Classification of Hay 1902
G. †Grallator Hitchcock 1858
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†Grallator cuneatus Hitchcock 1858
†Grallator cursorius Hitchcock 1858
†Grallator formosus Hitchcock 1858
†Grallator gracilis Hitchcock 1837
†Grallator parallelus Hitchcock 1837
†Grallator tenuis Hitchcock 1858
G. †Chirotherium Kaup 1835
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†Chirotherium barthii Kaup 1835
†Chirotherium heterodactylum King 1844
†Chirotherium reiteri Moore 1873
Invalid names: Thenaropus King 1845 [synonym]
G. †Otozoum Hitchcock 1847
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†Otozoum caudatum Hitchcock 1871
†Otozoum moodii Hitchcock 1847
†Otozoum parvum Hitchcock 1889
G. †Eubrontes Hitchcock 1845
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†Eubrontes approximatus Hitchcock 1865
†Eubrontes divaricatus Hitchcock 1865
†Eubrontes expansus Hitchcock 1841
†Eubrontes exsertus Hitchcock 1858
†Eubrontes giganteus Hitchcock 1836
†Eubrontes minusculus Hitchcock 1837
†Eubrontes tuberatus Hitchcock 1858
Invalid names: Brontozoum Hitchcock 1847 [synonym]
G. †Triaenopus Hitchcock 1845
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†Triaenopus baileyanus Hitchcock 1841
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Invalid names: Triaenopus emmonsianus Hitchcock 1841 [synonym], Triaenopus leptodactylus Hitchcock 1858 [synonym]
G. †Selenichnus Hitchcock 1858
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†Selenichnus breviusculus Hitchcock 1858
†Selenichnus falcatus Hitchcock 1858
G. †Anomoepus Hitchcock 1848
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†Anomoepus culbertsonii King 1844
†Anomoepus cuneatus Hitchcock 1889
†Anomoepus curvatus Hitchcock 1862
†Anomoepus gallinuloides King 1844
†Anomoepus gracillimus Hitchcock 1844
†Anomoepus intermedius Hitchcock 1862
†Anomoepus isodactylus Hitchcock 1889
†Anomoepus minimus Hitchcock 1862
†Anomoepus scambus Hitchcock 1848
G. †Sauropus Hitchcock 1845
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†Sauropus barrattii Hitchcock 1837
†Sauropus ingens Hitchcock 1889
Invalid names: Chimaerichnus Hitchcock 1871 [synonym]
G. †Apatichnus Hitchcock 1858
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†Apatichnus bellus Hitchcock 1858
†Apatichnus circumagens Hitchcock 1858
†Apatichnus crassus Hitchcock 1889
†Apatichnus holyokensis Hitchcock 1889
Subph. Vertebrata Lamarck 1801 [vertebrate]
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Cl. Aves Linnaeus 1758 [bird]
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Subcl. Eurhipidura Gill 1874
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Superor. Euornithes Stejneger 1885
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Or. Cecomorphae Huxley 1867
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Superfm. Laroidea Stejneger 1885
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Fm. Laridae Vigors 1825 [gull]
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G. Larus Linnaeus 1758
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Larus argentatus Pontoppidan 1763 [herring gull]
Larus californicus Lawrence 1854 [California gull]
Larus canus Linnaeus 1758 [mew gull]
†Larus oregonus Shufeldt 1891
Larus philadelphia Ord 1815 [Bonaparte's gull]
†Larus robustus Shufeldt 1891
G. Sterna Linnaeus 1758 [tern]
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Sterna caspia Pallas 1770 [Caspian tern]
Sterna elegans Gambel 1849 [elegant tern]
Sterna forsteri Nuttall 1834 [Foster's tern]
Invalid names: Colymboidea Stejneger 1885 [empty], Procellaroidea Stejneger 1885 [empty], Pygopodes [synonym]
Or. Passeres Linnaeus 1758
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Fm. Corvidae Vigors 1825
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G. Corvus Linnaeus 1758 [crow]
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†Corvus annectens Shufeldt 1891
Corvus corax Linnaeus 1758 [common raven]
Fm. Fringillidae Vigors 1825 [finch]
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Invalid names: Passeriformes Linnaeus 1758 [synonym]
Or. Raptores Baird 1858
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Subor. Accipitres Linnaeus 1758
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Fm. Falconidae Vigors 1824
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G. Aquila Linnaeus 1758 [eagle]
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Aquila chrysaetos Linnaeus 1758 [golden eagle]
†Aquila danana Marsh 1871
†Aquila pliogryps Shufeldt 1891
†Aquila sodalis Shufeldt 1891
Invalid names: Cathartides Coues 1884 [empty], Striges [empty]
Or. †Steganopodes
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Superfm. Pelecanoidea Rafinesque 1815
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Fm. Pelecanidae Vigors 1825 [pelican]
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G. Pelecanus Linnaeus 1758 [pelican]
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Pelecanus erythrorhynchos Gmelin 1789 [American white pelican]
Fm. Phalacrocoracidae Reichenbach 1850 [cormorant]
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G. Phalacrocorax Brisson 1760 [cormorant]
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Phalacrocorax carbo Linnaeus 1758 [great cormorant]
†Phalacrocorax idahensis Marsh 1870
†Phalacrocorax macropus Cope 1878
†Phalacrocorax perspicillatus Pallas 1811 [Spectacled cormorant]
Fm. Sulidae Reichenbach 1849 [booby]
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Invalid names: Carinatae Merrem 1813 [synonym], Chenomorphae Huxley 1867 [empty], Grallae Linnaeus 1758 [empty], Herodii [empty], Picariae Blanchard 1859 [empty]
Invalid names: Dromaeognathae Huxley 1867 [empty]
Subcl. †Saururae Haeckel 1866
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Invalid names: Archaeornithes Gadow 1893 [synonym], Ornithopappi Stejneger 1885 [empty]
Cl. Batrachia Macartney 1802
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Or. Salientia Laurenti 1768 [frogs and relatives]
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Invalid names: Anura Fischer von Waldheim 1813 [synonym]
Or. Stegocephali Cope 1868
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Subor. †Microsauria Dawson 1863
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Fm. †Diplocaulidae Cope 1881
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G. †Diplocaulus Cope 1877
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†Diplocaulus limbatus Cope 1896
†Diplocaulus magnicornis Cope 1882
†Diplocaulus salamandroides Cope 1877
Fm. †Hylonomidae Fritsch 1883
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G. †Hylerpeton Owen 1862
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†Hylerpeton dawsonii Owen 1862
†Hylerpeton intermedium Dawson 1894
†Hylerpeton longidentatum Dawson 1876
G. †Hylonomus Dawson 1860
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†Hylonomus latidens Dawson 1882
†Hylonomus lyelli Dawson 1860
†Hylonomus multidens Dawson 1882
†Hylonomus wymani Dawson 1860
Invalid names: Hyloplesion Fritsch 1883 [synonym]
Fm. †Molgophidae Cope 1875
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Invalid names: Dolichosomatidae Lydekker 1889 [synonym], Phlegethontiidae Cope 1875 [synonym]
Fm. †Ptyoniidae Cope 1875
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G. †Keraterpeton Wright and Huxley 1866
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†Keraterpeton divaricatum Cope 1885
†Keraterpeton galvani Huxley 1867
†Keraterpeton punctolineatum Cope 1875
†Keraterpeton tenuicorne Cope 1874
G. †Ptyonius Cope 1875
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†Ptyonius marshii Cope 1869
†Ptyonius nummifer Cope 1875
†Ptyonius pectinatus Cope 1868
†Ptyonius serrula Cope 1871
†Ptyonius vinchellianus Cope 1871
Fm. †Tuditanidae Cope 1875
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G. †Tuditanus Cope 1871
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†Tuditanus brevirostris Cope 1875
†Tuditanus huxleyi Cope 1875
†Tuditanus longipes Cope 1875
†Tuditanus mordax Cope 1874
†Tuditanus obtusus Cope 1868
†Tuditanus punctulatus Cope 1875
†Tuditanus radiatus Cope 1874
†Tuditanus tabulatus Cope 1877
Invalid names: Branchiosauria [synonym], Lepospondyli von Zittel 1887 [synonym], Protritonidae Nicholson and Lydekker 1889 [empty]
Invalid names: Apoecospondyli Hay 1902 [empty]
Or. Urodela Duméril 1805 [salamander]
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G. †Scapherpeton Cope 1876
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†Scapherpeton excisum Cope 1876
†Scapherpeton favosum Cope 1876
†Scapherpeton laticolle Cope 1876
†Scapherpeton tectum Cope 1876
Cl. Elasmobranchii Bonaparte 1838 [elasmobranch]
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Subcl. Holocephala Bonaparte 1832 [chimaera]
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Superfm. Chimaeroidea
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Fm. Chimaeridae
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G. Chimaera Linnaeus 1758
G. †Dictyorhabdus Walcott 1892
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†Dictyorhabdus priscus Walcott 1891
Invalid names: Palaechimaera Walcott 1891 [synonym]
G. †Edaphodon Buckland 1838
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†Edaphodon bucklandi Agassiz 1843
†Edaphodon divaricatus Cope 1869
†Edaphodon eocaenus Woodward 1891
†Edaphodon fecundus Cope 1875
†Edaphodon gaskillii Cope 1875
†Edaphodon incrassatus Cope 1875
†Edaphodon laqueatus Leidy 1873
†Edaphodon laterigerus Cope 1869
†Edaphodon latidens Cope 1875
†Edaphodon longirostris Cope 1875
†Edaphodon miersii Marsh 1869
†Edaphodon mirificus Leidy 1856
†Edaphodon monolophus Cope 1869
†Edaphodon smockii Cope 1869
†Edaphodon solidulus Cope 1869
†Edaphodon stenobryus Cope 1875
†Edaphodon tripartitus Cope 1875
Invalid names: Diphrissa Cope 1875 [synonym], Dipristis Marsh [synonym], Eumylodus Leidy 1873 [synonym], Ischyodus Egerton 1843 [synonym]
Fm. †Ptyctodontidae Woodward 1891
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G. †Palaeomylus Woodward 1891
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†Palaeomylus crassus Newberry 1873
†Palaeomylus frangens Newberry 1878
†Palaeomylus greenei Newberry 1889
G. †Ptyctodus Pander 1858
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†Ptyctodus calceolus Newberry and Worthen 1866
†Ptyctodus compressus Eastman 1898
†Ptyctodus ferox Eastman 1898
†Ptyctodus obliquus Pander 1858
G. †Rhynchodus Newberry 1873
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†Rhynchodus excavatus Newberry 1877
†Rhynchodus occidentalis Newberry 1878
†Rhynchodus secans Newberry 1873
Unr. †Ichthyodorulites Buckland
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G. †Acanthaspis Newberry 1875
G. †Acondylacanthus John and Worthen 1875
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†Acondylacanthus aequicostatus Saint John and Worthen 1875
†Acondylacanthus gracilis Saint John and Worthen 1875
†Acondylacanthus gracillimus Newberry and Worthen 1866
†Acondylacanthus mudgianus Saint John and Worthen 1883
†Acondylacanthus nuperus St John and Worthen 1883
†Acondylacanthus rectus Saint John and Worthen 1883
G. †Anaclitacanthus St. John and Worthen 1875
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†Anaclitacanthus semicostatus Saint John and Worthen 1875
G. †Asteroptychius Agassiz 1843
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†Asteroptychius bellulus Saint John and Worthen 1875
†Asteroptychius elegans Newberry 1889
†Asteroptychius gracilis Newberry 1897
†Asteroptychius keokuk Saint John and Worthen 1875
†Asteroptychius ornatus Agassiz 1843
†Asteroptychius sanctiludovici Saint John and Worthen 1875
†Asteroptychius tenellus Saint John and Worthen 1883
†Asteroptychius tenuis Saint John and Worthen 1875
†Asteroptychius triangularis Newberry and Worthen 1870
†Asteroptychius vetustus Saint John and Worthen 1875
G. †Batacanthus St John and Worthen 1870
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†Batacanthus baculiformis Saint John and Worthen 1875
†Batacanthus necis Saint John and Worthen 1883
†Batacanthus stellatus Newberry and Worthen 1866
G. †Bythiacanthus StJohn and Worthen 1875
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†Bythiacanthus siderius Leidy 1870
†Bythiacanthus vanhornei StJohn and Worthen 1875
G. †Callognathus Newberry 1890
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†Callognathus regularis Newberry 1889
†Callognathus serratus Newberry 1889
G. Coelorhynchus Agassiz 1843
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†Coelorhynchus acus Cope 1870
†Coelorhynchus ornatus Leidy 1856
†Coelorhynchus rectus Agassiz 1843
Invalid names: Cylindracanthus Leidy 1856 [synonym]
G. †Cosmacanthus Agassiz 1845
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†Cosmacanthus bullatus Saint John and Worthen 1875
†Cosmacanthus malcolmsoni Agassiz 1844
†Cosmacanthus stellatus Saint John and Worthen 1875
Invalid names: Geisacanthus St John and Worthen 1875 [synonym]
G. †Ctenacanthus Agassiz 1836
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†Ctenacanthus acutus Eastman 1897
†Ctenacanthus amblyxiphias Cope 1891
†Ctenacanthus angulatus Newberry and Worthen 1866
†Ctenacanthus angustus Newberry 1889
†Ctenacanthus burlingtonensis Stjohn and Worthen 1875
†Ctenacanthus buttersi St John and Worthen 1883
†Ctenacanthus cannaliratus Stjohn and Worthen 1883
†Ctenacanthus chemungensis Claypole 1885
†Ctenacanthus clarkii Newberry 1889
†Ctenacanthus compressus Newberry 1889
†Ctenacanthus coxianus Stjohn and Worthen 1883
†Ctenacanthus cylindricus Newberry 1889
†Ctenacanthus deflexus St. John and Worthen 1883
†Ctenacanthus depressus Newberry 1897
†Ctenacanthus elegans Tuomey 1858
†Ctenacanthus excavatus Saint John and Worthen 1875
†Ctenacanthus fallax Woodward 1891
†Ctenacanthus formosus Newberry 1873
†Ctenacanthus furcicarinatus Newberry 1875
†Ctenacanthus gemmatus Saint John and Worthen 1875
†Ctenacanthus gradocostatus Saint John and Worthen 1875
†Ctenacanthus gurleyi Newberry 1897
†Ctenacanthus harrisoni St. John and Worthen 1883
†Ctenacanthus keokuk Saint John and Worthen 1875
†Ctenacanthus littoni Newberry 1889
†Ctenacanthus major Agassiz 1836
†Ctenacanthus marshii Newberry 1873
†Ctenacanthus mayi Newberry and Worthen 1870
†Ctenacanthus pellensis Saint John and Worthen 1883
†Ctenacanthus pugiunculus Saint John and Worthen 1875
†Ctenacanthus randalli Newberry 1889
†Ctenacanthus sculptus Saint John and Worthen 1875
†Ctenacanthus similis Saint John and Worthen 1875
†Ctenacanthus speciosus Saint John and Worthen 1875
†Ctenacanthus spectabilis St. John and Worthen 1875
†Ctenacanthus triangularis Newberry 1873
†Ctenacanthus varians St. John and Worthen 1875
†Ctenacanthus vetustus Newberry 1873
†Ctenacanthus wrighti Newberry 1884
†Ctenacanthus xiphias Saint John and Worthen 1883
G. †Eczematolepis Miller 1892
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†Eczematolepis fragilis Newberry 1857
†Eczematolepis pustulosus Newberry 1875
Invalid names: Acantholepis Newberry 1875 [replaced]
G. †Edestus Leidy 1855
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†Edestus giganteus Newberry 1888
†Edestus heinrichsii Newberry and Worthen 1870
†Edestus lecontei Dean 1898
†Edestus minor Newberry 1866
†Edestus vorax Leidy 1855
G. †Erismacanthus M'Coy 1848
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†Erismacanthus jonesii M'Coy 1848
†Erismacanthus maccoyanus Stjohn and Worthen 1875
G. †Gamphacanthus Miller 1892
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†Gamphacanthus politus Newberry 1889
†Gamphacanthus uddeni Lindahl 1897
Invalid names: Heteracanthus Newberry 1889 [replaced]
G. †Gampsacanthus Saint John and Worthen 1875
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†Gampsacanthus latus Saint John and Worthen 1875
†Gampsacanthus squamosus Saint John and Worthen 1875
†Gampsacanthus typus Saint John and Worthen 1875
G. †Glymmatacanthus StJohn and Worhten 1875
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†Glymmatacanthus irishii StJohn et al. 1883
†Glymmatacanthus petrodoides StJohn et al. 1883
†Glymmatacanthus rudis StJohn et al. 1883
G. †Gyracanthus Agassiz 1836
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†Gyracanthus alleni Newberry 1873
†Gyracanthus compressus Newberry 1873
†Gyracanthus cordatus Saint John and Worthen 1883
†Gyracanthus duplicatus Dawson 1868
†Gyracanthus formosus Agassiz 1836
†Gyracanthus incurvatus Traquair 1890
†Gyracanthus inornatus Newberry 1889
†Gyracanthus magnificus Dawson 1868
†Gyracanthus sherwoodi Newberry 1889
G. †Homacanthus Agassiz 1845
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†Homacanthus arcuatus Agassiz 1844
†Homacanthus gracilis Whiteaves 1889
G. †Listracanthus Newberry and Worthen 1870
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†Listracanthus hildrethi Newberry 1875
†Listracanthus hystrix Newberry and Worthen 1870
G. †Machaeracanthus Newberry 1857
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†Machaeracanthus major Newberry 1857
†Machaeracanthus peracutus Newberry 1857
†Machaeracanthus sulcatus Newberry 1857
G. †Oestophorus Miller 1892
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†Oestophorus lilleyi Newberry 1889
Invalid names: Sphenophorus Newberry 1889 [replaced]
G. †Onchus Agassiz 1837
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†Onchus clintoni Claypole 1885
†Onchus murchisoni Agassiz 1837
†Onchus pennsylvanicus Claypole 1885
†Onchus rectus Eastman 1899
G. †Oracanthus Agassiz 1836
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†Oracanthus lineatus Newberry 1897
†Oracanthus milleri Agassiz 1836
†Oracanthus multiseriatus Newberry 1857
†Oracanthus obliquus Saint John and Worthen 1875
†Oracanthus pnigeus Newberry and Worthen 1866
†Oracanthus rectus Saint John and Worthen 1883
†Oracanthus trigonalis Saint John and Worthen 1883
†Oracanthus vetustus Leidy 1855
Invalid names: Pnigeacanthus St John and Worthen 1883 [synonym]
G. †Physonemus Agassiz 1843
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†Physonemus arcuatus McCoy 1848
†Physonemus carinatus Saint John and Worthen 1875
†Physonemus chesterensis St. John and Worthen 1875
†Physonemus depressus Stjohn and Worthen 1875
†Physonemus gigas Newberry and Worthen 1870
†Physonemus parvulus St. John and Worthen 1875
†Physonemus proclivus St. John and Worthen 1875
†Physonemus stellatus Newberry 1889
G. †Prospiraxis Williams 1887
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†Prospiraxis major Newberry 1885
†Prospiraxis randallii Newberry 1885
G. †Stethacanthus Newberry 1889
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†Stethacanthus altonensis St. John and Worthen 1875
†Stethacanthus compressus Newberry 1897
†Stethacanthus productus Newberry 1897
†Stethacanthus tumidus Newberry 1889
G. †Xystracanthus Leidy 1859
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†Xystracanthus acinaciformis Saint John and Worthen 1875
†Xystracanthus anceps Newberry and Worthen 1866
†Xystracanthus arcuatus Leidy 1859
†Xystracanthus gemmatus Newberry and Worthen 1866
†Xystracanthus mirabilis Saint John and Worthen 1875
†Xystracanthus reversus Saint John and Worthen 1875
Subcl. †Plagiostomata Cuvier
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Superor. Euselachii Hay 1902
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Or. Selacha [shark]
+
Subor. Rajae
+
Superfm. †Masticura Gill 1872
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Fm. Dasyatidae Jordan 1888 [whiptail stingray]
+
G. Dasyatis Rafinesque 1810
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†Dasyatis carolinensis Emmons 1858
†Dasyatis hastata De Kay 1842
Invalid names: Heliobatis [synonym], Xiphotrygon Cope 1879 [synonym]
Fm. Myliobatidae Bonaparte 1838 [eagle ray]
+
G. Aetobatus Blainville 1816
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†Aetobatus arcuatus Agassiz 1843
†Aetobatus narinari Euphrasen 1790
†Aetobatus perspicuus Leidy 1855
†Aetobatus profundus Cope 1867
G. Myliobatis Cuvier 1816
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†Myliobatis aquila Linnaeus 1758
†Myliobatis bisulcus Marsh 1869
†Myliobatis copeanus Clark 1895
†Myliobatis fastigiatus Leidy 1876
†Myliobatis gigas Cope 1868
†Myliobatis glottoides Cope 1870
†Myliobatis holmesii Gibbes 1849
†Myliobatis jugosus Leidy 1876
†Myliobatis leidyi Hay 1899
†Myliobatis mordax Leidy 1877
†Myliobatis pachyodon Cope 1868
†Myliobatis rectidens Cope 1870
†Myliobatis rugosus Leidy 1855
†Myliobatis transversalis Gibbes 1850
†Myliobatis vicomicanus Cope 1868
G. Rhinoptera Cuvier 1829 [cownose ray]
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†Rhinoptera dubia Leidy 1855
†Rhinoptera marginata Saint-Hilaire 1809
Invalid names: Zygobatis Agassiz 1838 [synonym]
Fm. †Ptychodontidae
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G. †Ptychodus Agassiz 1834
+
†Ptychodus anonymus Williston 1900
†Ptychodus decurrens Agassiz 1838
†Ptychodus janevaii Cope 1874
†Ptychodus mammillaris Agassiz 1835
†Ptychodus martini Williston 1900
†Ptychodus occidentalis Leidy 1868
†Ptychodus papillosus Cope 1875
†Ptychodus parvulus Whiteaves 1889
†Ptychodus polygyrus Agassiz 1835
†Ptychodus whipplei Marcou 1858
Invalid names: Batoidei [synonym], Pachyura Gill 1872 [empty], Tectospondyli [synonym]
Subor. Squali Müller and Henle 1838
+
Superfm. †Hexanchoidea Hay 1902
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Fm. Hexanchidae Gray 1851 [cow shark]
+
G. Heptranchias Rafinesque 1810 [sevengill shark]
+
†Heptranchias cinereus Gmelin 1789
†Heptranchias plectrodon Cope 1867
†Heptranchias primigenius Agassiz 1835
Invalid names: Galeoidea Hay 1902 [empty], Heterodontoidea Hay 1902 [empty], Petalodontoidea Hay 1902 [empty], Squaloidea [empty]
Superor. †Ichthyotomi Cope
+
Or. †Acanthodii Owen 1846 [spiny fish]
+
Fm. †Acanthoessidae Hay 1902
+
G. †Acanthoessus Agassiz 1832
+
†Acanthoessus affinis Whiteaves 1887
†Acanthoessus concinnus Whiteaves 1887
†Acanthoessus pristis Clarke 1885
†Acanthoessus semistriatus Woodward 1892
Invalid names: Acanthodes Agassiz 1833 [synonym], Holacanthodes Beyrich 1848 [synonym], Mesacanthus Traquair 1888 [synonym]
G. †Cheiracanthus Agassiz 1835
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†Cheiracanthus costellatus Traquair 1884
†Cheiracanthus murchisoni Agassiz 1835
Invalid names: Acanthodidae Huxley 1861 [replaced]
Fm. †Diplacanthidae Woodward 1891
+
G. †Climatius Agassiz 1845
+
†Climatius latispinosus Whiteaves 1881
Invalid names: Euthacanthus Powrie 1864 [synonym]
Invalid names: Pleuracanthides Haeckel 1895 [empty], Pleuropterygia [empty]
Cl. Mammalia Linnaeus 1758 [mammal]
+
Subcl. Eutheria Huxley 1880 [eutherian]
+
Superor. Didelphia Cope 1889
+
Or. Marsupialia Illiger 1811 [marsupial]
+
Subor. Polyprotodontia Owen 1866
+
Fm. †Amphitheriidae Owen 1846
+
G. †Dicrocynodon Marsh
+
†Dicrocynodon victor Marsh 1880
Invalid names: Diplocynodon Marsh 1880 [replaced]
G. †Ennacodon Marsh
+
†Ennacodon affinis Marsh 1887
†Ennacodon crassus Marsh 1887
Invalid names: Enneodon Prangner 1845 [replaced]
Invalid names: Diplocynodontidae Marsh 1887 [synonym]
Fm. †Cimolestidae Marsh 1889
+
G. †Didelphodon Marsh 1889
+
†Didelphodon comptus Marsh 1889
†Didelphodon ferox Marsh 1889
†Didelphodon vorax Marsh 1889
Invalid names: Didelphops Marsh 1889 [synonym]
Fm. Didelphidae Gray 1821 [opossum]
+
G. Didelphis Linnaeus 1758 [large American opossum]
+
†Didelphis alternans Cope 1873
†Didelphis comstocki Cope 1884
†Didelphis fugax Cope 1873
+
Invalid names: Herpetotherium stevensonii Cope 1873 [synonym], Miothen gracile Cope 1873 [synonym]
†Didelphis huntii Cope 1873
†Didelphis marginalis Cope 1873
Didelphis marsupialis Linnaeus 1758 [common opossum]
†Didelphis pygmaea Scott 1894
†Didelphis scalaris Cope 1873
†Didelphis tricuspis Cope 1873
Didelphis virginiana Kerr 1792 [Virginia opossum]
Invalid names: Didelphys Linnaeus 1758 [misspelling], Embassis Cope 1873 [synonym], Herpetotherium Cope 1873 [synonym]
Fm. †Dryolestidae Marsh 1879
+
G. †Dryolestes Marsh 1878
+
†Dryolestes arcuatus Marsh 1879
†Dryolestes gracilis Marsh 1881
†Dryolestes obtusus Marsh 1880
†Dryolestes priscus Marsh 1878
†Dryolestes tenax Marsh 1889
†Dryolestes vorax Marsh 1879
Fm. †Stagodontidae Marsh 1889
+
G. †Stagodon Marsh 1889
+
†Stagodon nitor Marsh 1889
†Stagodon tumidus Marsh 1889
†Stagodon validus Marsh 1892
Fm. †Triconodontidae Marsh 1887
+
Subfm. †Tinodontinae Marsh 1887
+
G. †Tinodon Marsh 1879
+
†Tinodon bellus Marsh 1879
†Tinodon lepidus Marsh 1879
†Tinodon robustus Marsh 1879
Invalid names: Triconodontinae Hay 1902 [empty]
Superor. Monodelphia Gill 1872
+
Or. Amblypoda Cope 1884
+
Subor. †Dinocerea Marsh 1872
+
Fm. †Tinoceridae Marsh 1872
+
G. †Dinoceras Marsh 1872
+
†Dinoceras agreste Marsh 1885
†Dinoceras cuneum Marsh 1885
†Dinoceras distans Marsh 1885
†Dinoceras laticeps Marsh 1873
†Dinoceras lucare Marsh 1873
†Dinoceras mirabile Marsh 1872
†Dinoceras reflexum Marsh 1885
Invalid names: Octotomus Cope 1885 [synonym], Paroceras Marsh 1884 [synonym]
G. †Tinoceras Marsh 1872
+
†Tinoceras affine Marsh 1885
†Tinoceras anceps Marsh 1871
†Tinoceras annectens Marsh 1885
†Tinoceras cornutum Cope 1872
†Tinoceras crassifrons Marsh 1885
†Tinoceras galeatum Cope 1873
†Tinoceras grande Marsh 1872
†Tinoceras hians Marsh 1885
†Tinoceras ingens Marsh 1885
†Tinoceras jugum Marsh 1885
†Tinoceras lacustre Marsh 1872
†Tinoceras latum Marsh 1885
†Tinoceras longiceps Marsh 1885
†Tinoceras pugnax Marsh 1885
†Tinoceras speirianum Osborn 1881
†Tinoceras stenops Marsh 1885
†Tinoceras vagans Marsh 1885
G. †Uintatherium Leidy 1872
+
†Uintatherium alticeps Scott 1886
†Uintatherium latifrons Marsh 1885
†Uintatherium leidianum Osborn et al. 1878
†Uintatherium princeps Osborn et al. 1878
†Uintatherium segne Marsh 1885
Invalid names: Ditetrodon Cope 1885 [synonym], Uintamastix Leidy 1872 [synonym]
Invalid names: Tinoceratidae Marsh 1873 [synonym], Uintatheriidae Flower 1876 [synonym]
Invalid names: Dinocerata Marsh 1872 [synonym]
Subor. †Pantodonta Cope 1873 [pantodont]
+
Fm. †Coryphodontidae Marsh 1876
+
G. †Coryphodon Owen 1845
+
†Coryphodon armatus Cope 1872
†Coryphodon cinctus Cope 1882
†Coryphodon curvicristis Cope 1882
