Opinions from R. R. Schoch and A. R. Milner 2014
- 'Acanthostoma is a subjective synonym of Acanthostomatops'
- 'Acanthostoma vorax is recombined as Acanthostomatops vorax' according to Witzmann and Schoch 2006
- 'Acanthostoma vorax is recombined as Acanthostomatops vorax'
- 'Acanthostomatidae is a subjective synonym of Zatracheidae'
- 'Acanthostomatops belongs to Zatracheidae'
- 'Acheloma casei is a subjective synonym of Isodectes obtusus'
- 'