoceras comptus belongs to Protoceras'
'Protoceras nasutus belongs to Protoceras'
'Protoceratinae belongs to Agriochoeridae'
'Protochoerus is a subjective synonym of Platygonus'
'Protochoerus prismaticus is a subjective synonym of Platygonus compressus'
'Protochriacus is a subjective synonym of Loxolophus'
'Protochriacus attenuatus is recombined as Loxolophus attenuatus'
'Protodonta belongs to Prototheria'
'Protodus belongs to Pleuracanthidae'
'Protodus jexi belongs to Protodus'
'Protogaulus is a subjective synonym of Allomys'
'Protogonia is replaced by Euprotogonia'
'Protogonia plicifera is a subjective synonym of Tetraclaenodon puercensis'
'Protogonia subquadrata is recombined as Tetraclaenodon subquadratus'
'Protogonia zuniensis is a subjective synonym of Tetraclaenodon minor'
'Protogonodon belongs to Phenacodontidae'
'Protogonodon stenognathus belongs to Protogonodon'
'Protohippus avus is recombined as Merychippus avus'
'Protohippus castilli is recombined as Merychippus castilli'
'Protohippus fossulatus is recombined as Merychippus fossulatus'
'Protohippus labrosus is recombined as Merychippus labrosus'
'Protohippus lenticularis is recombined as Merychippus lenticularis'
'Protohippus pachyops is recombined as Merychippus pachyops'
'Protohippus placidus is recombined as Merychippus placidus'
'Protohippus sejunctus is recombined as Merychippus sejunctus'
'Protohippus supremus is recombined as Merychippus supremus'
'Protolabis is a subjective synonym of Procamelus'
'Protolabis montanus is recombined as Procamelus montanus'
'Protolabis prehensilis is a subjective synonym of Procamelus robustus'
'Protolabis transmontanus is recombined as Miolabis transmontanus'
'Protolambda belongs to Amblypoda'
'Protolambda hatcheri belongs to Protolambda'
'Protomeryx belongs to Poebrotheriinae'
'Protomeryx halli belongs to Protomeryx'
'Protopsalis is a subjective synonym of Patriofelis'
'Protopsalis tigrinus is recombined as Patriofelis tigrina'
'Protoptychidae is a subjective synonym of Geomyidae'
'Protoptychus belongs to Geomyidae'
'Protoptychus hatcheri belongs to Protoptychus'
'Protoreodon belongs to Protoreodontinae'
'Protoreodon minor belongs to Protoreodon'
'Protoreodon parvus belongs to Protoreodon'
'Protoreodontinae belongs to Agriochoeridae'
'Protorohippus belongs to Hyracotheriinae'
'Protoselene belongs to Mioclaenidae'
'Protosorex belongs to Soricidae'
'Protosorex crassus belongs to Protosorex'
'Protosphyraena belongs to Pachycormidae'
'Protosphyraena bentoniana belongs to Protosphyraena'
'Protosphyraena gigas belongs to Protosphyraena' according to Stewart 1899
'Protosphyraena gigas belongs to Protosphyraena'
'Protosphyraena obliquidens belongs to Protosphyraena' according to Loomis 1900
'Protosphyraena obliquidens belongs to Protosphyraena'
'Protosphyraena occidentalis belongs to Protosphyraena' according to Stewart 1898
'Protosphyraena occidentalis belongs to Protosphyraena'
'Protosphyraena recurvirostris belongs to Protosphyraena'
'Protosphyraena recurvirostris belongs to Protosphyraena' according to Stewart 1896
'Protosphyraena tenuis belongs to Protosphyraena' according to Loomis 1900
'Protosphyraena tenuis belongs to Protosphyraena'
'Protosphyraenidae is a subjective synonym of Pachycormidae'
'Protospondyli is a subjective synonym of Halecomorphi'
'Protostega belongs to Protostegidae'
'Protostega gigas belongs to Protostega'
'Protostega neptunia is an objective synonym of Atlantochelys mortoni'
'Protostegidae belongs to Cryptodira'
'Prototheria belongs to Mammalia'
'Prototomus is a subjective synonym of Stypolophus'
'Prototomus insidiosus is recombined as Apheliscus insidiosus'
'Prototomus jarrovii is recombined as Pelycodus jarrovii'
'Prototomus multicuspis is recombined as Stypolophus multicuspis'
'Prototomus secundarius is recombined as Stypolophus secundarius'
'Prototomus strenuus is recombined as Stypolophus strenuus'
'Prototomus viverrinus is recombined as Stypolophus viverrinus'
'Protoziphius is corrected as Proroziphius and belongs to Ziphiinae'
'Protritonidae belongs to Microsauria'
'Protylopus belongs to Poebrotheriinae'
'Protylopus petersoni belongs to Protylopus'
'Proviverra belongs to Proviverridae'
'Proviverra americana belongs to Proviverra'
'Proviverra typica belongs to Proviverra'
'Proviverrinae was reranked as the family Proviverridae and belongs to Creodonta'
'Psammodontidae belongs to Petalodontoidea'
'Psammodus belongs to Psammodontidae'
'Psammodus angularis belongs to Psammodus' according to Newberry and Worthen 1866
'Psammodus angularis belongs to Psammodus'
'Psammodus caelatus belongs to Psammodus' according to Saint John and Worthen 1893
'Psammodus caelatus belongs to Psammodus'
'Psammodus contortus is recombined as Cochliodus contortus'
'Psammodus crassidens belongs to Psammodus' according to Saint John and Worthen 1883
'Psammodus crassidens belongs to Psammodus'
'Psammodus gibberulus is recombined as Helodus gibberulus'
'Psammodus glyptus belongs to Psammodus' according to Saint John and Worthen 1883
'Psammodus glyptus belongs to Psammodus'
'Psammodus grandis belongs to Psammodus' according to Saint John and Worthen 1883
'Psammodus grandis belongs to Psammodus'
'Psammodus linearis is recombined as Chomatodus linearis'
'Psammodus lovianus belongs to Psammodus' according to Saint John and Worthen 1883
'Psammodus lovianus belongs to Psammodus'
'Psammodus plenus belongs to Psammodus' according to Saint John and Worthen 1883
'Psammodus plenus belongs to Psammodus'
'Psammodus reticulatus belongs to Psammodus' according to Newberry and Worthen 1866
'Psammodus reticulatus belongs to Psammodus'
'Psammodus rugosus belongs to Psammodus'
'Psammodus springeri belongs to Psammodus' according to Saint John and Worthen 1883
'Psammodus springeri belongs to Psammodus'
'Psammodus tumidus belongs to Psammodus' according to Saint John and Worthen 1883
'Psammodus tumidus belongs to Psammodus'
'Psammodus turgidus belongs to Psammodus' according to Saint John and Worthen 1883
'Psammodus turgidus belongs to Psammodus'
'Psammomys pinetorum is recombined as Microtus pinetorum'
'Psephodus belongs to Cochliodontidae'
'Psephodus latus belongs to Psephodus'
'Psephodus latus belongs to Psephodus' according to Saint John and Worthen 1883
'Psephodus lunulatus belongs to Psephodus' according to Saint John and Worthen 1883
'Psephodus lunulatus belongs to Psephodus'
'Psephodus obliquus belongs to Psephodus' according to Saint John and Worthen 1883
'Psephodus obliquus belongs to Psephodus'
'Psephodus politus belongs to Psephodus' according to Newberry 1897
'Psephodus politus belongs to Psephodus'
'Psephodus reticulatus belongs to Psephodus' according to Saint John and Worthen 1875
'Psephodus reticulatus belongs to Psephodus'
'Psephodus symmetricus belongs to Psephodus' according to Saint John and Worthen 1883
'Psephodus symmetricus belongs to Psephodus'
'Pseudaelurus belongs to Felinae'
'Pseudemys bisornatus is recombined as Trachemys bisornata'
'Pseudemys hillii is recombined as Trachemys hilli'
'Pseudothryptodus is a subjective synonym of Anogmius'
'Pseudothryptodus intermedius belongs to Pseudothryptodus' according to Loomis 1900
'Pseudothryptodus intermedius is recombined as Anogmius intermedius'
'Pseudotomus is a subjective synonym of Paramys'
'Pseudotomus hians is recombined as Paramys hians'
'Psittacotherium belongs to Stylinodontidae'
'Psittacotherium multifragum belongs to Psittacotherium'
'Pteranodon belongs to Pteranodontidae'
'Pteranodon comptus belongs to Pteranodon'
'Pteranodon gracilis is recombined as Nyctosaurus gracilis'
'Pteranodon longiceps belongs to Pteranodon'
'Pteranodon nanus belongs to Pteranodon'
'Pteranodontidae belongs to Pterosauri'
'Pteraspididae [misspelled as Pteraspidae] belongs to Heterostraci'
'Pteraspis belongs to Pteraspidae'
'Pteraspis acadica belongs to Pteraspis' according to Matthew 1886
'Pteraspis acadica is recombined as Cyathaspis acadica'
'Pteraspis banksi is recombined as Cyathaspis banksi'
'Pterichthyodes belongs to Asterolepidae'
'Pterichthys milleri is recombined as Pterichthyodes milleri'
'Pterichthys rugosus is recombined as Holonema rugosum'
'Pternodus is a subjective synonym of Phoebodus'
'Pterodactylidae is replaced by Ornithocephalidae'
'Pterodactylus is a subjective synonym of Ornithocephalus'
'Pterodactylus ingens is recombined as Pteranodon ingens'
'Pterodactylus longispinis is recombined as Rhabdopelix longispinis'
'Pterodactylus montanus is recombined as Dermodactylus montanus'
'Pterodactylus occidentalis is recombined as Pteranodon occidentalis'
'Pterodactylus oweni is a subjective synonym of Pteranodon occidentalis'
'Pterodactylus velox is recombined as Pteranodon velox'
'Pteromyinae belongs to Sciuridae'
'Pteropappi belongs to Odontotormae'
'Pteropelyx belongs to Iguanodontidae'
'Pteropelyx grallipes belongs to Pteropelyx'
'Pterosauria is corrected as Pterosauri and belongs to Reptilia'
'Pterosphenus belongs to Palaeophidae'
'Pterosphenus schucherti belongs to Pterosphenus'
'Ptilodus belongs to Plagiaulacinae'
'Ptilodus mediaevus belongs to Ptilodus'
'Ptilodus trovessartianus [misspelled as Ptilodus trouessartianus] belongs to Ptilodus'
'Ptychodontidae belongs to Masticura'
'Ptychodus belongs to Ptychodontidae'
'Ptychodus anonymus belongs to Ptychodus' according to Williston 1900
'Ptychodus anonymus belongs to Ptychodus'
'Ptychodus decurrens belongs to Ptychodus'
'Ptychodus mammillaris belongs to Ptychodus'
'Ptychodus martini belongs to Ptychodus'
'Ptychodus martini belongs to Ptychodus' according to Williston 1900
'Ptychodus mortoni is recombined as Hemiptychodus mortoni'
'Ptychodus occidentalis belongs to Ptychodus' according to Leidy 1868
'Ptychodus occidentalis belongs to Ptychodus'
'Ptychodus papillosus belongs to Ptychodus' according to Cope 1875
'Ptychodus papillosus belongs to Ptychodus'
'Ptychodus parvulus belongs to Ptychodus' according to Whiteaves 1889
'Ptychodus parvulus belongs to Ptychodus'
'Ptychodus polygyrus belongs to Ptychodus'
'Ptychodus whipplei belongs to Ptychodus'
'Ptycholepis belongs to Isopholidae'
'Ptycholepis bollensis belongs to Ptycholepis'
'Ptycholepis marshi belongs to Ptycholepis' according to Newberry 1878
'Ptycholepis marshi is corrected as Ptycholepis marshii and belongs to Ptycholepis'
'Ptyctodontidae belongs to Chimaeroidea'
'Ptyctodus belongs to Ptyctodontidae'
'Ptyctodus compressus belongs to Ptyctodus' according to Eastman 1898
'Ptyctodus compressus belongs to Ptyctodus'
'Ptyctodus ferox belongs to Ptyctodus' according to Eastman 1898
'Ptyctodus ferox belongs to Ptyctodus'
'Ptyctodus obliquus belongs to Ptyctodus'
'Ptyctodus obliquus belongs to Ptyctodus' according to Pander 1858
'Ptyoniidae belongs to Microsauria'
'Ptyonius belongs to Ptyoniidae'
'Ptyonius nummifer belongs to Ptyonius' according to Cope 1875
'Ptyonius nummifer belongs to Ptyonius'
'Ptyonodus is a subjective synonym of Sagenodus'
'Puffinus belongs to Procellariidae'
'Puffinus conradi belongs to Puffinus'
'Puppigerus belongs to Cheloniidae'
'Putorius belongs to Mustelinae'
'Putorius vison belongs to Putorius'
'Pycnodontes is corrected as Pycnodontidae and belongs to Pycnodonti'
'Pycnodonti belongs to Actinopteri'
'Pycnodus belongs to Pycnodontidae'
'Pycnodus carolinensis belongs to Pycnodus' according to Emmons 1858
'Pycnodus carolinensis belongs to Pycnodus'
'Pycnodus phaseolus belongs to Pycnodus'
'Pycnodus robustus belongs to Pycnodus' according to Leidy 1857
'Pycnodus robustus belongs to Pycnodus'
'Pygopodes is a subjective synonym of Cecomorphae'
'Pygopterus belongs to Palaeoniscidae'
'Pygopterus humboldti belongs to Pygopterus'
'Pygopterus mandibularis is a subjective synonym of Pygopterus humboldti'
'Pygopterus scutellatus is recombined as Sauropleura scutellata'
'Pythonomorpha was reranked as a suborder and belongs to Squamata'
'Rabdiolepis belongs to Megalichthyidae'
'Rabdiolepis elegans belongs to Rabdiolepis' according to Emmons 1860
'Rabdiolepis elegans is recombined as Elonichthys elegans'
'Rabdiolepis specious is corrected as Rabdiolepis speciosa and belongs to Rabdiolepis'
'Raja belongs to Rajidae'
'Raja aquila is recombined as Myliobatis aquila'
'Raja batis belongs to Raja'
'Raja dux belongs to Raja'
'Raja narinari is recombined as Aetobatus narinari'
'Dasyatis pastinica is a subjective synonym of Dasyatis ujus'
'Rajae belongs to Selacha'
'Rajidae belongs to Pachyura'
'Rallidae belongs to Gruioidea'
'Rana belongs to Ranidae'
'Rana temporaria belongs to Rana'
'Rangifer belongs to Cervinae'
'Raniceps lyelli is recombined as Pelion lyellii'
'Ranidae belongs to Salientia'
'Raptores was reranked as a order and belongs to Euornithes'
'Ratitae is a subjective synonym of Dromaeognathae'
'Redfieldius belongs to Dictyopygidae'
'Reptilia belongs to Vertebrata'
'Rhabdofario belongs to Salmonidae'
'Rhabdofario lacustris belongs to Rhabdofario' according to Cope 1870
'Rhabdofario lacustris belongs to Rhabdofario'
'Rhabdopelix belongs to Champsosauridae'
'Rhabdosteus belongs to Platanistinae'
'Rhabdosteus latiradix belongs to Rhabdosteus'
'Rhachitomus is a subjective synonym of Eryops'
'Rhachitomus valens belongs to Rhachitomus' according to Cope 1878
'Rhachitomus valens is a subjective synonym of Eryops megacephalus'
'Rhadinacanthus is a subjective synonym of Diplacanthus'
'Rhadinichthys belongs to Palaeoniscidae'
'Rhamphosaurus is replaced by Tylosaurus'
'Rhegnopsis belongs to Balaenidae'
'Rhineastes belongs to Siluridae'
'Rhineastes arcuatus belongs to Rhineastes' according to Cope 1873
'Rhineastes arcuatus belongs to Rhineastes'
'Rhineastes calvus belongs to Rhineastes' according to Cope 1873
'Rhineastes calvus belongs to Rhineastes'
'Rhineastes pectinatus belongs to Rhineastes' according to Cope 1874
'Rhineastes pectinatus belongs to Rhineastes'
'Rhineastes peltatus belongs to Rhineastes'
'Rhineastes radulus belongs to Rhineastes' according to Cope 1873
'Rhineastes radulus belongs to Rhineastes'
'Rhineastes rhaeas belongs to Rhineastes'
'Rhineastes smithii belongs to Rhineastes'
'Rhineura belongs to Amphisbaenidae'
'Rhineura hatcherii belongs to Rhineura'
'Rhinoceros belongs to Rhinocerotinae'
'Menodus americanus is a subjective synonym of Megacerops coloradensis'
'Rhinoceros annectens is recombined as Diceratherium annectens'
'Rhinoceros crassus is recombined as Aphelops crassus'
'Rhinoceros hesperius is recombined as Diceratherium hesperium'
'Rhinoceros incisivus is recombined as Aceratherium incisivus'
'Rhinoceros matutinus is recombined as Aphelops matutinus'
'Rhinoceros meridianus is recombined as Aphelops meridianus'
'Rhinoceros nebraskensis is recombined as Hyracodon nebraskensis'
'Rhinoceros occidentalis is recombined as Caenopus occidentalis'
'Rhinoceros oregonensis is recombined as Diceratherium oregonense'
'Rhinoceros pacificus is recombined as Diceratherium pacificum'
'Rhinoceros proterus is a subjective synonym of Teleoceras fossiger'
'Rhinocerotidae belongs to Rhinocerotoidea'
'Rhinocerotinae belongs to Rhinocerotidae'
'Rhinocerotoidea belongs to Perissodactyla'
'Rhinoptera belongs to Myliobatidae'
'Rhinosaurus is replaced by Tylosaurus'
'Rhinosaurus micromus is recombined as Tylosaurus micromus'
'Rhipidistia was reranked as a superorder and belongs to Teleostomi'
'Rhiptoglossi belongs to Squamata'
'Rhizodopsis belongs to Megalichthyidae'
'Rhizodopsis mazonius belongs to Rhizodopsis' according to Hay 1900
'Rhizodopsis mazonius belongs to Rhizodopsis'
'Rhizodus anceps belongs to Rhizodus' according to Newberry 1888
'Rhizodus anceps is recombined as Megalichthys anceps'
'Rhizodus angustus belongs to Rhizodus' according to Newberry 1856
'Rhizodus angustus is recombined as Megalichthys angustus'
'Rhizodus hardingi is recombined as Strepsodus hardingi'
'Rhizodus incurvus belongs to Rhizodus' according to Newberry 1856
'Rhizodus incurvus is recombined as Megalichthys incurvus'
'Rhizodus lancifer is recombined as Megalichthys lancifer'
'Rhizodus occidentalis is recombined as Sagenodus occidentalis'
'Rhizodus quadratus belongs to Rhizodus' according to Newberry 1873
'Rhizodus quadratus is recombined as Sagenodus quadratus'
'Rhizodus reticulatus belongs to Rhizodus' according to Newberry and Worthen 1870
'Rhizodus reticulatus is recombined as Sagenodus reticulatus'
'Rhizoprion is a subjective synonym of Squalodon'
'Rhynchocephalia belongs to Reptilia'
'Rhynchodus belongs to Ptyctodontidae'
'Rhynchodus crassus belongs to Rhynchodus' according to Newberry 1873
'Rhynchodus crassus is recombined as Palaeomylus crassus'
'Rhynchodus excavatus belongs to Rhynchodus' according to Newberry 1877
'Rhynchodus excavatus belongs to Rhynchodus'
'Rhynchodus frangens is recombined as Palaeomylus frangens'
'Rhynchodus frangens belongs to Rhynchodus' according to Newberry 1878
'Rhynchodus greenei belongs to Rhynchodus' according to Newberry 1889
'Rhynchodus greenei is recombined as Palaeomylus greenei'
'Rhynchodus occidentalis belongs to Rhynchodus' according to Newberry 1878
'Rhynchodus occidentalis belongs to Rhynchodus'
'Rhynchodus secans belongs to Rhynchodus' according to Newberry 1873
'Rhynchodus secans belongs to Rhynchodus'
'Rhytidodon rostratus is recombined as Phytosaurus rostratus'
'Rhytina is a subjective synonym of Hydrodamalis'
'Rhytina borealis belongs to Rhytina' according to Brandt 1849
'Rhytina borealis is a subjective synonym of Hydrodamalis gigas'
'Rhytina stellerus is a subjective synonym of Hydrodamalis gigas'
'Rhytinidae is a subjective synonym of Hydrodamalidae'
'Rinodus calceolus belongs to Rinodus' according to Newberry and Worthen 1866
'Rinodus calceolus is recombined as Ptyctodus calceolus'
'Rodentia is a subjective synonym of Glires'
'Rosmaridae is a subjective synonym of Odobenidae'
'Rutilus belongs to Cyprininae'
'Rutilus condonianus belongs to Rutilus' according to Cope 1883
'Rutilus condonianus belongs to Rutilus'
'Rutiodon is a subjective synonym of Phytosaurus'
'Rutiodon carolinensis is recombined as Phytosaurus carolinensis'
'Saccomyidae is a subjective synonym of Geomyidae'
'Sagenodus belongs to Ctenodontidae'
'Sagenodus copeanus belongs to Sagenodus'
'Sagenodus foliatus belongs to Sagenodus'
'Sagenodus inaequalis belongs to Sagenodus'
'Sagenodus jugosus belongs to Sagenodus' according to Hay 1900
'Sagenodus jugosus belongs to Sagenodus'
'Sagenodus lacovianus belongs to Sagenodus'
'Sagenodus quincunciatus belongs to Sagenodus'
'Sagenodus textilis belongs to Sagenodus'
'Salamandroides giganteus is recombined as Mastodonsaurus giganteus'
'Salientia belongs to Batrachia'
'Salmonidae belongs to Isospondyli'
'Sandalodus belongs to Cochliodontidae'
'Sandalodus angustus belongs to Sandalodus'
'Sandalodus carbonarius is recombined as Orthopleurodus carbonarius' according to Saint John and Worthen 1883
'Orthopleurodus carbonarius is a subjective synonym of Orthopleurodus angularis'
'Sandalodus elllipticus belongs to Sandalodus'
'Sandalodus elllipticus belongs to Sandalodus' according to Newberry 1897
'Sandalodus parvulus belongs to Sandalodus' according to Newberry and Worthen 1866
'Sandalodus parvulus belongs to Sandalodus'
'Saniva major is recombined as Saniwa major'
'Saniwa belongs to Anguidae'
'Saniwa ensidens belongs to Saniwa'
'Sarcolemur belongs to Limnotheriidae'
'Sarcothraustes belongs to Triisodontidae'
'Sarcothraustes antiquus belongs to Sarcothraustes'
'Sarcothraustes coryphaeus is a subjective synonym of Triisodon heilprinianus'
'Sardinius belongs to Clupeidae'
'Sardinius blackburnii belongs to Sardinius' according to Cope 1891
'Sardinius blackburnii belongs to Sardinius'
'Sardinius lineatus belongs to Sardinius'
'Sardinius nasutulus belongs to Sardinius'
'Sardinius percrassus belongs to Sardinius'
'Sauranodon is replaced by Baptanodon'
'Sauranodon natans is recombined as Baptanodon natans'
'Sauranodontidae is replaced by Baptanodontidae'
'Sauria was reranked as a suborder and belongs to Squamata'
'Sauripterus belongs to Megalichthyidae'
'Sauripterus taylori belongs to Sauripterus'
'Sauriurae is corrected as Saururae and belongs to Aves'
'Saurocephalidae was reranked as the subfamily Saurocephalinae and belongs to Chirocentridae'
'Saurocephalus belongs to Saurocephalinae'
'Saurocephalus arapahovius belongs to Saurocephalus' according to Cope 1872
'Saurocephalus arapahovius belongs to Saurocephalus'
'Saurocephalus dentatus belongs to Saurocephalus' according to Stewart 1898
'Saurocephalus dentatus belongs to Saurocephalus'
'Saurocephalus lanciformis belongs to Saurocephalus'
'Saurocephalus pamphagus belongs to Saurocephalus' according to Hay 1899
'Saurocephalus pamphagus belongs to Saurocephalus'
'Saurocephalus phlebotomus belongs to Saurocephalus'
'Saurocephalus prognathus is recombined as Ichthyodectes prognathus'
'Saurocephalus prognathus belongs to Saurocephalus' according to Cope 1870
'Saurocephalus thaumas is recombined as Portheus thaumas'
'Saurocetus belongs to Basilosauridae'
'Saurocetus gibbesii belongs to Saurocetus'
'Saurodon is a subjective synonym of Saurocephalus'
'Saurodon ferox belongs to Saurodon' according to Stewart 1898
'Saurodon ferox is recombined as Saurocephalus ferox'
'Saurodon leanus is recombined as Saurocephalus leanus'
'Saurodon pygmaeus belongs to Saurodon' according to Loomis 1900
'Saurodon pygmaeus is recombined as Saurocephalus pygmaeus'
'Saurodon xiphirostris belongs to Saurodon' according to Stewart 1898
'Saurodon xiphirostris is recombined as Saurocephalus xiphirostris'
'Saurodontidae is a subjective synonym of Chirocentridae'
'Sauroidichnites abnormis is recombined as Typopus abnormis'
'Sauroidichnites baileyi is recombined as Triaenopus baileyanus'
'Sauroidichnites barrattii is recombined as Sauropus barrattii'
'Sauroidichnites deweyi is recombined as Batrachopus deweyanus'
'Triaenopus emmonsianus is a subjective synonym of Triaenopus baileyanus'
'Sauroidichnites heteroclitus is recombined as Ancyropus heteroclitus'
'Ancyropus jacksonianus is a subjective synonym of Ancyropus heteroclitus'
'Plectropus longipes is a subjective synonym of Plectropterna minitans'
'Sauroidichnites minitans is recombined as Plectropterna minitans'
'Sauroidichnites palmatus is a subjective synonym of Palamopus anomalus'
'Sauroidichnites polemarchius is a subjective synonym of Polemarchus gigas'
'Sauroidichnites tenuissimus is recombined as Harpedactylus tenuissimus'
'Sauropleura belongs to Sauropleuridae'
'Sauropleura digitata belongs to Sauropleura'
'Sauropleura latithorax belongs to Sauropleura'
'Sauropleura longipes is recombined as Tuditanus longipes'
'Sauropleura newberryi belongs to Sauropleura'
'Sauropleura pectinata is recombined as Ptyonius pectinatus'
'Sauropleura remex is recombined as Oestocephalus remex'
'Sauropleuridae belongs to Apoecospondyli'
'Sauropoda is a subjective synonym of Opisthocoelia'
'Sauropterygia is a subjective synonym of Plesiosauria'
'Sauropus is replaced by Palaeosauropus'
'Sauropus antiquior belongs to Sauropus' according to Dawson 1882
'Sauropus antiquior is recombined as Palaeosauropus antiquior'
'Sauropus primaevus is recombined as Palaeosauropus primaevus'
'Sauropus sydnensis is recombined as Palaeosauropus sydenensis'
'Sauropus unguifer is recombined as Palaeosauropus unguifer'
'Scalops belongs to Talpidae'
'Scapherpeton belongs to Urodela'
'Scapherpeton excisum belongs to Scapherpeton'
'Scapherpeton favosum belongs to Scapherpeton'
'Scapherpeton laticolle belongs to Scapherpeton'
'Scapherpeton tectum belongs to Scapherpeton'
'Scaumenacia belongs to Phaneropleuridae'
'Glyptodon typus is a subjective synonym of Glyptodon reticulatus'
'Sciaenoidea belongs to Pharyngognathi'
'Sciaenoidei was reranked as the family Sciaenidae and belongs to Sciaenoidea'
'Scienoides is a subjective synonym of Sciaenidae'
'Sciuravus nitidus is recombined as Paramys nitidus'
'Sciuravus parvidens is recombined as Paramys parvidens'
'Sciuravus undans is recombined as Paramys undans'
'Sciuridae belongs to Sciuromorpha'
'Sciurinae belongs to Sciuridae'
'Sciuromorpha was reranked as a superfamily and belongs to Simplicidentata'
'Sciurus belongs to Sciurinae'
'Sciurus ballovianus belongs to Sciurus'
'Sciurus calycinus belongs to Sciurus' according to Cope 1871
'Sciurus calycinus belongs to Sciurus'
'Sciurus carolinensis belongs to Sciurus'
'Sciurus panolius belongs to Sciurus' according to Cope 1869
'Sciurus panolius belongs to Sciurus'
'Sciurus striatus is recombined as Tamias striatus'
'Sciurus vortmani belongs to Sciurus'
'Sciurus vulgaris belongs to Sciurus'
'Sclerodermi belongs to Plectognathi'
'Scolecophagus belongs to Icteridae'
'Scolecophagus affinis belongs to Scolecophagus'
'Scolopacidae belongs to Scolopacoidea'
'Scolopacoidea belongs to Grallae'
'Scombroidea belongs to Pharyngognathi'
'Scorpaenidae belongs to Scorpaenoidea'
'Scorpaenoidei was reranked as the superfamily Scorpaenoidea and belongs to Pareiopliteae'
'Scyliorhinidae is corrected as Scylliorhinidae and belongs to Galeoidea'
'Scyliorhininae [misspelled as Scylliorhininae] belongs to Scylliorhinidae'
'Scyliorhinus [misspelled as Scylliorhinus] belongs to Scylliorhininae'
'Scyllium gracilis belongs to Scyllium' according to Williston 1900
'Scyllium gracilis is recombined as Scylliorhinus gracilis'
'Scyllium planidens belongs to Scyllium' according to Williston 1900
'Scyllium planidens is recombined as Scylliorhinus planidens'
'Scyllium rugosus belongs to Scyllium' according to Williston 1900
'Scyllium rugosus is recombined as Scylliorhinus rugosus'
'Scymnorhinus belongs to Somniosidae'
'Scymnus lichia belongs to Scymnus' according to Cuvier 1817
'Scymnus lichia is recombined as Scymnorhinus lichia'
'Scymnus occidentalis is recombined as Scymnorhinus occidentalis'
'Sebastodes belongs to Scorpaenidae'
'Sebastodes rosae belongs to Sebastodes'
'Selachii is corrected as Selacha and belongs to Euselachii'
'Selenacodon is a subjective synonym of Meniscoessus'
'Selenacodon brevis is recombined as Meniscoessus brevis'
'Selenacodon fragilis is recombined as Meniscoessus fragilis'
'Selenichnus breviusculus belongs to Selenichnus'
'Selenichnus falcatus belongs to Selenichnus'
'Semionotidae is a subjective synonym of Lepidotidae'
'Semionotus belongs to Lepidotidae'
'Semionotus bergeri belongs to Semionotus'
'Semotilus bairdii belongs to Semotilus' according to Cope 1870
'Semotilus bairdii is recombined as Leuciscus bairdii'
'Semotilus poeticus belongs to Semotilus' according to Cope 1870
'Semotilus poeticus is recombined as Leuciscus poeticus'
'Serpentes was reranked as a suborder and belongs to Squamata'
'Shastasaurus belongs to Baptanodontidae'
'Shastasaurus pacificus belongs to Shastasaurus'
'Shepardia palmipes belongs to Shepardia'
'Sicarius is a subjective synonym of Petalodus'
'Sicarius extinctus belongs to Sicarius' according to Leidy 1856
'Sicarius extinctus is a subjective synonym of Petalodus hastingsiae'
'Sigmodontinae is a subjective synonym of Cricetinae'
'Sigmogomphius belongs to Castoridae'
'Sigmogomphius lecontei belongs to Sigmogomphius'
'Siluridae belongs to Nematognathi'
'Simocyoninae belongs to Canidae'
'Simplicidentata belongs to Glires'
'Sinopa is a subjective synonym of Stypolophus'
'Sinopa eximia is recombined as Prosinopa eximia'
'Sinopa rapax is recombined as Stypolophus rapax'
'Siphonocetus belongs to Balaenidae'
'Siphonocetus clarkianus belongs to Siphonocetus'
'Sirenia was reranked as a order and belongs to Monodelphia'
'Sirenoidei belongs to Dipnoi'
'Sironectes belongs to Platecarpinae'
'Sironectes anguliferus belongs to Sironectes'
'Smilerpeton belongs to Hylonomidae'
'Smilodon belongs to Machairodontinae'
'Smilodon gracilis is recombined as Machairodus gracilis'
'Smilodon populator belongs to Smilodon'
'Somniosidae belongs to Squaloidea'
'Sorex aquaticus is recombined as Scalops aquaticus'
'Sorex brevicaudus is recombined as Blarina brevicaudus'
'Soricidae belongs to Insectivora'
'Spalacotheriidae was reranked as the subfamily Spalacotheriinae and belongs to Triconodontidae'
'Spaniodon belongs to Clupeidae'
'Spaniodon blondelii [misspelled as Spaniodon blondellii] belongs to Spaniodon'
'Spaniodon simus belongs to Spaniodon'
'Sparidae belongs to Percoidea'
'Sparodus belongs to Protritonidae'
'Sparodus validus belongs to Sparodus'
'Spatula belongs to Anatidae'
'Sphagepoea belongs to Chimaeridae'
'Sphagepoea aciculata belongs to Sphagepoea' according to Cope 1869
'Sphagepoea aciculata belongs to Sphagepoea'
'Sphargididae is a subjective synonym of Dermochelyidae'
'Sphenacodon belongs to Clepsydropidae'
'Sphenacodon ferox belongs to Sphenacodon'
'Sphenocoelus belongs to Chalicotheriidae'
'Sphenocoelus uintensis belongs to Sphenocoelus'
'Sphenodon belongs to Rhynchocephalia'
'Sphenodon punctatus is corrected as Sphenodon punctata and belongs to Sphenodon'
'Sphenodus belongs to Lamninae'
'Sphenodus rectidens belongs to Sphenodus' according to Emmons 1858
'Sphenodus rectidens belongs to Sphenodus'
'Sphenophorus is replaced by Oestophorus'
'Sphenophorus lilleyi belongs to Sphenophorus' according to Newberry 1889
'Sphenophorus lilleyi is recombined as Oestophorus lilleyi'
'Sphenosaurus is a subjective synonym of Thoracosaurus'
'Sphyraena belongs to Sphyraenidae'
'Sphyraena major belongs to Sphyraena' according to Leidy 1855
'Sphyraena major belongs to Sphyraena'
'Sphyraena speciosa is recombined as Dictyodus speciosus'
'Sphyraenidae belongs to Percesoces'
'Sphyraenodus is a subjective synonym of Dictyodus'
'Sphyraenodus silovianus is recombined as Dictyodus silovianus'
'Sphyrna belongs to Sphyrninae'
'Sphyrna gibbesii belongs to Sphyrna'
'Sphyrna lata belongs to Sphyrna'
'Sphyrna magna belongs to Sphyrna'
'Sphyrna prisca belongs to Sphyrna'
'Sphyrnidae was reranked as the subfamily Sphyrninae and belongs to Galeidae'
'Spilogale belongs to Melinae'
'Spiraxis major belongs to Spiraxis' according to Newberry 1885
'Spiraxis major is recombined as Prospiraxis major'
'Spiraxis randallii belongs to Spiraxis' according to Newberry 1885
'Spiraxis randallii is recombined as Prospiraxis randallii'
'Sporetodus janevaii is recombined as Ptychodus janevaii'
'Squali belongs to Selacha'
'Squalius is a subjective synonym of Leuciscus'
'Squalius reddingi belongs to Squalius' according to Cope 1883
'Squalius reddingi is recombined as Leuciscus reddingi'
'Squalodon belongs to Squalodontidae'
'Squalodon grateloupii belongs to Squalodon'
'Squalodon mento is recombined as Delphinodon mento'
'Squalodon pelagius belongs to Squalodon'
'Squalodon tiedemani belongs to Squalodon'
'Delphinodon wymani is replaced by Delphinodon leidyi'
'Squalodontidae belongs to Odontocete'
'Squaloidea belongs to Squali'
'Squalus auriculatus is recombined as Carcharodon auriculatus'
'Squalus carcharias is recombined as Carcharodon carcharias'
'Squalus cinereus is recombined as Heptranchias cinereus'
'Squalus cinereus belongs to Squalus' according to Gmelin 1789
'Squalus cirratus belongs to Squalus' according to Gmelin 1789
'Squalus cirratus is recombined as Ginglymostoma cirratum'
'Squalus cornubicus belongs to Squalus' according to Gmelin 1789
'Squalus cornubicus is recombined as Lamna cornubicus'
'Squalus galeus is recombined as Galeorhinus galeus'
'Squalus pristis is a subjective synonym of Pristis antiquorum'
'Squalus spinosus belongs to Squalus' according to Gmelin 1789
'Squalus spinosus is recombined as Echinorhinus spinosus'
'Squalus zygaena is recombined as Sphyrna zygaena'
'Squamata belongs to Reptilia'
'Squamipennes [misspelled as Squamipinnes] belongs to Percomorphi'
'Stagodon belongs to Stagodontidae'
'Stagodon nitor belongs to Stagodon'
'Stagodon tumidus belongs to Stagodon'
'Stagodon validus belongs to Stagodon'
'Stagodontidae belongs to Polyprotodontia'
'Steganopodes was reranked as a order and belongs to Euornithes'
'Stegocephali belongs to Batrachia'
'Stegomus belongs to Aetosauridae'
'Stegomus arcuatus belongs to Stegomus'
'Stegosauria is a subjective synonym of Stegosauroidea'
'Stegosauridae belongs to Stegosauroidea'
'Stegosauroidea belongs to Orthopoda'
'Stegosaurus belongs to Stegosauridae'
'Stegosaurus affinis belongs to Stegosaurus'
'Stegosaurus armatus belongs to Stegosaurus'
'Stegosaurus duplex belongs to Stegosaurus'
'Stegosaurus stenops belongs to Stegosaurus'
'Stegosaurus sulcatus belongs to Stegosaurus'
'Stegosaurus ungulatus belongs to Stegosaurus'
'Stemmatias belongs to Orodontidae'
'Stemmatodus is replaced by Stemmatias'
'Stemmatodus bicristatus is recombined as Stemmatias bicristatus'
'Stemmatodus bifurcatus is recombined as Stemmatias bifurcatus'
'Stemmatodus cheiriformis is recombined as Stemmatias cheiriformis'
'Stemmatodus compactus is recombined as Stemmatias compactus'
'Stemmatodus keokuk is recombined as Stemmatias keokuk'
'Stemmatodus simplex is recombined as Stemmatias simplex'
'Stemmatodus symmetricus is recombined as Stemmatias symmetricus'
'Stenacanthus is a subjective synonym of Bothriolepis'
'Stenacanthus nitida belongs to Stenacanthus' according to Leidy 1856
'Stenacanthus nitida is recombined as Bothriolepis nitida'
'Stenacodon belongs to Limnotheriidae'
'Stenacodon rarus belongs to Stenacodon'
'Steneofiber belongs to Castoridae'
'Steneofiber gradatus belongs to Steneofiber'
'Steneofiber montanus belongs to Steneofiber'
'Steneofiber nebrascensis belongs to Steneofiber'
'Steneofiber pansus belongs to Steneofiber'
'Stenodactylus curvatus belongs to Stenodactylus'
'Stenogale belongs to Mustelinae'
'Stenogale robusta belongs to Stenogale'
'Stenognathus belongs to Dinichthyinae'
'Stenopterodus belongs to Cochliodontidae'
'Stenopterodus elongatus belongs to Stenopterodus' according to Saint John and Worthen 1883
'Stenopterodus elongatus belongs to Stenopterodus'
'Stenopterodus planus belongs to Stenopterodus' according to Saint John and Worthen 1883
'Stenopterodus planus belongs to Stenopterodus'
'Stenorhynchus vetus is recombined as Lobodon vetus'
'Stereodectes is a subjective synonym of Arctomys'
'Stereodectes tortus belongs to Stereodectes' according to Cope 1869
'Stereodectes tortus is recombined as Arctomys tortus'
'Sterna belongs to Laridae'