†Coryphodon cuspidatus Cope 1875
†Coryphodon elephantopus Cope 1874
†Coryphodon eocaenus Owen 1846
†Coryphodon hamatus Marsh 1876
†Coryphodon latidens Cope 1875
†Coryphodon latipes Cope 1873
†Coryphodon lobatus Cope 1877
†Coryphodon marginatus Cope 1882
†Coryphodon obliquus Cope 1877
†Coryphodon radians Cope 1872
†Coryphodon repandus Cope 1882
†Coryphodon semicinctus Cope 1872
†Coryphodon singularis Osborn 1898
†Coryphodon subquadratus Cope 1882
†Coryphodon testis Cope 1882
†Coryphodon ventanus Osborn 1898
†Coryphodon wortmani Osborn 1898
Invalid names: Bathmodon Cope 1872 [synonym], Loxolophodon Cope 1872 [synonym], Metalophodon Cope 1872 [synonym]
Invalid names: Bathmodontidae Cope 1873 [synonym]
Invalid names: Bathyopsidae Osborn 1898 [empty]
Invalid names: Taligrada Cope 1882 [empty]
Or. †Ancylopoda Cope 1889
+
Superfm. †Chalicotherioidea Gill 1872
+
Fm. †Chalicotheriidae Gill 1872 [chalicothere]
+
G. †Chalicotherium Kaup 1833
+
†Chalicotherium bilobatum Cope 1889
†Chalicotherium goldfussi Kaup 1833
G. †Moropus Marsh 1877
+
†Moropus distans Marsh 1877
†Moropus elatus Marsh 1877
†Moropus senex Marsh 1877
Invalid names: Moropodidae Marsh 1877 [synonym]
Or. Bruta Linnaeus 1758
+
Subor. †Taeniodonta Cope 1876 [taeniodont]
+
Fm. †Conoryctidae Wortman 1896
+
G. †Onychodectes Cope 1888
+
†Onychodectes rarus Osborn and Earle 1895
†Onychodectes tisonensis Cope 1888
Fm. †Stylinodontidae Marsh 1875
+
Invalid names: Calamodontidae [synonym], Ectoganidae [synonym]
Subor. Xenarthra Cope 1889 [edentate]
+
Fm. Dasypodidae Gray 1821 [armadillo]
+
Fm. †Glyptodontidae Burmeister 1879 [glyptodon]
+
G. †Glyptodon Owen 1839
+
†Glyptodon clavipes Owen 1839
†Glyptodon euphractus Lund 1839
†Glyptodon petaliferus Cope 1888
†Glyptodon reticulatus Owen 1845
+
Invalid names: Glyptodon asper Burmeister 1866 [synonym], Glyptodon typus Nodot 1857 [synonym]
Fm. †Megatheriidae Gray 1821
+
G. †Megalonyx Harlan 1825
+
†Megalonyx dissimilis Leidy 1855
†Megalonyx jeffersonii Desmarest 1822 [Jefferson's ground sloth]
+
Invalid names: Megalonyx laqueatus Harlan 1831 [synonym]
†Megalonyx leidyi Lindahl 1892
†Megalonyx leptostomus Cope 1893
†Megalonyx loxodon Cope 1871
†Megalonyx scalper Cope 1899
†Megalonyx tortulus Cope 1871
†Megalonyx validus Leidy 1868
G. †Mylodon Owen 1859
+
†Mylodon harlani Owen 1840 [Harlan's ground sloth]
+
Invalid names: Eubradys antiquus Leidy 1853 [synonym], Oryctotherium missouriense Harlan 1841 [synonym]
†Mylodon renidens Cope 1895
†Mylodon sodalis Cope 1878
†Mylodon sulcidens Cope 1895
Invalid names: Eubradys [synonym], Orycterotherium Bronn 1838 [synonym]
Invalid names: Megalonychidae Gervais 1855 [synonym], Mylodontidae Ameghino 1889 [synonym]
Invalid names: Gravigrada [synonym], Pilosa Flower 1883 [synonym]
Invalid names: Edentata Cuvier 1798 [synonym]
Or. Cete Linnaeus 1758
+
Subor. Odontocete Flower 1867 [toothed whale]
+
Fm. Delphinidae Gray 1821 [dolphin]
+
Subfm. Delphinapterinae Gill 1871
+
G. Delphinapterus Lacépède 1804 [beluga]
+
Delphinapterus leucas Pallas 1776 [beluga whale]
+
Invalid names: Beluga catodon Gray 1846 [synonym]
†Delphinapterus orcinus Cope 1875
†Delphinapterus vermontana Thompson 1850
Subfm. †Delphininae Flower 1867
+
G. Delphinus Linnaeus 1758 [common dolphin]
+
Delphinus delphis Linnaeus 1758 [short-beaked common dolphin]
†Delphinus occiduus Leidy 1868
Fm. Physeteridae Gray 1821 [sperm whale]
+
G. †Hoplocetus Gervais 1852
+
†Hoplocetus crassidens Gervais 1852
†Hoplocetus obesus Leidy 1868
Invalid names: Balaenodon Owen 1846 [synonym]
Subfm. Ziphiinae Gray 1850 [beaked whale]
+
G. †Choneziphius Duvernoy 1851
+
†Choneziphius coelops Leidy 1876
†Choneziphius liops Leidy 1876
†Choneziphius planirostris Cuvier 1824
†Choneziphius trachops Leidy 1876
G. Mesoplodon Gervais 1850
+
†Mesoplodon prorops Leidy 1876
†Mesoplodon sowerbensis Blainville 1817
Invalid names: Belemnoziphius Huxley 1864 [synonym]
Invalid names: Physeterinae Flower 1867 [empty]
Fm. Platanistidae Gray 1846
+
G. †Ixacanthus Cope 1868
+
†Ixacanthus atropius Cope 1868
†Ixacanthus coelospondylus Cope 1868
†Ixacanthus conradi Leidy 1852
†Ixacanthus spinosus Cope 1868
†Ixacanthus stenus Cope 1868
Invalid names: Belosphys Cope 1875 [synonym]
Invalid names: Platanistinae Flower 1867 [empty]
Fm. †Squalodontidae Brandt 1873
+
G. †Squalodon Grateloup 1840
+
†Squalodon atlanticus Leidy 1856
†Squalodon debilis Leidy 1857
†Squalodon grateloupii von Meyer 1843
†Squalodon holmesii Leidy 1853
†Squalodon modestus Leidy 1869
†Squalodon pelagius Leidy 1869
†Squalodon protervus Cope 1867
†Squalodon tiedemani Allen 1887
Invalid names: Colophonodon Leidy 1853 [synonym], Cynorca Cope 1867 [synonym], Macrophoca Leidy 1856 [synonym], Phocodon Agassiz 1841 [synonym], Rhizoprion Jourdan 1861 [synonym]
Invalid names: Denticete Gray 1864 [synonym]
Subor. †Zeuglodontes Pictet 1853
+
Fm. †Basilosauridae Cope 1867
+
G. †Basilosaurus Harlan 1834
+
†Basilosaurus brachyspondylus Müller 1849
Invalid names: Zeuglodon Owen 1839 [synonym]
G. †Dorudon Gibbes 1845
+
†Dorudon serratus Gibbes 1845
+
Invalid names: Pontogeneus priscus Leidy 1852 [synonym], Zeuglodon hydrarchus Carus 1849 [synonym]
Invalid names: Pontogeneus Leidy 1852 [synonym]
Invalid names: Zeuglodontidae Bonaparte 1849 [synonym]
Invalid names: Archaeoceti Flower 1883 [synonym]
Invalid names: Cetacea Brisson 1762 [synonym], Mysticete Gray 1864 [empty]
Or. Chiroptera Blumenbach 1779 [bat]
+
Fm. Vespertilionidae Gray 1821 [vesper bat]
+
G. Pipistrellus Kaup 1829 [pipistrelle bat]
+
†Pipistrellus anemophilus Cope 1880
Pipistrellus pipistrellus Schreber 1774
G. Vespertilio Linnaeus 1758
+
Vespertilio fuscus Beauvois 1796 [big brown bat]
Vespertilio murinus Linnaeus 1758
Or. Ferae Linnaeus 1758
+
Subor. †Creodonta Cope 1875 [creodont]
+
Fm. †Arctocyonidae Murray 1866 [condylarth]
+
G. †Claenodon Scott 1892
+
†Claenodon corrugatus Cope 1883
†Claenodon ferox Cope 1883
†Claenodon protogonioides Cope 1882
Fm. †Hyaenodontidae Leidy 1869
+
Subfm. †Hyaenodontinae Trouessart 1885
+
G. †Hyaenodon Laizer and Parieu 1838
+
†Hyaenodon crucians Leidy 1853
†Hyaenodon cruentus Leidy 1853
†Hyaenodon horridus Leidy 1853
†Hyaenodon leptocephalus Scott 1888
†Hyaenodon leptorhynchus Laizer and Parieu 1838
†Hyaenodon mustelinus Scott 1894
†Hyaenodon paucidens Osborn and Wortman 1894
Subfm. †Oxyaeninae Trouessart 1885
+
G. †Oxyaena Cope 1874
+
†Oxyaena forcipata Cope 1874
†Oxyaena huerfanensis Osborn 1897
†Oxyaena lupina Cope 1874
†Oxyaena morsitans Cope 1874
G. †Patriofelis Leidy 1870
+
†Patriofelis ferox Marsh 1872
†Patriofelis latidens Marsh 1872
†Patriofelis tigrina Cope 1880
†Patriofelis ulta Leidy 1870
Invalid names: Limnofelis Marsh 1872 [synonym], Oreocyon Marsh 1872 [synonym], Protopsalis Cope 1880 [synonym]
Invalid names: Oxyaenidae Cope 1877 [synonym]
Fm. †Mesonychidae Cope 1875 [condylarth]
+
G. †Dissacus Cope 1881
+
†Dissacus leptognathus Osborn and Wortman 1892
†Dissacus navajovius Cope 1881
†Dissacus saurognathus Wortman 1897
G. †Mesonyx Cope 1872
+
†Mesonyx dakotensis Scott 1892
†Mesonyx lanius Cope 1872
†Mesonyx obtusidens Cope 1872
†Mesonyx uintensis Scott 1888
†Mesonyx vorax Marsh 1876
Invalid names: Dromocyon Marsh 1876 [synonym], Synoplotherium Cope 1872 [synonym]
G. †Pachyaena Cope 1874
+
†Pachyaena gigantea Osborn and Wortman 1892
†Pachyaena intermedia Wortman 1899
†Pachyaena ossifraga Cope 1874
Fm. †Oxyclaenidae Scott 1892
+
G. †Chriacus Cope 1883
+
†Chriacus angulatus Cope 1875
†Chriacus baldwini Cope 1882
†Chriacus pelvidens Cope 1881
†Chriacus schlosserianus Cope 1888
†Chriacus stenops Cope 1888
†Chriacus truncatus Cope 1884
Invalid names: Epichriacus Scott 1892 [synonym]
G. †Loxolophus Cope 1885
+
†Loxolophus attenuatus Osborn and Earle 1895
†Loxolophus priscus Cope 1888
Invalid names: Protochriacus Scott 1892 [synonym]
G. †Tricentes Cope 1884
+
†Tricentes crassicollidens Cope 1884
†Tricentes subtrigonus Cope 1881
+
Invalid names: Mioclaenus bucculentus Cope 1883 [synonym], Phenacodus zuniensis Cope 1881 [synonym]
Invalid names: Chriacidae Osborn and Earle 1895 [synonym]
Fm. †Proviverridae Schlosser 1886
+
G. †Deltatherium Cope 1881
+
†Deltatherium interruptum Cope 1882
Invalid names: Lipodectes Cope 1881 [synonym]
G. †Proviverra Rütimeyer 1862
+
†Proviverra americana Scott 1892
†Proviverra typica Rütimeyer 1862
G. †Stypolophus Cope 1871
+
†Stypolophus aculeatus Cope 1872
†Stypolophus agilis Marsh 1872
†Stypolophus brevicalcaratus Cope 1872
†Stypolophus hians Cope 1877
†Stypolophus insectivorus Cope 1871
†Stypolophus multicuspis Cope 1875
†Stypolophus pungens Cope 1872
†Stypolophus rapax Leidy 1871
†Stypolophus secundarius Cope 1875
†Stypolophus strenuus Cope 1875
†Stypolophus verus Marsh 1872
†Stypolophus viverrinus Cope 1874
†Stypolophus whiteae Cope 1882
Invalid names: Limnocyon Marsh 1872 [synonym], Prototomus Cope 1874 [synonym], Sinopa Leidy 1871 [synonym]
G. †Triacodon Marsh 1871
+
†Triacodon fallax Marsh 1871
†Triacodon grandis Marsh 1872
†Triacodon nanus Marsh 1872
Fm. †Triisodontidae Scott 1892
+
G. †Sarcothraustes Cope 1882
+
G. †Triisodon Cope 1881
+
†Triisodon gaudrianus Cope 1888
†Triisodon heilprinianus Cope 1882
+
Invalid names: Conoryctes crassicuspis Cope 1882 [synonym], Mioclaenus bathygnathus Cope 1888 [synonym], Sarcothraustes coryphaeus Cope 1885 [synonym], Triisodon biculminatus Cope 1888 [synonym], Triisodon rusticus Cope 1884 [synonym]
†Triisodon quivirensis Cope 1881
Fm. †Viverravidae Wortman and Matthew 1899
+
G. †Viverravus Marsh 1872
+
†Viverravus altidens Cope 1880
†Viverravus curtidens Cope 1882
†Viverravus leptomylus Cope 1880
†Viverravus massetericus Cope 1882
†Viverravus nitidus Marsh 1872
†Viverravus protenus Cope 1874
Invalid names: Didymictis Cope 1875 [synonym]
Invalid names: Ambloctonidae Cope 1877 [empty], Uintacyonidae Hay 1902 [empty]
Subor. Fissipedia Blumenbach 1791
+
Unr. Aeluroidea Flower 1869
+
Fm. Felidae Gray 1821 [cat]
+
Subfm. Felinae Trouessart 1885
+
G. Felis Linnaeus 1758 [cat]
+
†Felis atrox Leidy 1853
†Felis augustus Leidy 1872
†Felis calcaratus Cope 1899
Felis catus Linnaeus 1758 [cat]
Felis concolor Linnaeus 1771 [puma]
Felis eyra Fischer 1814
†Felis hillianus Cope 1893
†Felis imperialis Leidy 1873
†Felis inexpectatus Cope 1895
†Felis maximus Scott and Osborn 1890
Felis ruffus Schreber 1777 [bobcat]
G. †Pseudaelurus Leidy 1858
+
†Pseudaelurus intrepidus Leidy 1858
†Pseudaelurus quadridentata de Blainville 1843
Subfm. †Machairodontinae Gill 1872
+
G. †Deinictis Leidy 1854
+
†Deinictis bombifrons Adams 1895
†Deinictis brachyops Cope 1878
†Deinictis cyclops Cope 1879
†Deinictis felina Leidy 1854
†Deinictis fortis Adams 1895
†Deinictis major Lucas 1898
†Deinictis platycopis Cope 1879
†Deinictis squalidens Cope 1873
Invalid names: Daptophilus Cope 1873 [synonym], Pogonodon Cope 1880 [synonym]
G. †Hoplophoneus Cope 1874
+
†Hoplophoneus catocopis Cope 1887
†Hoplophoneus cerebralis Cope 1880
†Hoplophoneus crassidens Cragin 1892
†Hoplophoneus insolens Adams 1896
†Hoplophoneus oreodontis Cope 1873
†Hoplophoneus primaevus Leidy and Owen 1851
†Hoplophoneus robustus Adams 1896
†Hoplophoneus strigidens Cope 1878
Invalid names: Dinotomius Williston 1895 [synonym]
G. †Smilodon Lund 1841 [saber-toothed cat]
+
†Smilodon fatalis Leidy 1868
†Smilodon floridanus Leidy 1889
†Smilodon populator Lund 1842
Invalid names: Nimravinae Trouessart 1885 [synonym]
Superfm. Arctoidea Flower 1869
+
Fm. Mustelidae Fischer 1817 [mustelid carnivore]
+
Subfm. Lutrinae Baird 1857 [otter]
+
G. Lutra Brisson 1762 [otter]
+
Lutra canadensis Schreber 1776 [North American river otter]
Lutra lutra Linnaeus 1758 [European otter]
†Lutra piscinaria Leidy 1873
†Lutra rhoadsii Cope 1896
G. †Pomatotherium Geoffroy 1833
+
†Pomatotherium pachycephalum Cope 1890
Invalid names: Brachypsalis Cope 1890 [synonym]
Subfm. Melinae Burmeister 1872 [badger]
+
G. Mephitis Cuvier 1800
+
†Mephitis fossidens Cope 1896
Mephitis frontata Coues 1875
†Mephitis leptops Cope 1899
Mephitis mephitica Shaw 1792
†Mephitis obtusata Cope 1899 [short-faced skunk]
†Mephitis orthrostica Cope 1896
G. Taxidea Waterhouse 1839 [badger]
+
†Taxidea sulcata Cope 1877
Taxidea taxus Schreber 1778 [American badger]
+
Invalid names: Taxidea americana Gray 1865 [synonym]
Subfm. †Mustelinae Fischer 1817
+
G. †Bunaelurus Cope 1873
+
G. Galictis Bell 1826 [grison]
+
†Galictis macrodon Cope 1868
Galictis vittata Schreber 1776 [greater grison]
G. Mustela Linnaeus 1758 [weasel]
+
Mustela americana Kerr 1792 [American marten]
†Mustela diluviana Cope 1889
Mustela martes Linnaeus 1758 [European pine marten]
†Mustela parviloba Cope 1873
Mustela pennantii Erxleben 1777 [fisher]
G. Putorius Cuvier 1817 [polecat]
+
†Putorius nambianus Cope 1874
Putorius putorius Linnaeus 1758 [European polecat]
Putorius vison Schreber 1777 [mink]
Fm. Procyonidae Gray 1825 [procyonid carnivore]
+
Subfm. Cercoleptinae Bonaparte 1850
+
Subfm. Procyoninae Gray 1825
+
G. Procyon Storr 1780 [raccoon]
+
Procyon lotor Linnaeus 1758 [raccoon]
†Procyon priscus Leconte 1848
Fm. Ursidae Gray 1825 [bear]
+
G. †Arctodus Leidy 1854
+
†Arctodus haplodon Cope 1896
†Arctodus pristinus Leidy 1854
†Arctodus simus Cope 1879 [giant short-faced bear]