'Sterna caspia belongs to Sterna'
'Sterna elegans belongs to Sterna'
'Sterna forsteri belongs to Sterna'
'Sterna nigra is recombined as Hydrochelidon nigra'
'Sterna philadelphia is recombined as Larus philadelphia'
'Steropezoum is a subjective synonym of Steropoides'
'Steropoides infelix belongs to Steropoides'
'Sterrholophus belongs to Ceratopsidae'
'Stethacanthus belongs to Ichthyodorulites'
'Stethacanthus compressus belongs to Stethacanthus'
'Stethacanthus productus belongs to Stethacanthus'
'Stethacanthus tumidus belongs to Stethacanthus'
'Stibarus belongs to Leptomerycinae'
'Stibarus obtusilobus belongs to Stibarus'
'Stratodontidae belongs to Isospondyli'
'Stratodus belongs to Stratodontidae'
'Stratodus apicalis belongs to Stratodus'
'Stratodus oxypogon belongs to Stratodus' according to Cope 1877
'Stratodus oxypogon belongs to Stratodus'
'Strepsodus belongs to Megalichthyidae'
'Strepsodus arenosus belongs to Strepsodus' according to Hay 1900
'Strepsodus arenosus belongs to Strepsodus'
'Strepsodus dawsoni belongs to Strepsodus' according to Hay 1900
'Strepsodus dawsoni belongs to Strepsodus'
'Striges belongs to Raptores'
'Strigidae belongs to Striges'
'Strigilina is a subjective synonym of Janassa'
'Strigilina gurleiana belongs to Strigilina' according to Cope 1877
'Strigilina gurleiana is recombined as Janassa gurleiana'
'Strigilina linguaeformis is a subjective synonym of Janassa strigilina'
'Strix bubo is recombined as Bubo bubo'
'Strix virginiana is recombined as Bubo virginianus'
'Stromateus gibbosus is recombined as Platysomus gibbosus'
'Stylacodon belongs to Dryolestidae'
'Stylacodon gracilis belongs to Stylacodon'
'Stylacodon validus belongs to Stylacodon'
'Stylemys belongs to Testudinidae'
'Stylemys nebrascensis belongs to Stylemys'
'Stylemys oregonensis belongs to Stylemys'
'Stylinodon belongs to Stylinodontidae'
'Stylinodon mirus belongs to Stylinodon'
'Stylinodontidae belongs to Taeniodonta'
'Stylonus seversus is recombined as Hipparion seversum'
'Stypolophus belongs to Proviverridae'
'Stypolophus bicuspis is recombined as Palaeictops bicuspis'
'Stypolophus brevicolcarabus is corrected as Stypolophus brevicalcaratus and belongs to Stypolophus'
'Stypolophus hians belongs to Stypolophus'
'Stypolophus insectivorus belongs to Stypolophus'
'Stypolophus pungens belongs to Stypolophus'
'Stypolophus whitiae [misspelled as Stypolophus whiteae] belongs to Stypolophus'
'Styptobasis belongs to Cladodontidae'
'Styptobasis aculeata belongs to Styptobasis'
'Styptobasis knightiana belongs to Styptobasis'
'Suchoprion belongs to Megalosauridae'
'Suchoprion cyphodon belongs to Suchoprion'
'Suchoprion sulcidens belongs to Suchoprion' according to E. D. Cope 1878
'Suchoprion sulcidens belongs to Suchoprion'
'Suidae belongs to Suoidea'
'Suinae belongs to Suidae'
'Sula belongs to Sulidae'
'Sula loxostyla belongs to Sula'
'Sulidae belongs to Pelecanoidea'
'Suoidea belongs to Artiodactyla'
'Sus belongs to Suinae'
'Sus americanus is a subjective synonym of Bison latifrons'
'Sus hydrochaeris is recombined as Hydrochoerus hydrochaeris'
'Sus scrofa belongs to Sus'
'Sus tajacu is recombined as Tayassu tajacu'
'Sycium belongs to Microtinae'
'Syllaemus belongs to Mugilidae'
'Syllaemus latifrons belongs to Syllaemus' according to Cope 1875
'Syllaemus latifrons belongs to Syllaemus'
'Syllomus belongs to Thalassemydidae'
'Syllomus crispatus belongs to Syllomus'
'Syllophodus is a subjective synonym of Mysops'
'Symborodon belongs to Brontotheriinae'
'Symborodon bucco is recombined as Brontotherium bucco'
'Symborodon hypoceras is recombined as Brontotherium hypoceras'
'Symborodon torvus belongs to Symborodon'
'Symborodon trigonoceras is recombined as Titanotherium trigonoceras'
'Symmorium belongs to Cladodontidae'
'Symmorium reniforme belongs to Symmorium'
'Symphyrophus belongs to Morosauridae'
'Symphyrophus musculosus belongs to Symphyrophus'
'Synconodon belongs to Amblypoda'
'Synconodon sexicuspis [misspelled as Synconodon sexcuspis] belongs to Synconodon'
'Synoplotherium is a subjective synonym of Mesonyx'
'Synoplotherium lanius is recombined as Mesonyx lanius'
'Syntegmodus belongs to Albulidae'
'Syntegmodus altus belongs to Syntegmodus' according to Loomis 1900
'Syntegmodus altus belongs to Syntegmodus'
'Synthetodus belongs to Ceratodontidae'
'Synthetodus trisulcatus belongs to Synthetodus' according to Eastman 1896
'Synthetodus trisulcatus belongs to Synthetodus'
'Systemodon is a subjective synonym of Eohippus'
'Systemodon primaevus is recombined as Homogalax primaevus'
'Systemodon protapirinum is recombined as Homogalax protapirinus'
'Systemodon semihians is recombined as Homogalax semihians'
'Taeniodonta was reranked as a suborder and belongs to Bruta'
'Taeniodus obliquus belongs to Taeniodus' according to Saint John and Worthen 1883
'Taeniodus obliquus is recombined as Deltodus obliquus'
'Taeniodus regularis belongs to Taeniodus' according to Saint John and Worthen 1883
'Taeniodus regularis is recombined as Psephodus regularis'
'Taeniolabis belongs to Polymastodontinae'
'Taeniolabis sulcatus belongs to Taeniolabis'
'Taligrada belongs to Amblypoda'
'Talpavus belongs to Talpidae'
'Talpavus nitidus belongs to Talpavus'
'Talpini was reranked as the family Talpidae and belongs to Insectivora'
'Tamias belongs to Sciurinae'
'Tamias laevidens belongs to Tamias' according to Cope 1869
'Tamias laevidens belongs to Tamias'
'Tamiobatidae belongs to Pachyura'
'Tamiobatis belongs to Tamiobatidae'
'Tamiobatis vetustus belongs to Tamiobatis'
'Tanaodus belongs to Petalodontidae'
'Tanaodus bellcinctus belongs to Tanaodus'
'Tanaodus bellcinctus belongs to Tanaodus' according to Saint John and Worthen 1875
'Tanaodus depressus belongs to Tanaodus' according to Saint John and Worthen 1875
'Tanaodus depressus belongs to Tanaodus'
'Tanaodus grossiplicatus belongs to Tanaodus' according to Saint John and Worthen 1875
'Tanaodus grossiplicatus belongs to Tanaodus'
'Tanaodus polymorphus belongs to Tanaodus' according to Saint John and Worthen 1875
'Tanaodus polymorphus belongs to Tanaodus'
'Tanaodus praenuntius belongs to Tanaodus' according to Saint John and Worthen 1875
'Tanaodus praenuntius belongs to Tanaodus'
'Tanaodus pumilis belongs to Tanaodus'
'Tanaodus pumilis belongs to Tanaodus' according to Saint John and Worthen 1875
'Tanaodus sculptus belongs to Tanaodus' according to Saint John and Worthen 1875
'Tanaodus sculptus belongs to Tanaodus'
'Tanaodus sublunatus belongs to Tanaodus' according to Saint John and Worthen 1875
'Tanaodus sublunatus belongs to Tanaodus'
'Tanyops belongs to Tapiridae'
'Tanyops undans belongs to Tanyops'
'Tanystropheus willistoni is recombined as Coelophysis willistoni'
'Taperidae is corrected as Tapiridae and belongs to Tapiroidea'
'Taphrosaurus is a subjective synonym of Plesiosaurus'
'Taphrosphys belongs to Pelomedusidae'
'Taphrosphys leslianus belongs to Taphrosphys'
'Taphrosphys longinuchus belongs to Taphrosphys'
'Taphrosphys molops belongs to Taphrosphys'
'Taphrosphys nodosus belongs to Taphrosphys'
'Taphrosphys strenuus belongs to Taphrosphys'
'Tapirus americanus is a subjective synonym of Tapirus terrestris'
'Tapiravus belongs to Tapiridae'
'Tapiroidea belongs to Perissodactyla'
'Tapirus belongs to Tapiridae'
'Tapirus mastodontoides is a subjective synonym of Mammut americanum'
'Tarsodactylus caudatus belongs to Tarsodactylus'
'Tarsodactylus expansus belongs to Tarsodactylus'
'Tautoga (Protautoga) conidens is recombined as Protautoga conidens'
'Taxidea belongs to Melinae'
'Taxidea americana is a subjective synonym of Taxidea taxus'
'Taxidea sulcata belongs to Taxidea'
'Taxymys belongs to Ischyromyidae'
'Taxymys lucaris belongs to Taxymys'
'Tayassu belongs to Tayassuinae'
'Tayassuinae belongs to Suidae'
'Tectospondyli is a subjective synonym of Rajae'
'Tegeolepis belongs to Palaeoniscidae'
'Telacodon belongs to Cimolestidae'
'Telacodon laevis belongs to Telacodon'
'Telacodon praestans belongs to Telacodon'
'Teleoceras belongs to Teleoceratinae'
'Teleoceras major is a subjective synonym of Teleoceras fossiger'
'Teleoceratinae belongs to Rhinocerotidae'
'Teleodus belongs to Brontotheriinae'
'Teleodus avus belongs to Teleodus'
'Teleopternus belongs to Camelinae'
'Teleopternus orientalis belongs to Teleopternus'
'Teleostomi was reranked as a subclass and belongs to Pisces'
'Telmalestes belongs to Limnotheriidae'
'Telmalestes crassus belongs to Telmalestes'
'Telmatherium belongs to Lambdotheriinae'
'Telmatherium validus is corrected as Telmatherium validum and belongs to Telmatherium'
'Telmatocyon belongs to Viverravidae'
'Telmatornis belongs to Rallidae'
'Telmatornis affinis belongs to Telmatornis'
'Telmatornis priscus belongs to Telmatornis'
'Telmatotherium cornutum is recombined as Dolichorhinus cornutus'
'Telmatotherium diploconum is recombined as Telmatherium diploconum'
'Temnocyon belongs to Caninae'
'Temnocyon altigenis belongs to Temnocyon'
'Temnocyon coryphaeus is recombined as Mesocyon coryphaeus'
'Temnocyon ferox belongs to Temnocyon'
'Temnocyon josephi is recombined as Mesocyon josephi'
'Temnocyon wallovianus belongs to Temnocyon'
'Terrapene belongs to Emydidae'
'Testudines belongs to Reptilia'
'Testudinidae belongs to Cryptodira'
'Testudo belongs to Testudinidae'
'Testudo (Stylemys) niobrarensis is recombined as Stylemys niobrarensis'
'Testudo amphithorax belongs to Testudo'
'Testudo brontops belongs to Testudo'
'Testudo carolina is recombined as Terrapene carolina'
'Testudo corsoni is recombined as Hadrianus corsoni'
'Testudo crassiscutata belongs to Testudo'
'Testudo culbratus is corrected as Testudo cultrata and belongs to Testudo'
'Testudo duncani is recombined as Chelichnus duncani'
'Testudo gilbertii belongs to Testudo'
'Testudo graeca belongs to Testudo'
'Testudo guttata is recombined as Clemmys guttata'
'Testudo hadrianus is a subjective synonym of Hadrianus corsoni'
'Testudo hexagonata belongs to Testudo'
'Testudo insculpta is recombined as Clemmys insculpta'
'Testudo klettiana belongs to Testudo'
'Testudo lata is a subjective synonym of Stylemys nebrascensis'
'Testudo laticaudata belongs to Testudo'
'Testudo laticuneus is corrected as Testudo laticunea and belongs to Testudo'
'Testudo ligonius is corrected as Testudo ligonia and belongs to Testudo'
'Testudo orbicularis is recombined as Emys orbicularis'
'Testudo pertenius is corrected as Testudo pertenuis and belongs to Testudo'
'Testudo quadratus is corrected as Testudo quadrata and belongs to Testudo'
'Testudo scripta is recombined as Trachemys scripta'
'Testudo serpentina is recombined as Chelydra serpentina'
'Testudo turgida belongs to Testudo'
'Testudo undata belongs to Testudo'
'Tetheodus belongs to Enchodontidae'
'Tetheodus pephredo belongs to Tetheodus'
'Tetraclaenodon belongs to Phenacodontidae'
'Tetralophodon campester is recombined as Mammut campestre'
'Tetrao cupido is recombined as Tympanuchus cupido'
'Tetrao phasianellus is recombined as Pediocaetes phasianellus'
'Tetraonidae belongs to Alectoropodes'
'Thalassemydidae belongs to Cryptodira'
'Thecachampsa is a subjective synonym of Crocodylus'
'Thecachampsa sericodon is recombined as Crocodylus sericodon'
'Thecachampsa serratus is recombined as Crocodylus serratus'
'Thecachampsa sicaria is recombined as Crocodylus sicariaus'
'Thecachampsa squankensis is recombined as Crocodylus squankensis'
'Thecodontosaurus belongs to Anchisauridae'
'Thecodontosaurus gibbidens belongs to Thecodontosaurus'
'Thecophora belongs to Testudines'
'Thenaropus is a subjective synonym of Chirotherium'
'Thenaropus leptodactylus belongs to Thenaropus' according to King 1844
'Thenaropus leptodactylus belongs to Thenaropus'
'Thenaropus ovoidactylus belongs to Thenaropus' according to King 1844
'Thenaropus ovoidactylus belongs to Thenaropus'
'Thenaropus pachydactylus belongs to Thenaropus' according to King 1844
'Thenaropus pachydactylus belongs to Thenaropus'
'Thenaropus sphaerodactylus belongs to Thenaropus' according to King 1844
'Thenaropus sphaerodactylus belongs to Thenaropus'
'Theropleura belongs to Clepsydropidae'
'Theropleura obtusidens belongs to Theropleura'
'Theropleura retroversa belongs to Theropleura'
'Theropleura triangulata belongs to Theropleura'
'Theropleura uniformis belongs to Theropleura'
'Theropoda was reranked as a suborder and belongs to Dinosauria'
'Thespesius belongs to Iguanodontidae'
'Thespesius occidentalis belongs to Thespesius'
'Thinocyon belongs to Uintacyonidae'
'Thinocyon velox belongs to Thinocyon'
'Thinohyus is a subjective synonym of Perchoerus'
'Thinohyus lentus is recombined as Perchoerus lentus'
'Thinohyus nanus is recombined as Perchoerus nanus'
'Thinohyus robustus is recombined as Perchoerus robustus'
'Thinohyus socialis is recombined as Perchoerus socialis'
'Thinohyus trichaenus is recombined as Bothrolabis trichaenus'
'Thinolestes belongs to Limnotheriidae'
'Thinolestes anceps belongs to Thinolestes'
'Thinopus antiquus belongs to Thinopus' according to Marsh 1896
'Thinopus antiquus belongs to Thinopus'
'Thinosaurus belongs to Varanidae'
'Thinosaurus agilis belongs to Thinosaurus'
'Thinosaurus crassus belongs to Thinosaurus'
'Thinosaurus grandis belongs to Thinosaurus'
'Thinosaurus leptodus belongs to Thinosaurus'
'Thinosaurus paucidens belongs to Thinosaurus'
'Thinotherium belongs to Tayassuinae'
'Thinotherium is a subjective synonym of Helohyus'
'Thinotherium annulatum belongs to Thinotherium'
'Thinotherium validum is recombined as Helohyus validus'
'Thlaeodon belongs to Stagodontidae'
'Thlaeodon padanicus belongs to Thlaeodon'
'Thomomys belongs to Geomyidae'
'Thomomys clusius belongs to Thomomys' according to Coues 1875
'Thomomys clusius belongs to Thomomys'
'Thoracodus belongs to Petalodontidae'
'Thoracodus emydinus belongs to Thoracodus'
'Thoracosaurus belongs to Gavialidae'
'Thoracosaurus brevispinus is recombined as Holops brevispinis'
'Thoracosaurus glyptodon is recombined as Holops glyptodon'
'Thoracosaurus grandis is a subjective synonym of Thoracosaurus neocesariensis'
'Thrinacodus belongs to Pleuracanthidae'
'Thrinacodus bicornis belongs to Thrinacodus' according to Newberry 1879
'Thrinacodus bicornis belongs to Thrinacodus'
'Thrinacodus nanus belongs to Thrinacodus'
'Thryptodus is a subjective synonym of Anogmius'
'Thryptodus rotundus is recombined as Anogmius rotundus'
'Thryptodus rotundus belongs to Thryptodus' according to Loomis 1900
'Thryptodus zitteli belongs to Thryptodus' according to Loomis 1900
'Thryptodus zitteli is recombined as Anogmius zitteli'
'Thyrsidium belongs to Microsauria'
'Thyrsidium fasciculare belongs to Thyrsidium' according to Cope 1875
'Thyrsidium fasciculare belongs to Thyrsidium'
'Ticholeptus is a subjective synonym of Merychyus'
'Ticholeptus zygomaticus is recombined as Merychyus zygomaticus'
'Tichosteus belongs to Coeluridae'
'Tichosteus aequifacies belongs to Tichosteus'
'Tichosteus lucasanus belongs to Tichosteus'
'Tillodontia belongs to Monodelphia'
'Tillomys belongs to Ischyromyidae'
'Tillomys parvus belongs to Tillomys'
'Tillomys senex belongs to Tillomys'
'Tillotheriidae is a subjective synonym of Anchippodontidae'
'Tillotherium belongs to Anchippodontidae'
'Tillotherium fodiens belongs to Tillotherium'
'Tillotherium hyracoides belongs to Tillotherium'
'Tillotherium latidens belongs to Tillotherium'
'Tinoceras belongs to Tinoceridae'
'Tinoceras affine belongs to Tinoceras'
'Tinoceras annectens belongs to Tinoceras'
'Tinoceras crassifrons belongs to Tinoceras'
'Tinoceras grande belongs to Tinoceras'
'Tinoceras hians belongs to Tinoceras'
'Tinoceras ingens belongs to Tinoceras'
'Tinoceras jugum belongs to Tinoceras'
'Tinoceras latum belongs to Tinoceras'
'Tinoceras longiceps belongs to Tinoceras'
'Tinoceras pugnax belongs to Tinoceras'
'Tinoceras stenops belongs to Tinoceras'
'Tinoceras vagans belongs to Tinoceras'
'Tinoceratidae is a subjective synonym of Tinoceridae'
'Tinoceridae belongs to Dinocerea'
'Tinodon belongs to Tinodontinae'
'Tinodon bellus belongs to Tinodon'
'Tinodon ferox is recombined as Priacodon ferox'
'Tinodon lepidus belongs to Tinodon'
'Tinodon robustus belongs to Tinodon'
'Tinodontidae was reranked as the subfamily Tinodontinae and belongs to Triconodontidae'
'Tinosaurus belongs to Varanidae'
'Tinosaurus lepidus belongs to Tinosaurus'
'Tinosaurus stenodon belongs to Tinosaurus'
'Titanichthys belongs to Dinichthyinae'
'Titanichthys agassizii belongs to Titanichthys'
'Titanichthys agassizii belongs to Titanichthys' according to Newberry 1885
'Titanichthys attenuatus belongs to Titanichthys' according to Wright 1893
'Titanichthys attenuatus belongs to Titanichthys'
'Titanichthys brevis belongs to Titanichthys' according to Claypole 1896
'Titanichthys brevis belongs to Titanichthys'
'Titanichthys clarkii belongs to Titanichthys' according to Newberry 1887
'Titanichthys clarkii belongs to Titanichthys'
'Titanichthys rectus belongs to Titanichthys' according to Claypole 1893
'Titanichthys rectus belongs to Titanichthys'
'Titanops is a subjective synonym of Brontotherium'