G. Ursus Linnaeus 1758
+
Ursus americanus Pallas 1780 [black bear]
†Ursus amplidens Leidy 1853
Ursus arctos Linnaeus 1758 [brown bear]
†Ursus procerus Miller, Jr. 1899
Invalid names: Cynoidea Flower 1869 [empty]
Subor. Pinnipedia Illiger 1811 [pinniped]
+
Fm. Odobenidae Allen 1880 [walrus]
+
G. Odobenus Brisson 1762 [walrus]
+
Odobenus rosmarus Linnaeus 1758 [walrus]
+
Invalid names: Odobenotherium lartetianus Gratiolet 1858 [synonym]
Invalid names: Odobenotherium Gratiolet 1858 [synonym], Trichechus Linnaeus 1766 [synonym]
Invalid names: Rosmaridae Gill 1866 [synonym], Trichechidae Gray 1825 [synonym]
Fm. Otariidae Gray 1825 [eared seal]
+
Fm. Phocidae Gray 1821 [seal]
+
G. Lobodon Gray 1844 [crabeater seal]
+
Lobodon carcinophaga Hombron and Jacquinot 1843 [crabeater seal]
†Lobodon vetus Leidy 1853
G. Phoca Linnaeus 1758 [seal]
+
Phoca groenlandica Erxleben 1777 [harp seal]
Phoca vitulina Linnaeus 1758 [harbor seal]
†Phoca wymani Leidy 1854
Invalid names: Carnivora Bowdich 1821 [synonym]
Or. Glires Linnaeus 1758
+
Subor. Duplicidentata Illiger 1811
+
Superfm. Lagomorpha Brandt 1885
+
Fm. Leporidae Fischer de Waldheim 1817 [rabbit]
+
G. Lepus Linnaeus 1758 [hare]
+
†Lepus ennisianus Cope 1881
Lepus sylvaticus Bachman 1837
Lepus timidus Linnaeus 1758 [mountain hare]
G. †Palaeolagus Leidy 1856
+
†Palaeolagus agapetillus Cope 1873
†Palaeolagus intermedius Matthew 1899
†Palaeolagus leporinus Cope 1873
†Palaeolagus triplex Cope 1873
Invalid names: Tricium Cope 1873 [synonym]
Subor. Simplicidentata Flower 1883
+
Superfm. Myomorpha Brandt 1855
+
Fm. †Castoroididae Allen 1877
+
Fm. Caviidae Gray 1821
+
G. Hydrochoerus Brisson 1762 [capybara]
+
†Hydrochoerus aesopi Leidy 1853
Hydrochoerus hydrochaeris Linnaeus 1766 [capybara]
†Hydrochoerus robustus Leidy 1886
Invalid names: Oromys Leidy 1853 [synonym]
Fm. Dasyproctidae Gray 1825
+
G. Agouti Lacépède 1799 [paca]
+
Agouti paca Linnaeus 1766 [lowland paca]
Invalid names: Osteopera Harlan 1825 [synonym]
Fm. Geomyidae Bonaparte 1845 [pocket gopher]
+
G. †Entoptychus Cope 1878
+
†Entoptychus cavifrons Cope 1878
†Entoptychus crassiramis Cope 1878
†Entoptychus lambdoideus Cope 1881
†Entoptychus minor Cope 1881
†Entoptychus planifrons Cope 1878
G. Geomys Rafinesque 1817
+
†Geomys bisulcatus Marsh 1871
Geomys bursarius Shaw 1800 [plains pocket gopher]
G. †Pleurolicus Cope 1878
+
†Pleurolicus diplophysus Cope 1881
†Pleurolicus leptophrys Cope 1881
†Pleurolicus sulcifrons Cope 1878
G. Thomomys Wied-Neuwied 1839
+
Thomomys bulbivorus Richardson 1829
†Thomomys clusius Coues 1875
Thomomys talpoides Richardson 1828 [northern pocket gopher]
Invalid names: Protoptychidae Tullberg 1899 [synonym], Saccomyidae Baird 1857 [synonym]
Fm. Muridae Illiger 1811 [mouse]
+
Subfm. Cricetinae Fischer von Waldheim 1817
+
G. Peromyscus Gloger 1841 [deer mouse]
+
Peromyscus leucopus Rafinesque 1818 [white-footed mouse]
†Peromyscus loxodon Cope 1874
†Peromyscus nematodon Cope 1879
Invalid names: Hesperomys Waterhouse 1839 [synonym]
Invalid names: Sigmodontinae Wagner 1843 [synonym]
Subfm. Microtinae
+
G. Microtus Schrank 1798 [vole]
+
Microtus arvalis Pallas 1779 [common vole]
†Microtus didelta Cope 1871
†Microtus diluvianus Cope 1896
Microtus involutus Cope 1871
Microtus pennsylvanicus Ord 1815 [meadow vole]
Microtus pinetorum Le Conte 1830 [woodland vole]
†Microtus speothen Cope 1871
Invalid names: Arvicola Lacépède 1799 [synonym]
G. †Sycium
Invalid names: Hesperomyidae Ameghino 1889 [synonym], Neotominae Merriam 1894 [empty]
Invalid names: Sciuromorpha Brandt 1855 [empty]
Invalid names: Rodentia Bowdich 1821 [synonym]
Or. Insectivora Bowdich 1821 [insectivoran]
+
Fm. †Leptictidae Gill 1872
+
G. †Domnina Cope 1873
+
†Domnina crassigenis Cope 1873
†Domnina gradata Cope 1873
Invalid names: Miothen Cope 1873 [synonym]
G. †Ictops Leidy 1868
+
†Ictops bullatus Matthew 1899
†Ictops dakotensis Leidy 1868
†Ictops didelphoides Cope 1881
G. †Mesodectes Cope 1875
+
†Mesodectes caniculus Cope 1873
Invalid names: Isacis Cope 1873 [replaced]
Invalid names: Ictopsidae Schlosser 1887 [synonym]
Fm. Soricidae Fischer 1814 [shrew]
+
G. Blarina Gray 1838 [American short-tailed shrew]
+
Blarina brevicaudus Say 1823 [northern short-tailed shrew]
†Blarina simplicidens Cope 1899
Fm. Talpidae Fischer de Waldheim 1817 [mole]
+
Or. Primates Linnaeus 1758 [primate]
+
Subor. Prosimiae Milne Edwards
+
Fm. †Mixodectidae Cope 1883
+
G. †Anaptomorphus Cope 1872
+
†Anaptomorphus aemulus Cope 1872
†Anaptomorphus homunculus Cope 1882
†Anaptomorphus insignis Leidy 1873
Invalid names: Washakius Leidy 1873 [synonym]
Invalid names: Anaptomorphidae Cope 1883 [synonym]
Invalid names: Lemuroidea Mivart 1864 [synonym], Limnotheriidae Marsh 1875 [empty]
Or. Proboscidea Illiger 1811 [proboscidean]
+
Fm. Elephantidae Gray 1821 [elephant]
+
G. Elephas Linnaeus 1758 [elephant]
+
†Elephas columbi Falconer 1857 [Columbian mammoth]
+
Invalid names: Elephas imperator Leidy 1858 [synonym]
Elephas maximus Linnaeus 1758 [Asian elephant]
†Elephas primigenius Blumenbach 1799 [wooly mammoth]
+
Invalid names: Elephas americanus De Kay 1842 [synonym]
G. †Mammut Blumenbach 1799 [mastodon]
+
†Mammut americanum Kerr 1792 [American mastodon]
+
Invalid names: Mastodon giganteum Cuvier 1817 [synonym], Mastodon tapiroides Cuvier 1824 [synonym], Tapirus mastodontoides Harlan 1825 [synonym], Trilophodon ohioticus Blumenbach 1797 [synonym]
†Mammut brevidens Cope 1889
†Mammut campestre Cope 1877
†Mammut chapmani Hays 1834
†Mammut euhypodon Cope 1884
†Mammut floridanum Leidy 1886
†Mammut humboldii Cuvier 1805
†Mammut mirificum Leidy 1858
†Mammut praecursor Cope 1893
†Mammut proavus Cope 1873
†Mammut productum Cope 1874
†Mammut rugosidens Leidy 1890
†Mammut serridens Cope 1884
†Mammut shepardi Leidy 1870
Invalid names: Caenobasileus Cope 1877 [synonym], Mastodon Cuvier 1817 [synonym]
Or. Sirenia Illiger 1811 [sirenian]
+
Fm. †Halitheriidae Gill 1872
+
Fm. †Hydrodamalidae Palmer 1895
+
G. †Hydrodamalis Retzius 1794 [Steller's sea cow]
+
†Hydrodamalis gigas Zimmermann 1780 [Steller's sea cow]
+
Invalid names: Rhytina borealis Brandt 1849 [synonym], Rhytina stellerus Brandt 1849 [synonym]
Invalid names: Rhytina Berthold 1827 [synonym]
Invalid names: Rhytinidae Gill 1872 [synonym]
Fm. Trichechidae Gray 1821 [manatee]
+
G. Trichechus Linnaeus 1758 [manatee]
+
†Trichechus inornatus Leidy 1873
Trichechus manatus Linnaeus 1758
+
Invalid names: Manatus americanus De Kay 1842 [synonym], Manatus latirostris Harlan 1824 [synonym]
Invalid names: Manatus Brunnich 1772 [synonym]
Invalid names: Manatidae Gray 1821 [synonym]
Or. †Tillodontia Marsh 1875 [tillodont]
+
Fm. †Esthonychidae Cope 1883
+
G. †Esthonyx Cope 1874
+
†Esthonyx acer Cope 1874
†Esthonyx acutidens Cope 1881
†Esthonyx bisulcatus Cope 1874
†Esthonyx burmeisterii Cope 1874
†Esthonyx spatularius Cope 1880
Invalid names: Anchippodontidae Gill 1872 [empty]
Or. Ungulata Linnaeus 1766
+
Subor. Artiodactyla Owen 1848 [even-toed ungulate]
+
Superfm. †Pantolestoidea Cope 1887
+
Fm. †Helohyidae Marsh 1877
+
G. †Helohyus Marsh 1872
+
†Helohyus lentus Marsh 1871
†Helohyus plicodon Marsh 1872
†Helohyus validus Marsh 1872
Invalid names: Thinotherium Marsh 1872 [synonym]
Fm. †Homacodontidae Marsh 1849
+
G. †Homacodon Marsh 1872
+
†Homacodon caudatus Marsh 1894
†Homacodon priscus Marsh 1894
†Homacodon pucillus Marsh 1894
†Homacodon vagans Marsh 1872
G. †Nanomeryx Marsh 1894
Fm. †Pantolestidae Cope 1884
+
G. †Trigonolestes Cope 1894
+
†Trigonolestes brachystomus Cope 1882
†Trigonolestes chacensis Cope 1875
†Trigonolestes etsagicus Cope 1882
†Trigonolestes metsiacus Cope 1882
†Trigonolestes nuptus Cope 1882
†Trigonolestes secans Cope 1881
Invalid names: Eohyidae Marsh 1894 [empty]
Superfm. Suoidea Gray 1821
+
Fm. Suidae Gray 1821 [pig]
+
Subfm. †Hyotheriinae Cope 1888
+
G. †Bothrolabis Cope 1888
+
†Bothrolabis pristinus Leidy 1873
†Bothrolabis rostratus Cope 1888
†Bothrolabis subaequans Cope 1879
†Bothrolabis trichaenus Cope 1879
G. †Hyotherium von Meyer 1834
+
†Hyotherium americanum Scott and Osborn 1887
†Hyotherium platyops Cope 1881
†Hyotherium soemereringii von Meyer 1834
G. †Leptochoerus Leidy 1856
+
†Leptochoerus gracilis Marsh 1894
†Leptochoerus spectabilis Leidy 1856
G. †Perchoerus Leidy 1869
+
†Perchoerus antiquus Marsh 1870
†Perchoerus lentus Marsh 1875
†Perchoerus nanus Marsh 1894
†Perchoerus probus Leidy 1856
†Perchoerus robustus Marsh 1894
†Perchoerus socialis Marsh 1875
Invalid names: Thinohyus Marsh 1875 [synonym]
Subfm. Tayassuinae Palmer 1897
+
G. †Platygonus Leconte 1848
+
†Platygonus bicalcaratus Cope 1893
†Platygonus compressus Leconte 1848
+
Invalid names: Dicotyles costatus Le Conte 1852 [synonym], Euchoerus macrops Leidy 1853 [synonym], Hyops depressifrons Leconte 1848 [synonym], Protochoerus prismaticus Leconte 1848 [synonym]
†Platygonus condoni Marsh 1871
†Platygonus leptorhinus Williston 1894
†Platygonus rex Marsh 1894
†Platygonus striatus Marsh 1871
†Platygonus vetus Leidy 1882
†Platygonus ziegleri Marsh 1871
Invalid names: Euchoerus Leidy 1853 [synonym], Hyops Leconte 1848 [synonym], Protochoerus Leconte 1848 [synonym]
G. Tayassu Fischer 1814
+
†Tayassu hesperius Marsh 1871
†Tayassu nasutus Leidy 1868
†Tayassu pennsylvanicus Leidy 1889
†Tayassu serus Cope 1877
Tayassu tajacu Linnaeus 1758 [collared peccary]
+
Invalid names: Dicotyles lenis Leidy 1869 [synonym], Dicotyles torquatus Cope 1867 [synonym]
†Tayassu tetragonus Cope 1899
Invalid names: Dicotyles Cuvier 1817 [synonym], Mylohyus Cope 1869 [synonym]
Invalid names: Dicotylinae Cope 1888 [synonym]
Invalid names: Achaenodontinae [empty]
Invalid names: Anthracotherioidea Gill 1872 [empty], Booidea [empty], Cameloidea [empty], Paraxonia Marsh 1884 [synonym]
Subor. †Condylarthra Cope 1881
+
Fm. †Meniscotheriidae Cope 1882
+
G. †Meniscotherium Cope 1874
+
†Meniscotherium chamense Cope 1874
†Meniscotherium tapiacitis Cope 1882
†Meniscotherium terraerubrae Cope 1881
Fm. †Mioclaenidae Osborn and Earle 1895 [condylarth]
+
G. †Mioclaenus Cope 1881
+
†Mioclaenus lemuroides Matthew 1897
†Mioclaenus lydekkerianus Cope 1888
†Mioclaenus turgidunculus Cope 1888
G. †Protoselene Matthew 1897
+
Fm. †Phenacodontidae Cope 1881 [condylarth]
+
G. †Oxyacodon Osborn and Earle 1895
+
†Oxyacodon agapetillus Cope 1884
†Oxyacodon apiculatus Osborn and Earle 1895
G. †Phenacodus Cope 1873
+
†Phenacodus brachypternus Cope 1882
†Phenacodus hemiconus Cope 1882
†Phenacodus macropternus Cope 1882
†Phenacodus nuniensis Cope 1885
†Phenacodus omnivorus Cope 1874
†Phenacodus sulcatus Cope 1874
†Phenacodus vortmani Cope 1880
G. †Protogonodon Scott 1892
+
†Protogonodon pentacus Cope 1888
†Protogonodon stenognathus Matthew 1897
G. †Tetraclaenodon Scott 1892
+
†Tetraclaenodon puercensis Cope 1881
+
Invalid names: Phenacodus calceolatus Cope 1883 [synonym], Protogonia plicifera Cope 1882 [synonym], Tetraclaenodon floverianus Cope 1888 [synonym]
†Tetraclaenodon subquadratus Cope 1881
Invalid names: Euprotogonia Cope 1893 [synonym]
Subor. Perissodactyla Owen 1848 [odd-toed ungulate]
+
Superfm. †Brontotherioidea Marsh 1873
+
Fm. †Brontotheriidae Marsh 1873 [brontothere]
+
Subfm. †Brontotheriinae Marsh 1873
+
G. †Brontotherium Marsh 1873
+
†Brontotherium bucco Cope 1873
†Brontotherium dolichoceras Scott and Osborn 1887
†Brontotherium hypoceras Cope 1874
†Brontotherium medium Marsh 1891
†Brontotherium ophryas Cope 1873
†Brontotherium platyceras Scott and Osborn 1887
†Brontotherium ramosum Osborn 1896
†Brontotherium robustum Marsh 1887
†Brontotherium selwynianum Cope 1889
†Brontotherium tichoceras Scott and Osborn 1887
Invalid names: Brontops Marsh 1887 [synonym], Miobasileus Cope 1873 [synonym], Titanops Marsh 1887 [synonym]
G. †Megacerops Leidy 1870
+
†Megacerops amplus Marsh 1890
†Megacerops crassicornis Marsh 1891
†Megacerops dispar Marsh 1887
†Megacerops serotinus Marsh 1887
Invalid names: Allops Marsh 1887 [synonym], Haplacodon Cope 1889 [synonym]
G. †Symborodon Cope 1873
+
†Symborodon acer Cope 1873
†Symborodon montanus Marsh 1875
†Symborodon torvus Cope 1873
Invalid names: Anisacodon Marsh 1875 [synonym]
G. †Titanotherium Leidy 1852
+
†Titanotherium heloceras Cope 1873
†Titanotherium ingens Marsh 1874
†Titanotherium proutii Leidy 1850
†Titanotherium trigonoceras Cope 1873
Invalid names: Menops Marsh 1887 [synonym]
Invalid names: Lambdotheriinae Cope 1889 [empty], Menodontidae Cope 1881 [synonym], Titanotheriidae [synonym]
Superfm. Equoidea Hay 1902
+
Fm. Equidae Gray 1821 [horse]
+
Subfm. Equinae Steinmann and Döderlein 1890
+
G. Equus Linnaeus 1758 [horse]
+
Equus caballus Linnaeus 1758 [horse]
†Equus complicatus Leidy 1858
+
Invalid names: Equus americanus Leidy 1847 [synonym], Equus eous Cope 1895 [synonym], Equus major DeKay 1842 [synonym], Equus nearcticus Blake 1863 [synonym], Hippotherium princeps Leidy 1890 [synonym]
†Equus conversidens Owen 1869
†Equus crenidens Cope 1884
†Equus excelsus Leidy 1858
†Equus giganteus Gidley 1901
†Equus occidentalis Leidy 1865
†Equus pacificus Leidy 1868
†Equus pectinatus Cope 1901
†Equus scotti Gidley 1900
†Equus semiplicatus Cope 1893
Invalid names: Tomolabis Cope 1892 [synonym]
G. †Hipparion de Christol 1832
+