'Titanops curtus is recombined as Brontotherium curtum'
'Titanops elatus is a subjective synonym of Brontotherium gigas'
'Titanops medius is recombined as Brontotherium medium'
'Titanosaurus is replaced by Atlantosaurus'
'Titanosaurus montanus is recombined as Atlantosaurus montanus'
'Titanotheriidae is a subjective synonym of Brontotheriidae'
'Titanotherium belongs to Brontotheriinae'
'Titanotherium anceps is recombined as Tinoceras anceps'
'Titanotherium ramosum is recombined as Brontotherium ramosum'
'Tomarctus belongs to Caninae'
'Tomarctus brevirostris belongs to Tomarctus'
'Tomiopsis belongs to Glyptodontidae'
'Tomiopsis ferruminatus belongs to Tomiopsis' according to Cope 1893
'Tomiopsis ferruminatus belongs to Tomiopsis'
'Tomitherium belongs to Limnotheriidae'
'Tomitherium rostratum belongs to Tomitherium'
'Tomitherium tutum is recombined as Pelycodus tutus'
'Tomodon horrificus is recombined as Diplotomodon horrificus'
'Tomodus is replaced by Icanodus'
'Tomodus convexus is recombined as Icanodus convexus'
'Tomodus limitaris is recombined as Icanodus limitaris'
'Tomolabis is a subjective synonym of Equus'
'Torosaurus belongs to Ceratopsidae'
'Torosaurus gladius belongs to Torosaurus'
'Torosaurus latus belongs to Torosaurus'
'Toxaspis anguillulatus is recombined as Terrapene anguillulata'
'Toxichnus inaequalis belongs to Toxichnus'
'Toxochelyidae belongs to Cryptodira'
'Toxochelys belongs to Toxochelyidae'
'Toxochelys brachyrhinus belongs to Toxochelys'
'Toxochelys latiremis belongs to Toxochelys'
'Toxochelys serrifer belongs to Toxochelys'
'Trachemys belongs to Emydidae'
'Trachodon belongs to Trachodontidae'
'Trachodon longiceps belongs to Trachodon'
'Trachodon mirabilis belongs to Trachodon'
'Trachodontidae belongs to Iguanodontoidea'
'Trachosteus belongs to Dinichthyinae'
'Trachosteus clarkii belongs to Trachosteus' according to Newberry 1889
'Trachosteus clarkii belongs to Trachosteus'
'Tragulidae belongs to Traguloidea'
'Traguloidea was reranked as a superfamily and belongs to Artiodactyla'
'Tretosphys is a subjective synonym of Priscodelphinus'
'Tretosphys uraeus is recombined as Priscodelphinus uraeus'
'Tretulias belongs to Balaenidae'
'Tretulias buccatus belongs to Tretulias'
'Triacodon belongs to Proviverridae'
'Triacodon aculeatus is recombined as Stypolophus aculeatus'
'Triacodon fallax belongs to Triacodon'
'Triacodon grandis belongs to Triacodon'
'Triacodon nanus belongs to Triacodon'
'Triaenaspis belongs to Dercetidae'
'Triaenaspis virgulatus belongs to Triaenaspis' according to Cope 1878
'Triaenaspis virgulatus belongs to Triaenaspis'
'Triaenopus leptodactylus is a subjective synonym of Triaenopus baileyanus'
'Tricentes belongs to Oxyclaenidae'
'Tricentes crassicollidens belongs to Tricentes'
'Tricentes inaequidens is recombined as Ellipsodon inaequidens'
'Triceratops belongs to Ceratopsidae'
'Triceratops calicornis belongs to Triceratops'
'Triceratops elatus belongs to Triceratops'
'Triceratops flabellatus is recombined as Sterrholophus flabellatus'
'Triceratops galeus belongs to Triceratops'
'Triceratops obtusus belongs to Triceratops'
'Triceratops prorsus belongs to Triceratops'
'Triceratops serratus belongs to Triceratops'
'Triceratops sulcatus belongs to Triceratops'
'Trichechidae is a subjective synonym of Odobenidae'
'Trichechus is a subjective synonym of Odobenus'
'Trichechus belongs to Trichechidae'
'Trichechus manatus belongs to Trichechus'
'Rosmarus obesus is a subjective synonym of Odobenus virginianus'
'Trichecidae is corrected as Trichechidae and belongs to Sirenia'
'Trichiuridae belongs to Scombroidea'
'Trichiurus belongs to Trichiuridae'
'Trichiurus lepturus belongs to Trichiurus'
'Trichophanes belongs to Aphredoderidae'
'Trichophanes copei belongs to Trichophanes'
'Trichophanes foliarum belongs to Trichophanes'
'Trichophanes hians belongs to Trichophanes'
'Tricium is a subjective synonym of Palaeolagus'
'Tricium avunculus is a subjective synonym of Palaeolagus haydeni'
'Tricium leporinum is recombined as Palaeolagus leporinus'
'Tricium paniense is a subjective synonym of Palaeolagus turgidus'
'Triconodon belongs to Triconodontinae'
'Triconodon bisulcus belongs to Triconodon'
'Triconodon mordax belongs to Triconodon'
'Triconodontidae belongs to Polyprotodontia'
'Triconodontinae belongs to Triconodontidae'
'Tridentipes is a subjective synonym of Steropoides'
'Tridentipes insignis is a subjective synonym of Steropoides loripes'
'Tridentipes uncus is recombined as Steropoides uncus'
'Trigonias belongs to Diceratheriinae'
'Trigonias osborni belongs to Trigonias'
'Trigonodus minor belongs to Trigonodus' according to Newberry and Worthen 1866
'Trigonodus minor is recombined as Sandalodus minor'
'Trigonolestes belongs to Pantolestidae'
'Trihamus elegans belongs to Trihamus'
'Trihamus magnus belongs to Trihamus'
'Triisodon belongs to Triisodontidae'
'Triisodon assurgens is recombined as Microclaenodon assurgens'
'Triisodon biculminatus is a subjective synonym of Triisodon heilprinianus'
'Triisodon conidens is a subjective synonym of Sarcothraustes antiquus'
'Triisodon heilprinianus belongs to Triisodon'
'Triisodon levisianus is recombined as Goniacodon levisanus'
'Triisodon quivirensis belongs to Triisodon'
'Triisodon rusticus is a subjective synonym of Triisodon heilprinianus'
'Triisodontidae belongs to Creodonta'
'Trilobites bituminosus is recombined as Janassa bituminosus'
'Trimerodus is a subjective synonym of Leptomeryx'
'Trimerodus cedrensis is a subjective synonym of Leptomeryx evansi'
'Trimerorhachidae is a subjective synonym of Archegosauridae'
'Trimerorhachis belongs to Archegosauridae'
'Trimerorhachis bilobatus belongs to Trimerorhachis'
'Trimerorhachis conangulus belongs to Trimerorhachis'
'Trimerorhachis insignis belongs to Trimerorhachis'
'Trimerorhachis mesops belongs to Trimerorhachis'
'Trinacromerum belongs to Elasmosauridae'
'Trinacromerum bentonianum belongs to Trinacromerum'
'Tringa lobata is recombined as Phalaropus lobatus'
'Trionychia belongs to Testudines'
'Trionychidae belongs to Trionychia'
'Trionyx belongs to Trionychidae'
'Trionyx buiei belongs to Trionyx'
'Trionyx cariosus belongs to Trionyx'
'Trionyx cellulosus belongs to Trionyx'
'Trionyx concentricus belongs to Trionyx'
'Trionyx foveatus belongs to Trionyx'
'Trionyx guttatus belongs to Trionyx'
'Trionyx halophilus belongs to Trionyx'
'Trionyx heteroglyptus belongs to Trionyx'
'Trionyx leptomitus belongs to Trionyx'
'Trionyx leucopotamicus belongs to Trionyx'
'Trionyx lima belongs to Trionyx'
'Trionyx mammillaris is corrected as Trionyx mammilaris and belongs to Trionyx'
'Trionyx pennatus belongs to Trionyx'
'Trionyx priscus belongs to Trionyx'
'Trionyx punctiger belongs to Trionyx'
'Trionyx radulus belongs to Trionyx'
'Trionyx scutumantiquum belongs to Trionyx'
'Trionyx thomasii is recombined as Plastomenus thomasii'
'Trionyx uintaensis belongs to Trionyx'
'Trionyx vagans belongs to Trionyx'
'Trionyx ventricosus belongs to Trionyx'
'Trionyx virginianus belongs to Trionyx'
'Triplopodidae was reranked as the subfamily Triplopodinae and belongs to Hyracodontidae'
'Triplopus belongs to Triplopodinae'
'Triplopus amarorum belongs to Triplopus'
'Triplopus cubitalis belongs to Triplopus'
'Tripriodon is a subjective synonym of Meniscoessus'
'Tripriodon caperatus is recombined as Meniscoessus caperatus'
'Tripriodon coelatus is recombined as Meniscoessus coelatus'
'Tristychius fimbriatus belongs to Tristychius' according to Stock 1883
'Tristychius fimbriatus is recombined as Harpacanthus fimbriatus'
'Trogosus is a subjective synonym of Anchippodus'
'Trogosus castoridens is a subjective synonym of Anchippodus minor'
'Trogosus vetulus is recombined as Anchippodus vetulus'
'Troodon belongs to Megalosauridae'
'Troodon formosus belongs to Troodon'
'Trygon carolinensis belongs to Trygon' according to Emmons 1858
'Trygon carolinensis is recombined as Dasyatis carolinensis'
'Trygon hastata belongs to Trygon' according to De Kay 1842
'Trygon hastata is recombined as Dasyatis hastata'
'Tubinares is a subjective synonym of Procellaroidea'
'Tuditanidae belongs to Microsauria'
'Tuditanus belongs to Tuditanidae'
'Tuditanus brevirostris belongs to Tuditanus'
'Tuditanus huxleyi belongs to Tuditanus'
'Tuditanus mordax belongs to Tuditanus'
'Tuditanus punctulatus belongs to Tuditanus'
'Tuditanus radiatus belongs to Tuditanus'
'Tuditanus tabulatus belongs to Tuditanus'
'Turseodus belongs to Palaeoniscidae'
'Turseodus acutus belongs to Turseodus' according to Leidy 1857