†Hipparion affine Leidy 1869
†Hipparion calamarium Cope 1875
†Hipparion eurystylum Cope 1893
†Hipparion isonesum Cope 1889
†Hipparion montezumae Leidy 1882
†Hipparion occidentale Leidy 1856
†Hipparion paniense Cope 1874
†Hipparion peninsulatum Cope 1885
†Hipparion plicatile Leidy 1887
†Hipparion rectidens Cope 1886
†Hipparion relictum Cope 1889
†Hipparion retrusum Cope 1889
†Hipparion seversum Cope 1878
†Hipparion sinclairii Wortman 1882
†Hipparion speciosum Leidy 1854
†Hipparion sphenodus Cope 1889
†Hipparion venustum Leidy 1853
Invalid names: Hippotherium Kaup 1832 [synonym]
G. †Merychippus Leidy 1856
+
†Merychippus avus Marsh 1874
†Merychippus castilli Cope 1886
†Merychippus cumminsii Cope 1893
†Merychippus fossulatus Cope 1893
†Merychippus insignis Leidy 1856
†Merychippus labrosus Cope 1874
†Merychippus lenticularis Cope 1893
†Merychippus mirabilis Leidy 1858
†Merychippus pachyops Cope 1893
†Merychippus parvulus Marsh 1868
†Merychippus perditus Leidy 1858
+
Invalid names: Anchitherium (Parahippus) cognatus Leidy 1858 [synonym]
†Merychippus placidus Leidy 1869
†Merychippus sejunctus Cope 1874
†Merychippus supremus Leidy 1869
Invalid names: Protohippus Leidy 1858 [synonym]
G. †Pliohippus Marsh 1874
+
†Pliohippus gracilis Marsh 1892
†Pliohippus pernix Marsh 1874
†Pliohippus robustus Marsh 1874
†Pliohippus simplicidens Cope 1892
Subfm. †Hyracotheriinae Cope 1881
+
G. †Anchitherium von Meyer 1844
+
†Anchitherium aurelianense Cuvier 1825
†Anchitherium equinum Scott 1893
G. †Eohippus Marsh 1876
+
†Eohippus craspedotus Cope 1880
†Eohippus cristatus Wortman 1896
†Eohippus index Cope 1873
+
Invalid names: Orohippus angustidens Cope 1875 [synonym], Orohippus cuspidatus Cope 1875 [synonym]
†Eohippus pernix Marsh 1876
†Eohippus tapirinus Cope 1875
†Eohippus validus Marsh 1876
†Eohippus vasacciensis Cope 1872
Invalid names: Systemodon Cope 1881 [synonym]
G. †Miohippus Marsh 1874
+
†Miohippus agrestis Leidy 1873
†Miohippus anceps Marsh 1874
†Miohippus annectens Marsh 1874
†Miohippus australis Leidy 1873
†Miohippus bairdi Leidy 1850
†Miohippus brachylophus Cope 1879
†Miohippus celer Marsh 1874
†Miohippus condoni Leidy 1870
†Miohippus copei Osborn and Wortman 1895
†Miohippus cuneatus Cope 1873
†Miohippus equiceps Cope 1878
†Miohippus exoletus Cope 1874
†Miohippus intermedius Osborn and Wortman 1895
†Miohippus longicristis Cope 1878
†Miohippus praestans Cope 1879
†Miohippus ultimus Cope 1886
†Miohippus westonii Cope 1889
G. †Orohippus Marsh 1872
+
†Orohippus agilis Marsh 1873
†Orohippus ballardi Marsh 1871
†Orohippus cinctus Cope 1873
†Orohippus major Marsh 1874
†Orohippus osbornianus Cope 1883
†Orohippus procyoninus Cope 1871
†Orohippus sylvaticus Leidy 1870
†Orohippus uintanus Marsh 1872
Invalid names: Helotherium Cope 1872 [synonym], Oligotomus Cope 1873 [synonym], Orotherium Marsh 1872 [synonym]
Superfm. Rhinocerotoidea Gray 1821
+
Fm. †Amynodontidae Scott and Osborn 1883
+
G. †Amynodon Marsh 1877
+
†Amynodon advenus Marsh 1875
†Amynodon antiquus Scott and Osborn 1882
†Amynodon intermedius Osborn 1890
Invalid names: Orthocynodon Scott and Osborn 1882 [synonym]
Fm. †Hyracodontidae Cope 1879
+
Subfm. †Hyrachyinae Osborn 1892
+
G. †Hyrachyus Leidy 1871
+
†Hyrachyus affinis Marsh 1871
†Hyrachyus agrarius Leidy 1871
+
Invalid names: Hyrachyus agrestis Leidy 1871 [synonym], Hyrachyus bairdianus Marsh 1871 [synonym]
†Hyrachyus eximius Leidy 1871
†Hyrachyus imperialis Osborn et al. 1878
†Hyrachyus implicatus Cope 1873
+
Invalid names: Hyrachyus crassidens Osborn et al. 1878 [synonym], Hyrachyus intermedius Osborn et al. 1878 [synonym]
†Hyrachyus modestus Leidy 1870
†Hyrachyus paradoxus Osborn 1878
†Hyrachyus princeps Marsh 1872
Invalid names: Hyracodontinae Steinmann and Doderlein 1890 [empty], Triplopodinae Cope 1881 [empty]
Fm. Rhinocerotidae Gray 1821 [rhinoceros]
+
Subfm. †Diceratheriinae Dollo 1885
+
G. †Caenopus Cope 1880
+
†Caenopus copei Osborn 1898
†Caenopus occidentalis Leidy 1850
†Caenopus simplicidens Cope 1891
G. †Diceratherium Marsh 1875
+
†Diceratherium annectens Marsh 1873
†Diceratherium armatum Marsh 1875
†Diceratherium hesperium Leidy 1865
†Diceratherium nanum Marsh 1875
†Diceratherium oregonense Marsh 1873
†Diceratherium pacificum Leidy 1872
†Diceratherium truquianum Cope 1879
Subfm. †Elasmotheriinae Bonaparte 1850
+
G. †Aceratherium Kaup 1834
+
†Aceratherium incisivus Cuvier 1824
†Aceratherium platycephalum Osborn and Wortman 1894
G. †Aphelops Owen 1845
+
†Aphelops crassus Leidy 1858
†Aphelops jemezanus Cope 1875
†Aphelops malacorhinus Cope 1878
†Aphelops matutinus Marsh 1870
†Aphelops megalodus Cope 1873
†Aphelops meridianus Leidy 1865
†Aphelops profectus Matthew 1899
†Aphelops superciliosus Cope 1880
Invalid names: Peraceras Cope 1880 [synonym]
Invalid names: Aceratheriinae Dollo 1885 [synonym]
Invalid names: Teleoceratinae [empty]
Superfm. Tapiroidea Gill 1872
+
Fm. †Lophiodontidae Gill 1872
+
G. †Colodon Marsh 1890
+
†Colodon dakotensis Osborn and Wortman 1895
†Colodon longipes Osborn and Wortman 1894
†Colodon occidentalis Leidy 1868
†Colodon procuspidatus Osborn and Wortman 1895
G. †Helaletes Marsh 1872
+
†Helaletes boops Marsh 1872
†Helaletes guyotii Scott 1883
†Helaletes minusculus Scott 1883
†Helaletes nanus Marsh 1871
Invalid names: Desmatotherium Scott 1883 [synonym], Dilophodon Scott 1883 [synonym]
G. †Heptodon Cope 1882
+
†Heptodon calciculus Cope 1880
†Heptodon posticus Cope 1882
†Heptodon singularis Cope 1875
†Heptodon ventorum Cope 1880
Invalid names: Helaletidae Osborn 1892 [synonym]
Fm. Tapiridae Gray 1821 [tapir]
+
G. †Homogalax Hay 1899
+
†Homogalax primaevus Wortman 1896
†Homogalax protapirinus Wortman 1896
†Homogalax semihians Cope 1882
G. †Isectolophus Scott and Osborn 1887
+
†Isectolophus annectens Scott and Osborn 1887
†Isectolophus latidens Osborn et al. 1878
G. †Protapirus Filhol 1877
+
†Protapirus obliquidens Wortman and Earle 1893
†Protapirus priscus Filhol 1874
†Protapirus simplex Wortman and Earle 1893
†Protapirus validus Hatcher 1896
G. Tapirus Brisson 1762 [tapir]
+
Tapirus terrestris Linnaeus 1758 [Brazilian tapir]
+
Invalid names: Tapirus americanus Gmelin 1788 [synonym]
Invalid names: Lophiodontoidea [synonym]
Invalid names: Mesaxonia Marsh 1884 [synonym]
Subcl. †Prototheria Gill 1872
+
Or. †Allotheria Marsh 1880
+
Fm. †Bolodontidae Osborn 1887
+
G. †Allacodon Marsh 1889
+
†Allacodon fortis Marsh 1892
†Allacodon lentus Marsh 1889
†Allacodon pumilis Marsh 1889
†Allacodon rarus Marsh 1892
Invalid names: Allodontidae Marsh 1889 [synonym], Chirogidae Cope 1887 [synonym]
Fm. †Plagiaulacidae Gill 1872
+
Invalid names: Cimolomidae Marsh 1889 [synonym], Dipriodontidae Marsh 1889 [synonym], Plagiaulacinae Gill 1872 [empty], Polymastodontinae Cope 1884 [empty]
Invalid names: Multituberculata Cope 1884 [synonym]
Invalid names: Protodonta Osborn 1888 [empty]
Cl. Pisces Linnaeus 1758
+
Subcl. Teleostomi Bonaparte 1836
+
Superor. Actinopteri Cope 1871
+
Or. Chondrostei Müller 1844
+
Fm. Acipenseridae Bonaparte 1831
+
Fm. Dictyopygidae
+
G. †Redfieldius Hay 1899
+
†Redfieldius anguilliformis Redfield 1841
†Redfieldius gracilis Redfield 1837
†Redfieldius minor Newberry 1888
†Redfieldius ornatus Newberry 1888
†Redfieldius parvulus Redfield 1841
†Redfieldius redfieldi Egerton 1847
Invalid names: Catopterus Redfield 1837 [replaced]
Invalid names: Catopteridae Woodward 1890 [synonym]
Fm. †Palaeoniscidae Vogt 1852
+
G. †Cheirolepis Agassiz 1835
+
†Cheirolepis canadensis Whiteaves 1881
†Cheirolepis traillii Agassiz 1835
G. †Elonichthys Giebel 1848
+
†Elonichthys brownii Jackson 1851
†Elonichthys elegans Emmons 1860
†Elonichthys germari Giebel 1848
†Elonichthys hypsilepis Hay 1900
†Elonichthys macropterus Bronn 1829
†Elonichthys peltigerus Newberry 1856
G. †Haplolepis Miller 1892
+
†Haplolepis corrugata Newberry 1856
†Haplolepis minima Newberry 1873
†Haplolepis ornatissima Newberry 1856
†Haplolepis ovoidea Newberry 1856
†Haplolepis serrata Newberry 1856
†Haplolepis striolata Newberry 1873
†Haplolepis tuberculata Newberry 1856
Invalid names: Eurylepis Newberry 1856 [synonym], Mecolepis Newberry 1856 [synonym]
G. †Palaeoniscum Blainville 1818
+
†Palaeoniscum antiquum Williams 1886
†Palaeoniscum devonicum Clarke 1885
†Palaeoniscum freieslebeni Blainville 1818
†Palaeoniscum reticulatum Williams 1886
†Palaeoniscum scutigerum Newberry 1868
G. †Pygopterus Agassiz 1833
+
G. †Rhadinichthys Traquair 1877
+
†Rhadinichthys alberti Jackson 1851
†Rhadinichthys cairnsii Jackson 1851
†Rhadinichthys gracilis Newberry and Worthen 1870
†Rhadinichthys leidyianus Lea 1858
†Rhadinichthys lineatus Newberry 1856
†Rhadinichthys modulus Dawson 1877
†Rhadinichthys ornatissimus Agassiz 1835
G. †Tegeolepis Miller 1892
+
†Tegeolepis clarkii Newberry 1888
Invalid names: Actinophorus Newberry 1888 [synonym]
Fm. †Platysomidae
+
G. †Platysomus Agassiz 1833
+
†Platysomus circularis Newberry and Worthen 1870
†Platysomus gibbosus Blainville 1818
†Platysomus lacovianus Cope 1891
†Platysomus orbicularis Newberry and Worthen 1870
†Platysomus palmaris Cope 1891
Fm. Polyodontidae Bonaparte 1838 [paddlefish]
+
Or. Holostei Müller 1846
+
Subor. Ginglymodi Cope 1871
+
Fm. Lepisosteidae Cuvier 1825
+
G. Lepisosteus Agassiz 1843
+
†Lepisosteus aganus Cope 1877
†Lepisosteus cuneatus Cope 1884
†Lepisosteus cycliferus Cope 1873
†Lepisosteus glaber Marsh 1871
†Lepisosteus integer Cope 1877
†Lepisosteus nahunticus Cope 1869
†Lepisosteus notabilis Leidy 1873
Lepisosteus osseus Linnaeus 1758
†Lepisosteus simplex Leidy 1873
†Lepisosteus whitneyi Marsh 1871
Invalid names: Pneumatosteus Cope 1869 [synonym]
Invalid names: Lepidosteidae Cuvier 1825 [misspelling]
Invalid names: Lepidotidae Owen 1860 [empty]
Subor. Halecomorphi Cope 1872
+
Fm. Amiidae Huxley 1861
+
G. Amia Linnaeus 1766 [bowfin]
+
†Amia depressa Marsh 1871
†Amia dictyocephala Cope 1875
†Amia elegans Leidy 1873
†Amia gracilis Leidy 1873
†Amia macrospondyla Cope 1891
†Amia media Leidy 1873
†Amia newberriana Marsh 1871
†Amia scutata Cope 1875
†Amia uintaensis Leidy 1873
†Amia whiteavesiana Cope 1891
Invalid names: Protamia Leidy 1873 [synonym]
G. †Pappichthys
+
†Pappichthys corsoni Cope 1873
†Pappichthys laevis Cope 1873
†Pappichthys plicatus Cope 1873
†Pappichthys sclerops Cope 1873
Fm. †Isopholidae Hay 1899
+
G. †Ptycholepis Agassiz 1832
+
†Ptycholepis bollensis Agassiz 1832
†Ptycholepis marshii Newberry 1878
Invalid names: Eugnathidae Woodward 1895 [replaced]
Fm. †Pachycormidae Woodward 1895
+
G. †Protosphyraena Leidy 1857
+
†Protosphyraena angulata Cope 1872
†Protosphyraena bentoniana Stewart 1898
†Protosphyraena chirurgus Cope 1875
†Protosphyraena dimidiata Cope 1878
†Protosphyraena gigas Stewart 1899
†Protosphyraena gladius Cope 1878
†Protosphyraena nitida Cope 1873
†Protosphyraena obliquidens Loomis 1900
†Protosphyraena occidentalis Stewart 1898
†Protosphyraena penetrans Cope 1877
†Protosphyraena perniciosa Cope 1874
†Protosphyraena recurvirostris Stewart 1896
†Protosphyraena tenuis Loomis 1900
†Protosphyraena ziphioides Cope 1877
Invalid names: Erisichthe Cope 1873 [synonym]
Invalid names: Pelecopteridae Cope 1875 [synonym], Protosphyraenidae Cope 1892 [synonym]
Invalid names: Amioidei [synonym], Protospondyli Woodward 1895 [synonym]
Or. †Isospondyli Cope 1887
+
Fm. Albulidae Bleeker 1859
+
Fm. Chirocentridae Cuvier and Valenciennes 1846
+
Subfm. †Ichthyodectinae Crook 1892
+
G. †Ichthyodectes Cope 1870
+
†Ichthyodectes acanthicus Cope 1877
†Ichthyodectes anaides Cope 1872
†Ichthyodectes cruentus Hay 1898
†Ichthyodectes ctenodon Cope 1870
†Ichthyodectes goodeanus Cope 1877
†Ichthyodectes hamatus Cope 1872
†Ichthyodectes multidentatus Cope 1872
†Ichthyodectes parvus Stewart 1900
†Ichthyodectes prognathus Cope 1870
G. †Portheus Cope 1871
+
†Portheus audax Leidy 1870
†Portheus brachygnathus Stewart 1898
†Portheus lestrio Cope 1873
†Portheus lowii Stewart 1898
†Portheus molossus Cope 1871
†Portheus mudgei Cope 1874
†Portheus thaumas Cope 1870
Invalid names: Xiphactinus Leidy 1870 [synonym]
Invalid names: Saurocephalinae [empty], Saurodontidae Stewart [synonym]
Fm. Clupeidae Cuvier 1817 [herring]
+
G. †Diplomystus Cope 1877
+
†Diplomystus altus Leidy 1873
†Diplomystus analis Cope 1877
†Diplomystus dentatus Cope 1877
†Diplomystus humilis Leidy 1856
†Diplomystus pectorosus Cope 1877
†Diplomystus theta Cope 1873
G. †Sardinius von der Marck 1858
+
†Sardinius blackburnii Cope 1891
†Sardinius cordieri Agassiz 1839
†Sardinius lineatus Cope 1878
†Sardinius nasutulus Cope 1878
†Sardinius percrassus Cope 1878
Fm. †Enchodontidae Woodward 1901
+
G. †Enchodus Agassiz 1835
+
†Enchodus amicrodus Stewart 1898
†Enchodus anceps Cope 1872
†Enchodus calliodon Cope 1872
†Enchodus dolichus Cope 1875
†Enchodus faujasi Agassiz 1843
†Enchodus ferox Leidy 1855
†Enchodus gentryi Cope 1875
†Enchodus gladiolus Cope 1872
†Enchodus oxytomus Cope 1875
†Enchodus parvus Stewart 1898
†Enchodus petrosus Cope 1874
†Enchodus pressidens Cope 1889
†Enchodus semistriatus Marsh 1869
†Enchodus shumardii Leidy 1856
†Enchodus tetraecus Cope 1875
Fm. Osteoglossidae Bonaparte 1832 [arowana]
+
G. †Anogmius Cope 1871
+
†Anogmius aratus Cope 1877
†Anogmius contractus Cope 1871
†Anogmius evolutus Cope 1877
†Anogmius favirostris Cope 1877
†Anogmius intermedius Loomis 1900
†Anogmius rotundus Loomis 1900
†Anogmius zitteli Loomis 1900
Invalid names: Pseudothryptodus Loomis 1900 [synonym], Thryptodus Loomis 1900 [synonym]
G. †Phareodus Leidy 1873
+
†Phareodus acutus Leidy 1873
†Phareodus aequipinnis Cope 1878
†Phareodus encaustus Cope 1871
†Phareodus testis Cope 1877
Invalid names: Dapedoglossus Cope 1877 [synonym]
Fm. †Pachyrhizodontidae Cope 1872
+
G. †Conosaurus Gibbes 1851
+
†Conosaurus bowmani Gibbes 1851
Invalid names: Conosaurops Leidy 1868 [synonym]
G. †Pachyrhizodus Agassiz 1850
+
†Pachyrhizodus basalis Dixon 1850
†Pachyrhizodus caninus Cope 1872
†Pachyrhizodus curvatus Loomis 1900
†Pachyrhizodus kingii Cope 1872
†Pachyrhizodus latimentum Cope 1872
†Pachyrhizodus leptognathus Stewart 1898
†Pachyrhizodus leptopsis Cope 1874
†Pachyrhizodus minimus Stewart 1899
†Pachyrhizodus velox Stewart 1898
Fm. †Pholidophoridae Woodward 1890
+
G. †Pholidophorus Agassiz 1832
+
†Pholidophorus americanus Eastman 1899
†Pholidophorus bechei Agassiz 1837
Fm. Salmonidae Cuvier 1816
+
Fm. Stratodontidae
+
G. †Empo Cope 1872
+
†Empo contracta Cope 1874
†Empo lisbonensis Stewart 1899
†Empo merrillii Cope 1874
†Empo nepaholica Cope 1872
†Empo semianceps Cope 1872
Or. Nematognathi Gill 1861
+
Fm. Siluridae Cuvier 1816
+
G. †Rhineastes Cope 1872
+
†Rhineastes arcuatus Cope 1873
†Rhineastes calvus Cope 1873
†Rhineastes pectinatus Cope 1874
†Rhineastes peltatus Cope 1872
†Rhineastes radulus Cope 1873
Rhineastes rhaeas Cope 1891
†Rhineastes smithii Cope 1872
Or. †Percomorphi
+
Subor. Pareiopliteae Richardson 1836
+
Superfm. Cottoidea
+
Fm. Cottidae
+
G. Cottus Linnaeus 1758
+
†Cottus cryptotremus Cope 1883
†Cottus divaricatus Cope 1883
†Cottus hypoceras Cope 1883
†Cottus pontifex Cope 1883
Superfm. Scorpaenoidea Garman 1899
+
Invalid names: Cyclopteroidea Gill 1889 [empty]
Subor. Pharyngognathi
+
Superfm. Berycoidea Patterson 1964
+
Fm. Labridae Cuvier 1816
+
G. †Nummopalatus Roualt 1858
+
†Nummopalatus carolinensis Leidy 1856
†Nummopalatus edwardsius Roualt 1858
G. †Phyllodus Agassiz 1839
+
†Phyllodus curvidens Marsh 1869
†Phyllodus elegans Marsh 1869
†Phyllodus hipparionyx Eastman 1900
Superfm. Percoidea Bleeker 1859
+
Fm. Aphredoderidae
+
G. †Erismatopterus Cope 1870
+
†Erismatopterus endlichii Cope 1877
†Erismatopterus levatus Cope 1870
†Erismatopterus rickseckeri Cope 1871
G. †Trichophanes Cope 1872
+
†Trichophanes copei Osborn et al. 1878
†Trichophanes foliarum Cope 1878
†Trichophanes hians Cope 1872
Invalid names: Asineopidae [synonym]
Fm. Percidae Cuvier 1816 [perch]
+
G. †Mioplosus Cope 1877
+
†Mioplosus abbreviatus Cope 1877
†Mioplosus beani Cope 1877
†Mioplosus labracoides Cope 1877
†Mioplosus longus Cope 1877
†Mioplosus multidentatus Cope 1891
†Mioplosus sauvageanus Cope 1884
G. †Plioplarchus Cope 1883
+
†Plioplarchus septemspinosus Cope 1889
†Plioplarchus sexspinosus Cope 1883
†Plioplarchus whitei Cope 1883
Fm. Sparidae Bonaparte 1832
+
Fm. Pomacentridae
+
G. †Priscacara Cope 1877
+
†Priscacara clivosa Cope 1878
†Priscacara cypha Cope 1877
†Priscacara hypsacantha Cope 1886
†Priscacara liops Cope 1877
†Priscacara oxyprion Cope 1878
†Priscacara pealei Cope 1878
†Priscacara serrata Cope 1877
†Priscacara testudinaria Cope 1877
Superfm. †Scombroidea Rafinesque-Schmaltz 1815
+
Fm. Xiphiidae Swainson 1839 [sword fish]
+
Subfm. Istiophorinae
+
G. Istiophorus Lacépède 1802
+
†Istiophorus antiquus Leidy 1855
†Istiophorus homalorhamphus Cope 1855
†Istiophorus parvulus Marsh 1869
Istiophorus robustus Leidy 1860
Invalid names: Histiophorus Lacépède 1802 [misspelling]
Invalid names: Sciaenoidea Gill 1872 [empty]
Subor. Squamipinnes
+
Invalid names: Mesichthyes Hay 1902 [empty], Phthinobranchii Hay 1902 [empty], Plectospondyli Cope 1872 [empty], Pycnodonti [empty]
Superor. Crossopterygia Huxley 1861
Superor. Rhipidistia Cope 1887
+
Or. Actinistia Cope 1870
+
Fm. Coelacanthidae Agassiz 1843
+
G. †Coelacanthus Agassiz 1839
+
†Coelacanthus granulatus Agassiz 1839
†Coelacanthus ornatus Newberry 1856
†Coelacanthus robustus Newberry 1856
Invalid names: Conchiopsis Cope 1873 [synonym]
G. †Peplorhina Cope 1873
+
†Peplorhina anthracina Cope 1873
†Peplorhina arctata Cope 1877
†Peplorhina exanthematica Cope 1873
Fm. †Holoptychiidae Owen 1859
+
G. †Holoptychius Agassiz 1843
+
†Holoptychius americanus Leidy 1843
†Holoptychius filosus Cope 1892
†Holoptychius flabellatus Cope 1892
†Holoptychius giganteus Agassiz 1843
†Holoptychius granulatus Newberry 1889
†Holoptychius hallii Newberry 1889
†Holoptychius latus Cope 1897
†Holoptychius nobilissimus Agassiz 1835
†Holoptychius pustulosus Newberry 1889
†Holoptychius quebecensis Whiteaves 1889
†Holoptychius radiatus Newberry 1889
†Holoptychius serrulatus Cope 1897
†Holoptychius tuberculatus Newberry 1889
Fm. †Megalichthyidae Hay 1902
+
G. †Megalichthys Agassiz 1835
+
†Megalichthys anceps Newberry 1888
†Megalichthys angustus Newberry 1856
†Megalichthys hibberti Agassiz 1835
†Megalichthys incurvus Newberry 1856
†Megalichthys lancifer Newberry 1856
G. †Rhizodopsis Young 1866
+
†Rhizodopsis granulatus Salter 1861
†Rhizodopsis mazonius Hay 1900
Invalid names: Orthognathus Barkas 1873 [synonym]
G. †Strepsodus Huxley and Etheridge 1865
+
†Strepsodus arenosus Hay 1900
†Strepsodus dawsoni Hay 1900
†Strepsodus hardingi Dawson 1868
†Strepsodus sauroides Binney 1841
Fm. †Onychodontidae Woodward 1891
+
Fm. †Osteolepidae
+
G. †Parabatrachus Owen 1853
+
†Parabatrachus ciceronius Cope 1883
†Parabatrachus colei Owen 1853
†Parabatrachus macropomus Cope 1892
†Parabatrachus maxillaris Agassiz 1843
†Parabatrachus nitidus Cope 1880
Invalid names: Aspidoganoidei Gill 1876 [empty], Azygostei Hay 1902 [empty]
Cl. Reptilia Laurenti 1768 [reptile]
+
Or. Cotylosauria Cope 1880
+
Fm. †Diadectidae Cope 1880
+
G. †Diadectes Cope 1878
+
†Diadectes biculminatus Cope 1896
†Diadectes fissus Cope 1883
†Diadectes latibuccatus Cope 1878
†Diadectes phaseolinus Cope 1880
†Diadectes sideropelicus Cope 1878
G. †Empedias Cope 1883
+
†Empedias alatus Cope 1878
†Empedias molaris Cope 1878
Invalid names: Empedocles Cope 1878 [replaced]
Fm. †Pariotichidae Cope 1883
+
G. †Pariotichus Cope 1878
+
†Pariotichus aduncus Cope 1896
†Pariotichus aguti Cope 1882
†Pariotichus brachyops Cope 1878
†Pariotichus incisivus Cope 1888
†Pariotichus isolomus Cope 1896
†Pariotichus ordinatus Cope 1878
Invalid names: Ectocynodon Cope 1878 [synonym]
Or. Dinosauria Owen 1842 [dinosaur]
+
Subor. †Orthopoda Cope 1866
+
Superfm. †Ceratopsoidea Hay 1902
+
Fm. †Ceratopsidae Marsh 1888 [ceratopsid]
+
G. †Agathaumas Cope 1872
+
†Agathaumas mortuarius Cope 1874
†Agathaumas sylvestris Cope 1872
Invalid names: Polyonax Cope 1874 [synonym]
G. †Ceratops Marsh 1888
+
†Ceratops alticornis Marsh 1887
†Ceratops montanus Marsh 1888
†Ceratops paucidens Marsh 1889
G. †Monoclonius Cope 1876
+
†Monoclonius crassus Cope 1876
†Monoclonius fissus Cope 1889
†Monoclonius recurvicornis Cope 1889
†Monoclonius sphenocerus Cope 1889
G. †Triceratops Marsh 1889
+
†Triceratops calicornis Marsh 1898
†Triceratops elatus Marsh 1891
†Triceratops galeus Marsh 1889
†Triceratops horridus Marsh 1889
†Triceratops obtusus Marsh 1898
†Triceratops prorsus Marsh 1890
†Triceratops serratus Marsh 1890
†Triceratops sulcatus Marsh 1890
Invalid names: Agathaumidae Cope 1889 [synonym]
Invalid names: Ceratopsia Marsh 1890 [synonym]
Superfm. †Iguanodontoidea Hay 1902
+
Fm. †Camptosauridae Marsh 1885 [camptosaurid]
+
G. †Camptosaurus Marsh 1885
+
†Camptosaurus amplus Marsh 1879
†Camptosaurus dispar Marsh 1879
†Camptosaurus medius Marsh 1894
†Camptosaurus nanus Marsh 1894
Invalid names: Camptonotus Marsh 1879 [replaced]
G. †Laosaurus Marsh 1878
+
†Laosaurus celer Marsh 1878
†Laosaurus consors Marsh 1894
†Laosaurus gracilis Marsh 1878
Invalid names: Camptonotidae Marsh 1881 [synonym], Laosauridae Marsh 1895 [synonym]
Fm. †Iguanodontidae Bonaparte 1850 [iguanodontid]
+
G. †Thespesius Leidy 1856
+
†Thespesius agilis Marsh 1872
†Thespesius occidentalis Leidy 1856
+
Invalid names: Agathaumas milo Cope 1874 [synonym], Claosaurus annectens Marsh 1892 [synonym]
Invalid names: Claosaurus Marsh 1890 [synonym]
Invalid names: Claosauridae Marsh 1890 [synonym]
Fm. †Trachodontidae Lydekker 1888
+
G. †Dysganus Cope 1876
+
†Dysganus bicarinatus Cope 1876
†Dysganus encaustus Cope 1876
†Dysganus haydenianus Cope 1876
†Dysganus peiganus Cope 1876
G. †Trachodon Leidy 1856
+
†Trachodon breviceps Marsh 1889
†Trachodon calamarius Cope 1876
†Trachodon cavatus Cope 1871
†Trachodon foulkii Leidy 1858
†Trachodon longiceps Marsh 1890
†Trachodon minor Marsh 1870
†Trachodon mirabilis Leidy 1856
†Trachodon pentagonus Cope 1876
†Trachodon perangulatus Cope 1876
†Trachodon tripos Cope 1869
Invalid names: Diclonius Cope 1876 [synonym], Hadrosaurus Leidy 1858 [synonym]
Invalid names: Hadrosauridae Cope 1869 [synonym]
Invalid names: Macelognathidae Marsh 1884 [empty], Nanosauridae Marsh 1878 [empty], Ornithopoda Marsh 1881 [synonym]
Invalid names: Ornithischia Seeley 1888 [synonym], Predentata Marsh 1894 [synonym], Stegosauroidea Hay 1902 [empty]
Subor. Theropoda Marsh 1881 [theropod]
+
Fm. †Anchisauridae Marsh 1885 [anchisaurid]
+
G. †Anchisaurus Marsh 1885
+
†Anchisaurus colurus Marsh 1891
†Anchisaurus polyzelus Hitchcock 1865
†Anchisaurus solus Marsh 1892
Invalid names: Amphisaurus Marsh 1882 [replaced], Megadactylus Hitchcock 1865 [replaced]
G. †Clepsysaurus Lea 1851
+
†Clepsysaurus pennsylvanicus Lea 1851
†Clepsysaurus veatleianus Cope 1877
G. †Thecodontosaurus Riley and Stutchbury 1836
+
†Thecodontosaurus fraserianus Cope 1878
†Thecodontosaurus gibbidens Cope 1878
Invalid names: Palaeosaurus Riley and Stutchbury 1836 [synonym]
Invalid names: Amphisauridae Marsh 1882 [synonym]
Fm. †Coeluridae Marsh 1881 [coelurid]
+
G. †Coelophysis Cope 1889
+
†Coelophysis bauri Cope 1887
†Coelophysis longicollis Cope 1887
†Coelophysis willistoni Cope 1887
G. †Coelurus Marsh 1879
+
†Coelurus agilis Marsh 1884
†Coelurus fragilis Marsh 1879
†Coelurus gracilis Marsh 1888
Fm. †Megalosauridae Fitzinger 1843
+
G. †Antrodemus Leidy 1873
+
†Antrodemus lucaris Marsh 1878
†Antrodemus medius Marsh 1888
†Antrodemus sulcatus Marsh 1896
Invalid names: Labrosaurus Marsh 1879 [synonym]
G. †Deinodon Leidy 1856
+
†Deinodon amplus Marsh 1892
†Deinodon cristatus Marsh 1892
†Deinodon lateralis Cope 1876
Invalid names: Aublysodon Leidy 1868 [synonym]
G. †Dryptosaurus Marsh 1877
+
†Dryptosaurus aquilunguis Cope 1866
†Dryptosaurus cristatus Cope 1876
†Dryptosaurus explanatus Cope 1876
†Dryptosaurus falculus Cope 1876
†Dryptosaurus hazenianus Hay 1902
†Dryptosaurus incrassatus Cope 1876
†Dryptosaurus kenabekides Hay 1899
†Dryptosaurus laevifrons Cope 1876
†Dryptosaurus macropus Cope 1868
†Dryptosaurus trihedrodon Cope 1877
Invalid names: Laelaps Cope 1866 [replaced]
G. †Megalosaurus Parkinson 1822
+
†Megalosaurus bucklandi Mantell 1827
Invalid names: Poekilopleuron Eudes-Deslongchamps 1837 [synonym]
G. †Palaeoctonus Cope 1877
+
†Palaeoctonus appalachianus Cope 1877
†Palaeoctonus dumblianus Cope 1893
†Palaeoctonus orthodon Cope 1893
G. †Suchoprion Cope 1877
+
†Suchoprion aulacodus Cope 1877
†Suchoprion cyphodon Cope 1877
†Suchoprion sulcidens Cope 1878
Invalid names: Allosauridae Marsh 1878 [synonym], Dinodontidae Cope 1866 [synonym], Dryptosauridae Marsh 1890 [synonym], Labrosauridae Marsh 1882 [synonym]
Fm. †Ornithomimidae Marsh 1890 [ornithomimid]
+
G. †Ornithomimus Marsh 1890
+
†Ornithomimus grandis Marsh 1890
†Ornithomimus minutus Marsh 1892
†Ornithomimus sedens Marsh 1892
†Ornithomimus tenuis Marsh 1890
†Ornithomimus velox Marsh 1890
Invalid names: Goniopoda Cope 1866 [synonym], Megalosauria Bonaparte 1850 [synonym]
Invalid names: Opisthocoelia Owen 1859 [empty]
Or. †Ichthyosauria de Blainville 1835 [ichthyosaur]
+
Fm. †Baptanodontidae Marsh 1879
+
G. †Baptanodon Seeley 1874
+
†Baptanodon discus Marsh 1879
†Baptanodon natans Marsh 1879
Invalid names: Sauranodon Marsh 1879 [replaced]
Invalid names: Sauranodontidae Marsh 1879 [replaced]
Fm. †Proteosauridae Hay 1902
+
G. †Proteosaurus Home 1819
+
†Proteosaurus platyodon Conybeare 1822
Invalid names: Ichthyosaurus Koenig 1818 [synonym]
Invalid names: Ichthyosauridae Bonaparte 1841 [synonym]
Invalid names: Ichthyopterygia Owen 1840 [synonym]
Or. Loricata Merrem 1820
+
Subor. Eusuchia Huxley 1875
+
Fm. Crocodylidae Cuvier 1807 [crocodile]
+
G. †Bottosaurus Agassiz 1849
+
†Bottosaurus perrugosus Cope 1874
†Bottosaurus tuberculatus Cope 1870
G. Crocodylus Laurenti 1768 [crocodile]
+
†Crocodylus acer Cope 1882
†Crocodylus affinis Marsh 1871
†Crocodylus antiquus Leidy 1852
†Crocodylus aptus Leidy 1869
†Crocodylus brevicollis Marsh 1871
†Crocodylus chamensis Cope 1874
†Crocodylus clavis Cope 1871
†Crocodylus elliottii Leidy 1871
†Crocodylus fastigiatus Leidy 1851
†Crocodylus grinnellii Marsh 1871
†Crocodylus grypus Cope 1875
†Crocodylus heterodon Cope 1873
†Crocodylus humilis Leidy 1856
†Crocodylus liodon Marsh 1871
†Crocodylus marylandicus Clarke 1895
Crocodylus niloticus Laurenti 1768 [Nile crocodile]
†Crocodylus parvus Osborn et al. 1878
†Crocodylus polyodon Cope 1873
†Crocodylus rugosus Emmons 1858