'Turseodus acutus belongs to Turseodus'
'Tylosaurinae belongs to Mosasauridae'
'Tylosaurus belongs to Tylosaurinae'
'Tylosaurus rapax belongs to Tylosaurus'
'Tylosteus belongs to Amphisbaenidae'
'Tylosteus ornatus belongs to Tylosteus'
'Tympanuchus belongs to Tetraonidae'
'Typodus belongs to Pycnodontidae'
'Typodus annulatus belongs to Typodus' according to Quenstedt 1858
'Typodus annulatus belongs to Typodus'
'Typopus gracilis belongs to Typopus'
'Typothorax belongs to Aetosauridae'
'Typothorax coccinarum belongs to Typothorax'
'Uintacyon belongs to Uintacyonidae'
'Uintacyon edax belongs to Uintacyon'
'Uintacyon promicrodon belongs to Uintacyon'
'Uintacyon vorax belongs to Uintacyon'
'Uintacyonidae belongs to Creodonta'
'Uintamastix is a subjective synonym of Uintatherium'
'Uintamastix atrox is a subjective synonym of Uintatherium robustum'
'Uintatheriidae is a subjective synonym of Tinoceridae'
'Uintatherium belongs to Tinoceridae'
'Uintatherium alticeps belongs to Uintatherium'
'Uintatherium latifrons belongs to Uintatherium'
'Uintatherium leidianum belongs to Uintatherium'
'Uintatherium princeps belongs to Uintatherium'
'Uintatherium robustum belongs to Uintatherium'
'Uintatherium segne belongs to Uintatherium'
'Uintornis belongs to Picariae'
'Uintornis lucaris belongs to Uintornis'
'Ulias belongs to Balaenidae'
'Ulias moratus belongs to Ulias'
'Uncia mercerii is recombined as Machairodus mercerii'
'Ungulata was reranked as a order and belongs to Monodelphia'
'Uranoplosus belongs to Pycnodontidae'
'Uranoplosus arctatus belongs to Uranoplosus' according to Cope 1894
'Uranoplosus arctatus belongs to Uranoplosus'
'Uranoplosus cotteaui belongs to Uranoplosus' according to Sauvage 1897
'Uranoplosus cotteaui belongs to Uranoplosus'
'Uranoplosus flectidens belongs to Uranoplosus' according to Cope 1894
'Uranoplosus flectidens belongs to Uranoplosus'
'Uria belongs to Alcidae'
'Uria troile belongs to Uria'
'Urodeles was reranked as the order Urodela and belongs to Batrachia'
'Uronautes belongs to Elasmosauridae'
'Uronautes cetiformis belongs to Uronautes'
'Ursidae belongs to Arctoidea'
'Ursus belongs to Ursidae'
'Ursus americanus belongs to Ursus'
'Ursus amplidens belongs to Ursus'
'Ursus arctos belongs to Ursus'
'Ursus haplodon is recombined as Arctodus haplodon'
'Ursus lotor is recombined as Procyon lotor'
'Ursus luscus is recombined as Gulo luscus'
'Ursus procerus belongs to Ursus'
'Ursus taxus is recombined as Taxidea taxus'
'Varanidae belongs to Sauria'
'Vaticinodus belongs to Cochliodontidae'
'Vaticinodus carbonarius belongs to Vaticinodus' according to Saint John and Worthen 1883
'Vaticinodus carbonarius belongs to Vaticinodus'
'Vaticinodus discrepans belongs to Vaticinodus' according to Saint John and Worthen 1883
'Vaticinodus discrepans belongs to Vaticinodus'
'Vaticinodus lepis belongs to Vaticinodus' according to Saint John and Worthen 1883
'Vaticinodus lepis belongs to Vaticinodus'
'Vaticinodus similis belongs to Vaticinodus' according to Saint John and Worthen 1883
'Vaticinodus similis belongs to Vaticinodus'
'Vaticinodus simplex belongs to Vaticinodus' according to Saint John and Worthen 1883
'Vaticinodus simplex belongs to Vaticinodus'
'Vaticinodus vetustus belongs to Vaticinodus' according to Saint John and Worthen 1883
'Vaticinodus vetustus belongs to Vaticinodus'
'Venustodus belongs to Cochliodontidae'
'Venustodus argutus belongs to Venustodus'
'Venustodus robustus belongs to Venustodus' according to Saint John and Worthen 1875
'Venustodus robustus belongs to Venustodus'
'Venustodus tenuicristatus belongs to Venustodus' according to Saint John and Worthen 1875
'Venustodus tenuicristatus belongs to Venustodus'
'Venustodus variabilis belongs to Venustodus' according to Saint John and Worthen 1875
'Venustodus variabilis belongs to Venustodus'
'Vespertilio belongs to Vespertilionidae'
'Vespertilio fuscus belongs to Vespertilio'
'Vespertilio murinus belongs to Vespertilio'
'Vespertilio pipistrellus is recombined as Pipistrellus pipistrellus'
'Vespertilionidae belongs to Chiroptera'
'Vesperugo anemophilus is recombined as Pipistrellus anemophilus'
'Viverra mephitica is recombined as Mephitis mephitica'
'Viverra vittata is recombined as Galictis vittata'
'Viverravidae belongs to Creodonta'
'Viverravus belongs to Viverravidae'
'Viverravus gracilis belongs to Viverravus'
'Viverravus nitidus belongs to Viverravus'
'Vulpavus belongs to Uintacyonidae'
'Vulpavus palustris belongs to Vulpavus'
'Vulpes latidentatus belongs to Vulpes' according to Cope 1899
'Vulpes latidentatus is recombined as Canis latidentatus'
'Washakius is a subjective synonym of Anaptomorphus'
'Washakius insignis is recombined as Anaptomorphus insignis'
'Wortmania belongs to Stylinodontidae'
'Xema belongs to Laridae'
'Xenacanthidae is a subjective synonym of Pleuracanthidae'
'Xenacanthus is a subjective synonym of Pleuracanthus'
'Xenarthra belongs to Bruta'
'Xenodolamia belongs to Carcharodontinae'
'Xenodolamia pravus belongs to Xenodolamia'
'Xenodolamia simplex belongs to Xenodolamia'
'Xenodus belongs to Cochliodontidae'
'Xerobates cyclopygius is recombined as Testudo cyclopygia'
'Xerobates orthopygius is recombined as Testudo orthopygia'
'Xestops belongs to Anguidae'
'Xiphactinus is a subjective synonym of Portheus'
'Xiphactinus brachygnathus belongs to Xiphactinus' according to Stewart 1898
'Xiphactinus brachygnathus is recombined as Portheus brachygnathus'
'Xiphias antiquus belongs to Xiphias' according to Leidy 1855
'Xiphias antiquus is recombined as Istiophorus antiquus'
'Xiphias robustus is recombined as Istiophorus robustus'
'Xiphiidae belongs to Scombroidea'
'Xiphodolamia belongs to Hexanchidae'
'Xiphodolamia ensis belongs to Xiphodolamia'
'Xiphopeza triplex belongs to Xiphopeza'
'Xiphotrygon is a subjective synonym of Dasyatis'
'Xiphotrygon acutidens is a subjective synonym of Dasyatis radians'
'Xystracanthus belongs to Ichthyodorulites'
'Xystracanthus acinaciformis belongs to Xystracanthus'
'Xystracanthus acinaciformis belongs to Xystracanthus' according to Saint John and Worthen 1875
'Xystracanthus arcuatus belongs to Xystracanthus'
'Xystracanthus mirabilis belongs to Xystracanthus' according to Saint John and Worthen 1875
'Xystracanthus mirabilis belongs to Xystracanthus'
'Xystrodus is replaced by Platyxystrodus'
'Xystrodus bellulus is recombined as Platyxystrodus bellulus'
'Xystrodus imitatus is recombined as Platyxystrodus imitatus'
'Xystrodus inconditus belongs to Xystrodus' according to Saint John and Worthen 1883
'Xystrodus inconditus is recombined as Platyxystrodus inconditus'
'Xystrodus simplex is recombined as Platyxystrodus simplex'
'Xystrodus verus is recombined as Platyxystrodus verus'
'Zamenis acuminatus is recombined as Bascanion acuminatus'
'Zapodidae was reranked as the subfamily Zapodinae and belongs to Dipodidae'
'Zapsalis belongs to Megalosauridae'
'Zapsalis abradens belongs to Zapsalis'
'Zapus belongs to Zapodinae'
'Zarhachis belongs to Platanistinae'
'Zarhachis flagellator belongs to Zarhachis'
'Zarhachis tysonii belongs to Zarhachis'
'Zarhachis velox belongs to Zarhachis'
'Zatomus belongs to Megalosauridae'
'Zatomus sarcophagus belongs to Zatomus'
'Zatrachys belongs to Eryopidae'
'Zatrachys apicalis belongs to Zatrachys'
'Zatrachys conchigerus belongs to Zatrachys'
'Zatrachys microphthalmus belongs to Zatrachys'
'Zatrachys serratus belongs to Zatrachys'
'Zetodon belongs to Anisonchinae'
'Zetodon gracilis belongs to Zetodon'
'Zeuglodon is a subjective synonym of Basilosaurus'
'Zeuglodon brachyspondylus is recombined as Basilosaurus brachyspondylus'
'Zeuglodon cetoides is recombined as Basilosaurus cetoides'
'Zeuglodon hydrarchus is a subjective synonym of Dorudon serratus'
'Zeuglodon macrospondylus is a subjective synonym of Basilosaurus cetoides'
'Zeuglodon pygmaeus is recombined as Agorophius pygmaeus'
'Zeuglodontes was reranked as a suborder and belongs to Cete'
'Zeuglodontidae is a subjective synonym of Basilosauridae'
'Zeus platessus is recombined as Pycnodus platessus'
'Ziphacodon belongs to Uintacyonidae'
'Ziphacodon rugatus belongs to Ziphacodon'
'Ziphiinae belongs to Physeteridae'
'Ziphius planirostris is recombined as Choneziphius planirostris'
'Zygaena is a subjective synonym of Sphyrna'
'Zygobates dubius is recombined as Rhinoptera dubia'
'Zygobatis is a subjective synonym of Rhinoptera'
'Zygoramma belongs to Adocidae'
'Zygoramma microglypha belongs to Zygoramma'
'Zygoramma striatula belongs to Zygoramma'