†Crocodylus sericodon Cope 1867
†Crocodylus serratus Cope 1872
†Crocodylus sicariaus Cope 1869
†Crocodylus solaris Marsh 1877
†Crocodylus squankensis Marsh 1869
†Crocodylus stavelianus Cope 1885
†Crocodylus subulatus Cope 1872
†Crocodylus sulciferus Cope 1872
†Crocodylus wheelerii Cope 1875
†Crocodylus ziphodon Marsh 1871
Invalid names: Thecachampsa Cope 1867 [synonym]
G. †Limnosaurus Marsh 1872
Fm. Gavialidae Adams 1854
+
G. Gavialis Oppel 1811 [gharial]
+
†Gavialis fraterculus Cope 1869
Gavialis gangeticus Gmelin 1789 [Gharial]
†Gavialis minor Marsh 1870
G. †Holops Cope 1869
+
†Holops brevispinis Cope 1867
†Holops cordatus Cope 1869
†Holops glyptodon Cope 1869
†Holops obscurus Leidy 1865
†Holops pneumaticus Cope 1872
G. †Thoracosaurus Leidy 1852
+
†Thoracosaurus neocesariensis De Kay 1842
+
Invalid names: Crocodilus basifissus Owen 1849 [synonym], Crocodilus dekayi Leidy 1852 [synonym], Sphenosaurus clavirostris Morton 1845 [synonym], Thoracosaurus grandis Leidy 1852 [synonym]
Invalid names: Sphenosaurus Agassiz 1849 [synonym]
Fm. †Goniopholidae Cope 1875
+
G. †Goniopholis Owen 1842
+
†Goniopholis crassidens Owen 1842
†Goniopholis felix Marsh 1877
†Goniopholis lucasii Cope 1878
Invalid names: Amphicotylus Cope 1878 [synonym], Diplosaurus [synonym]
Subor. †Parasuchia Huxley [phytosaur]
+
Fm. †Phytosauridae Jaeger 1828
+
G. †Episcoposaurus Cope 1887
+
†Episcoposaurus haplocerus Cope 1892
†Episcoposaurus horridus Cope 1887
G. †Phytosaurus Jaeger 1828
+
†Phytosaurus buceros Cope 1881
†Phytosaurus carolinensis Emmons 1856
+
Invalid names: Centemodon sulcatus Lea 1856 [synonym], Omosaurus perplexus Leidy 1856 [synonym]
†Phytosaurus cylindricodon Jaeger 1828
†Phytosaurus leaii Emmons 1856
†Phytosaurus lepturus Cope 1869
†Phytosaurus priscus Leidy 1856
†Phytosaurus rostratus Marsh 1896
†Phytosaurus scolopax Cope 1881
†Phytosaurus serridens Leidy 1859
†Phytosaurus superciliosus Cope 1893
†Phytosaurus validus Marsh 1893
Invalid names: Centemodon Lea 1856 [synonym], Compsosaurus Leidy 1856 [synonym], Omosaurus Leidy 1856 [synonym], Rutiodon Emmons 1856 [synonym]
Invalid names: Belodontia Marsh 1895 [synonym]
Invalid names: Crocodilia Owen 1842 [synonym]
Or. †Pelycosauria Cope 1878 [pelycosaur]
+
Fm. †Bolosauridae Cope 1878
+
Fm. †Clepsydropidae Cope 1878
+
G. †Clepsydrops Cope 1875
+
†Clepsydrops collettii Cope 1875
†Clepsydrops leptocephalus Cope 1884
†Clepsydrops limbatus Cope 1877
†Clepsydrops macrospondylus Cope 1884
†Clepsydrops natalis Cope 1878
†Clepsydrops pedunculatus Cope 1877
†Clepsydrops vinslovii Cope 1877
Invalid names: Diopeus Cope 1892 [synonym]
G. †Dimetrodon Cope 1878
+
†Dimetrodon gigas Cope 1878
†Dimetrodon incisivus Cope 1878
†Dimetrodon rectiformis Cope 1878
†Dimetrodon semiradicatus Cope 1881
G. †Naosaurus Cope 1886
+
†Naosaurus claviger Cope 1886
†Naosaurus cruciger Cope 1878
†Naosaurus microdus Cope 1884
G. †Theropleura Cope 1878
+
†Theropleura obtusidens Cope 1880
†Theropleura retroversa Cope 1878
†Theropleura triangulata Cope 1878
†Theropleura uniformis Cope 1878
Or. †Plesiosauria de Blainville 1835 [plesiosaur]
+
Fm. †Elasmosauridae Cope 1869 [elasmosaur]
+
G. †Cimoliasaurus Leidy 1851
+
†Cimoliasaurus grandis Leidy 1855
†Cimoliasaurus laramiensis Knight 1900
†Cimoliasaurus magnus Leidy 1851
†Cimoliasaurus planior Leidy 1870
†Cimoliasaurus snowii Williston 1890
†Cimoliasaurus vetustus Leidy 1851
Invalid names: Brimosaurus Leidy 1854 [synonym], Discosaurus Leidy 1851 [synonym]
G. †Elasmosaurus Cope 1868
+
†Elasmosaurus intermedius Cope 1894
†Elasmosaurus orientalis Cope 1869
†Elasmosaurus platyurus Cope 1868
†Elasmosaurus serpentinus Cope 1877
G. †Piptomerus Cope 1887
+
†Piptomerus hexagonus Cope 1887
†Piptomerus megaloporus Cope 1887
†Piptomerus microporus Cope 1887
Fm. †Plesiosauridae Gray 1825
+
G. †Nothosaurus Münster 1834
G. †Pantosaurus Marsh 1893
+
†Pantosaurus striatus Marsh 1891
Invalid names: Parasaurus Marsh 1891 [replaced]
G. †Plesiosaurus de la Beche and Conybeare 1821
+
†Plesiosaurus brevifemur Cope 1875
†Plesiosaurus dolichodeirus Conybeare 1824
†Plesiosaurus gouldii Williston 1897
†Plesiosaurus gulo Cope 1872
†Plesiosaurus lockwoodii Cope 1869
†Plesiosaurus mudgei Cragin 1894
†Plesiosaurus shirleyensis Knight 1900
Invalid names: Taphrosaurus Cope 1870 [synonym]
Invalid names: Sauropterygia Owen 1859 [synonym]
Or. †Pterosauri Kaup 1834 [pterosaur]
+
Fm. †Ornithocephalidae Hay 1902
+
G. †Ornithocephalus Soemmerring 1812
+
†Ornithocephalus antiquus Soemmerring 1812
Invalid names: Pterodactylus Cuvier 1809 [synonym]
Invalid names: Pterodactylidae Bonaparte 1838 [replaced]
Fm. †Pteranodontidae Marsh 1876
+
G. †Pteranodon Marsh 1876
+
†Pteranodon comptus Marsh 1876
†Pteranodon longiceps Marsh 1876
†Pteranodon nanus Marsh 1881
†Pteranodon occidentalis Marsh 1872
+
Invalid names: Ornithochirus harpygia Cope 1872 [synonym], Pterodactylus oweni Marsh 1871 [synonym]
†Pteranodon velox Marsh 1872
Invalid names: Ornithostomatidae Williston 1893 [synonym]
Invalid names: Nyctosauridae Hay 1902 [empty], Ornithosauria Bonaparte 1838 [synonym]
Or. Rhynchocephalia Günther 1867 [rhynchocephalian]
+
Fm. †Champsosauridae Cope 1876 [champsosaur]
+
G. †Champsosaurus Cope 1876
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†Champsosaurus annectens Cope 1876
†Champsosaurus australis Cope 1881
†Champsosaurus brevicollis Cope 1876
†Champsosaurus profundus Cope 1876
†Champsosaurus puercensis Cope 1882
†Champsosaurus saponensis Cope 1882
†Champsosaurus vaccinsulensis Cope 1876
G. †Ischyrotherium Leidy 1856
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†Ischyrotherium antiquus Leidy 1856
Invalid names: Ischyrosaurus Cope 1869 [synonym]
Or. Squamata Oppel 1811 [squamates]
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Subor. †Pythonomorpha Cope 1869
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Fm. †Mosasauridae Gervais 1852 [mosasaur]
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Subfm. †Mosasaurinae Gervais 1853
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G. †Baptosaurus Marsh 1870
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†Baptosaurus fraternus Marsh 1869
†Baptosaurus onchognathus Merriam 1894
†Baptosaurus platyspondylus Marsh 1869
Invalid names: Halisaurus Marsh 1869 [replaced]
G. †Clidastes Cope 1868
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†Clidastes cineriarum Cope 1870
†Clidastes conodon Cope 1881
†Clidastes dispar Marsh 1871
†Clidastes iguanavus Cope 1868
†Clidastes intermedius Leidy 1870
†Clidastes liodontus Merriam 1894
†Clidastes pumilis Marsh 1871
†Clidastes rex Marsh 1872
†Clidastes stenops Cope 1871
†Clidastes tortor Cope 1871
†Clidastes validus Cope 1868
†Clidastes velox Marsh 1871
†Clidastes westii Williston and Case 1892
†Clidastes wymani Marsh 1871
Invalid names: Edestosaurus Marsh 1871 [synonym], Nectoportheus Cope 1868 [synonym]
G. †Mosasaurus Parkinson 1822
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†Mosasaurus belgicus Holl 1829
†Mosasaurus brumbyi Gibbes 1851
†Mosasaurus carolinensis Gibbes 1851
†Mosasaurus copeanus Marsh 1869
†Mosasaurus couperi Gibbes 1851
†Mosasaurus crassidens Marsh 1870
†Mosasaurus depressus Cope 1869
†Mosasaurus fulciatus Cope 1870
†Mosasaurus horridus Williston 1895
†Mosasaurus maximus Cope 1869
†Mosasaurus miersii Marsh 1869
†Mosasaurus minor Gibbes 1851
†Mosasaurus missouriensis Harlan 1834
†Mosasaurus oarthrus Cope 1870
†Mosasaurus princeps Marsh 1869
Invalid names: Amphorosteus Gibbes 1851 [synonym], Baseodon Leidy 1865 [synonym]
Subfm. †Tylosaurinae Wiliston 1895
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G. †Tylosaurus Marsh 1872
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†Tylosaurus congrops Cope 1870
†Tylosaurus dyspelor Cope 1870
†Tylosaurus laticaudus Marsh 1870
†Tylosaurus micromus Marsh 1872
†Tylosaurus nepaeolicus Cope 1874
†Tylosaurus perlatus Cope 1869
†Tylosaurus proriger Cope 1869
†Tylosaurus rapax Hay 1902
†Tylosaurus sectorius Cope 1871
Invalid names: Leiodon Owen 1842 [synonym], Rhamphosaurus Cope 1872 [replaced], Rhinosaurus Marsh 1872 [replaced]
Invalid names: Platecarpinae Williston 1897 [empty]
Invalid names: Mosasauria [synonym]
Subor. Sauria MacCartney 1802
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Fm. Amphisbaenidae Gray 1865 [worm lizard]
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G. †Platyrhachis Cope 1873
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†Platyrhachis coloradoensis Cope 1873
†Platyrhachis rhambastes Cope 1884
†Platyrhachis unipedalis Cope 1873
G. Rhineura Cope 1861 [worm lizard]
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Rhineura floridana Baird 1858 [North American worm lizard]
†Rhineura hatcherii Baur 1893
Fm. Anguidae Gray 1825
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G. †Glyptosaurus Marsh 1871
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†Glyptosaurus anceps Marsh 1871
†Glyptosaurus brevidens Marsh 1872
†Glyptosaurus nodosus Marsh 1871
†Glyptosaurus ocellatus Marsh 1871
†Glyptosaurus princeps Marsh 1872
†Glyptosaurus rugosus Marsh 1872
†Glyptosaurus sylvestris Marsh 1871
G. †Xestops Cope 1873
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†Xestops gracilis Marsh 1872
†Xestops lentus Marsh 1872
†Xestops microdus Marsh 1872
†Xestops minutus Marsh 1872
†Xestops vagans Marsh 1872
Invalid names: Oreosaurus Marsh 1872 [replaced]
Invalid names: Gerrhonotidae Cope 1864 [synonym], Glyptosauridae Marsh 1872 [synonym], Placosauridae Gervais [synonym]
Fm. Iguanidae Oppel 1811
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Fm. Varanidae Hardwicke and Gray 1824 [monitor lizard]
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G. †Thinosaurus Marsh 1872
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†Thinosaurus agilis Marsh 1872
†Thinosaurus crassus Marsh 1872
†Thinosaurus grandis Marsh 1872
†Thinosaurus leptodus Marsh 1872
†Thinosaurus paucidens Marsh 1872
Invalid names: Lacertilia Owen 1842 [synonym]
Subor. Serpentes Linnaeus 1758 [snake]
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Fm. Boidae Gray 1825 [boa]
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G. †Boavus Marsh 1871
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†Boavus agilis Marsh 1871
†Boavus brevis Marsh 1871
†Boavus occidentalis Marsh 1871
G. †Calamagras Cope 1873
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G. †Lestophis Marsh 1885
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†Lestophis crassus Marsh 1871
Invalid names: Limnophis Marsh 1871 [replaced]
Fm. Colubridae Oppel 1811 [colubrid snake]
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G. †Bascanion Baird and Girard 1853
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†Bascanion acuminatus Cope 1899
Bascanion constrictor Linnaeus 1758 [black racer]
G. Coluber Linnaeus 1758 [racer]
Fm. Crotalidae Oppel 1811 [pit viper]
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Invalid names: Ophidia Latreille 1804 [synonym], Palaeophidae [empty]
Invalid names: Rhiptoglossi Wiegmann 1834 [empty]
Or. Testudines Batsch 1788 [turtle]
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Subor. Thecophora Dollo
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Superfm. Cryptodira Cope 1868
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Fm. †Adocidae Cope 1869
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G. †Adocus Cope 1868
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†Adocus agilis Cope 1868
†Adocus beatus Leidy 1865
†Adocus pectoralis Cope 1870
†Adocus pravus Leidy 1856
†Adocus syntheticus Cope 1869
G. †Agomphus Cope 1871
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†Agomphus firmus Leidy 1856
†Agomphus oxysternum Cope 1877
†Agomphus petrosus Cope 1868
†Agomphus turgidus Cope 1870
Invalid names: Amphiemys Cope 1877 [synonym]
Fm. †Anosteiridae Lydekker 1889
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Fm. Cheloniidae Bonaparte 1832
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G. †Lembonax Cope 1870
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†Lembonax insularis Cope 1872
†Lembonax polemicus Cope 1870
†Lembonax prophylaeus Cope 1872
Fm. Chelydridae Swainson 1839
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G. Chelydra Schweigger 1812 [Snapping turtle]
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†Chelydra crassa Cope 1888
Chelydra serpentina Linnaeus 1758 [Common snapping turtle]
Fm. †Desmatochelyidae Williston 1894
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Fm. Emydidae Rafinesque 1815
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G. Clemmys Ritgen 1828
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Clemmys guttata Schneider 1792
Clemmys insculpta Le Conte 1830 [wood turtle]
†Clemmys percrassa Cope 1899
G. Emys Dumeril 1806 [pond turtle]
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†Emys cibollensis Cope 1877
†Emys euglypha Leidy 1889
†Emys euthneta Cope 1873
†Emys haydeni Leidy 1870
†Emys latilabiata Cope 1871
†Emys lativertebralis Cope 1877
Emys orbicularis Linnaeus 1758 [European pond turtle]
†Emys petrolei Leidy 1868
†Emys polycypha Cope 1872
†Emys septaria Cope 1873
†Emys shaughnessiana Cope 1882
†Emys terrestris Cope 1872
†Emys testudinea Cope 1872
†Emys wyomingensis Leidy 1870
Invalid names: Palaeotheca Cope 1872 [synonym]
G. †Notomorpha Cope 1872
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G. Terrapene Merrem 1820 [box turtle]
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†Terrapene anguillulata Cope 1899
Terrapene carolina Linnaeus 1758 [common box turtle]
†Terrapene eurypygia Cope 1870
†Terrapene marnochii Cope 1877
Invalid names: Cistudo Dumeril and Bibron 1835 [synonym]
G. Trachemys Agassiz 1857 [slider]
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†Trachemys bisornata Cope 1877
†Trachemys hilli Cope 1878
Trachemys scripta Schoepff 1792 [slider]
Invalid names: Cistudinidae Cope 1882 [synonym]
Fm. †Protostegidae Cope 1873
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G. †Atlantochelys Agassiz 1849
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†Atlantochelys mortoni Agassiz 1849
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Invalid names: Protostega neptunia Cope 1872 [objective synonym]
Fm. Testudinidae Batsch 1788
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G. †Hadrianus Cope 1872
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†Hadrianus allabiatus Cope 1871
†Hadrianus corsoni Leidy 1871
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Invalid names: Emys carteri Leidy 1871 [synonym], Hadrianus quadratus Cope 1871 [synonym], Testudo hadrianus Cope 1872 [synonym]
†Hadrianus octonarius Cope 1871
†Hadrianus schucherti Hay 1899
G. †Stylemys Leidy 1851
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†Stylemys nebrascensis Leidy 1851
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Invalid names: Emys hemispherica Leidy 1851 [synonym], Emys oweni Leidy 1851 [synonym], Testudo culbertsonii Leidy 1852 [synonym], Testudo lata Leidy 1851 [synonym]
†Stylemys niobrarensis Leidy 1858
†Stylemys oregonensis Leidy 1872
G. Testudo Linnaeus 1758
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†Testudo amphithorax Cope 1873
†Testudo brontops Marsh 1890
†Testudo crassiscutata Leidy 1889
†Testudo cultrata Cope 1873
†Testudo cyclopygia Cope 1878
†Testudo gilbertii Hay 1899
Testudo graeca Linnaeus 1758 [common tortoise]
†Testudo hexagonata Cope 1893
†Testudo klettiana Cope 1875
†Testudo laticaudata Cope 1893
†Testudo laticunea Cope 1873
†Testudo ligonia Cope 1873
†Testudo orthopygia Cope 1878
†Testudo pertenuis Cope 1892
†Testudo quadrata Cope 1884
†Testudo snoviana Cope 1886
†Testudo turgida Cope 1892
†Testudo undata Cope 1875
Invalid names: Caryoderma Cope 1886 [synonym]
Fm. †Thalassemydidae Zittel 1889
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G. †Lytoloma Cope 1870
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†Lytoloma angusta Cope 1870
Lytoloma jeanesii Cope 1870
†Lytoloma platyops Cope 1870
Invalid names: Glossochelys Seeley 1871 [synonym]
G. †Osteopygis Cope 1868
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†Osteopygis chelydrinus Cope 1868
†Osteopygis emarginatus Cope 1868
†Osteopygis erosus Cope 1875
†Osteopygis platylomus Cope 1870
†Osteopygis ponderosus Cope 1871
†Osteopygis repandus Cope 1868
†Osteopygis sopitus Leidy 1865
Invalid names: Propleuridae Cope 1870 [synonym]
Fm. †Toxochelyidae Baur 1895
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G. †Toxochelys Cope 1873
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†Toxochelys brachyrhinus Case 1898
†Toxochelys latiremis Cope 1873
†Toxochelys serrifer Cope 1875
Superfm. Pleurodira Cope 1865 [sideneck turtle]
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Fm. Pelomedusidae Cope 1868
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G. †Taphrosphys Cope 1869
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†Taphrosphys leslianus Cope 1870
†Taphrosphys longinuchus Cope 1870
†Taphrosphys molops Cope 1870
†Taphrosphys nodosus Cope 1870
†Taphrosphys sulcatus Leidy 1856
Invalid names: Prochonias Cope 1869 [synonym]
Invalid names: Bothremydidae Baur 1891 [synonym]
Fm. †Plesiochelyidae Rütimeyer 1873
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G. †Plesiochelys Rütimeyer 1873
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†Plesiochelys belviderensis Cragin 1902
†Plesiochelys solodurensis Rütimeyer 1873
Fm. †Pleurosternidae Cope 1868
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G. †Baena Leidy 1870
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†Baena hebraica Cope 1872
†Baena ponderosa Cope 1873
†Baena undata Leidy 1871
Invalid names: Chisternon Leidy 1872 [synonym]
G. †Compsemys Leidy 1856
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†Compsemys lineolatus Cope 1874
†Compsemys obscurus Leidy 1856
†Compsemys victus Leidy 1856
Invalid names: Glyptops Marsh 1890 [synonym]
Invalid names: Baenidae Cope 1882 [synonym]
Subor. Trionychia
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Fm. †Plastomenidae Hay 1902
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G. †Plastomenus Cope 1873
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†Plastomenus communis Cope 1875
†Plastomenus corrugatus Cope 1875
†Plastomenus costatus Cope 1875
†Plastomenus fractus Cope 1875
†Plastomenus insignis Cope 1874
†Plastomenus lachrymalis Cope 1875
†Plastomenus molopinus Cope 1872
†Plastomenus oedemius Cope 1872
†Plastomenus punctulatus Cope 1874
†Plastomenus serialis Cope 1877
†Plastomenus thomasii Cope 1872
†Plastomenus trionychoides Cope 1872
Fm. Trionychidae Gray 1825 [softshell turtle]
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G. Trionyx Geoffroy Saint-Hilaire 1809
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†Trionyx buiei Cope 1870
†Trionyx cariosus Cope 1875
†Trionyx cellulosus Cope 1868
†Trionyx coalescens Cope 1875
†Trionyx concentricus Cope 1872
†Trionyx foveatus Leidy 1856
†Trionyx guttatus Leidy 1869
†Trionyx halophilus Cope 1869
†Trionyx heteroglyptus Cope 1873
†Trionyx leptomitus Cope 1875
†Trionyx leucopotamicus Cope 1891
†Trionyx lima Cope 1869
†Trionyx mammilaris Cope 1877
†Trionyx pennatus Cope 1869
†Trionyx priscus Cope 1869
†Trionyx punctiger Cope 1891
†Trionyx radulus Cope 1875
†Trionyx scutumantiquum Cope 1873
†Trionyx uintaensis Cope 1873
†Trionyx vagans Cope 1874
†Trionyx ventricosus Cope 1877
†Trionyx virginianus Clark 1895
Invalid names: Athecae Cope 1871 [empty], Chelonia Latreille 1800 [synonym]
Invalid names: Chelydosauria Cope 1898 [empty]
G. †Plesiornis Hitchcock 1858
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†Plesiornis giganteus Hitchcock 1889
†Plesiornis minimus Hitchcock 1836
†Plesiornis minor Hitchcock 1845
†Plesiornis mirabilis Hitchcock 1865
†Plesiornis pilulatus Hitchcock 1858
G. †Argoides Hitchcock 1845
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†Argoides isodactylatus Hitchcock 1841
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Invalid names: Argozoum paridigitatum Hitchcock 1848 [synonym]
†Argoides macrodactylatus Hitchcock 1841
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Invalid names: Argozoum disparidigitatum Hitchcock 1848 [synonym]
†Argoides redfieldianus Hitchcock 1844
†Argoides robustus Hitchcock 1837
G. †Fulicopus Hitchcock 1845
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†Fulicopus giganteus Hitchcock 1858
†Fulicopus lyellianus Hitchcock 1843
Invalid names: Aethyopus Hitchcock 1848 [synonym], Amblonyx Hitchcock 1858 [synonym]
G. †Batrachopus Hitchcock 1845
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†Batrachopus deweyanus Hitchcock 1843
†Batrachopus gracilior Hitchcock 1862
†Batrachopus gracilis Hitchcock 1845
Invalid names: Anisichnus Hitchcock 1871 [synonym]
G. †Steropoides Hitchcock 1845
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†Steropoides elegans Hitchcock 1841
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Invalid names: Steropoides elegantior Hitchcock 1841 [synonym]
†Steropoides infelix Hay 1902
†Steropoides ingens Hitchcock 1836
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Invalid names: Ornithopus adamsanus Hitchcock 1848 [synonym]
†Steropoides loripes Hitchcock 1848
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Invalid names: Tridentipes insignis Hitchcock 1858 [synonym]
†Steropoides uncus Hitchcock 1858
Invalid names: Steropezoum Hitchcock 1848 [synonym], Tridentipes Hitchcock 1858 [synonym]
G. †Sillimanius Hitchcock 1845
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†Sillimanius gracilior Hitchcock 1841
†Sillimanius tetradactylus Hitchcock 1836
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Invalid names: Ornithopus gallinaceus Hitchcock 1845 [synonym]
Invalid names: Ornithopus Hitchcock 1845 [synonym]
G. †Platypterna Hitchcock 1845
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†Platypterna concamerata Hitchcock 1848
†Platypterna deaniana Hitchcock 1837
†Platypterna delicatula Hitchcock 1841
†Platypterna digitigrada Hitchcock 1858
†Platypterna gracillima Hitchcock 1858
†Platypterna recta Hitchcock 1848
†Platypterna tenuis Hitchcock 1837
G. †Orthodactylus Hitchcock 1858
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†Orthodactylus floriferus Hitchcock 1858
†Orthodactylus introvergens Hitchcock 1858
†Orthodactylus linearis Hitchcock 1858
G. †Gigandipus Hitchcock 1855
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†Gigandipus caudatus Hitchcock 1855
†Gigandipus minor Hitchcock 1858
Invalid names: Gigantitherium Hitchcock 1858 [synonym]
G. †Anticheiropus Hitchcock 1865
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†Anticheiropus hamatus Hitchcock 1865
†Anticheiropus pilulatus Hitchcock 1865
G. †Harpedactylus Hitchcock 1845
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†Harpedactylus crassus Hitchcock 1862
†Harpedactylus gracilior Hitchcock 1862
†Harpedactylus tenuissimus Hitchcock 1837
G. †Antipus Hitchcock 1858
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†Antipus bifidus Hitchcock 1858
†Antipus flexiloquus Hitchcock 1858
G. †Trihamus Hitchcock 1862
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†Trihamus elegans Hitchcock 1862
†Trihamus magnus Hitchcock 1889
G. †Exocampe Hitchcock 1858
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†Exocampe arcta Hitchcock 1858
†Exocampe minima Hitchcock 1862
†Exocampe ornata Hitchcock 1858
G. †Plectropterna Hitchcock 1845
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†Plectropterna elegans Hitchcock 1889
†Plectropterna gracilis Hitchcock 1858
†Plectropterna lineans Hitchcock 1858
†Plectropterna minitans Hitchcock 1837
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Invalid names: Plectropus longipes Hitchcock 1841 [synonym]
G. †Polemarchus Hitchcock 1845
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†Polemarchus gigas Hitchcock 1845
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Invalid names: Sauroidichnites polemarchius Hitchcock 1837 [synonym]
G. †Tarsodactylus Hitchcock 1858
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†Tarsodactylus caudatus Hitchcock 1858
†Tarsodactylus expansus Hitchcock 1866
G. †Ancyropus Hitchcock 1845
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†Ancyropus heteroclitus Hitchcock 1841
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Invalid names: Ancyropus jacksonianus Hitchcock 1841 [synonym]
G. †Helcura Hitchcock 1848
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†Helcura anguinea Hitchcock 1858
†Helcura littoralis Hitchcock 1848
†Helcura surgens Hitchcock 1858
G. †Palamopus Hitchcock 1845
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†Palamopus anomalus Hitchcock 1845
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Invalid names: Sauroidichnites palmatus Hitchcock 1836 [synonym]
†Palamopus divaricans Hitchcock 1848
†Palamopus gracilipes Hitchcock 1858
†Palamopus rogersianus Hitchcock 1843
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Invalid names: Macropterna rhynchosauroidea Hitchcock 1848 [synonym], Macropterna vulgaris Hitchcock 1858 [synonym]
Invalid names: Macropterna Hitchcock 1848 [synonym]
G. †Hoplichnus Hitchcock 1848
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†Hoplichnus equus Hitchcock 1858
†Hoplichnus quadrupedans Hitchcock 1848
G. †Typopus Hitchcock 1845
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†Typopus abnormis Hitchcock 1844
†Typopus gracilis Hitchcock 1858
Unr. †Pseudofossil
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Invalid names: Batrachoides nidificans Hitchcock 1858 [nomen vanum]
G. †Hylopus Dawson 1894
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†Hylopus caudifer Dawson 1895
†Hylopus hardingi Dawson 1895
†Hylopus logani Dawson 1894
†Hylopus minor Dawson 1895
†Hylopus trifidus Dawson 1895
G. †Chelichnus Jardine 1850
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†Chelichnus duncani Owen 1842
†Chelichnus wymanianus Lea 1856
G. †Palaeosauropus Hay 1902
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†Palaeosauropus antiquior Dawson 1882
†Palaeosauropus primaevus Lea 1849
†Palaeosauropus sydenensis Dawson 1891
†Palaeosauropus unguifer Dawson 1872
Invalid names: Sauropus Lea 1849 [replaced]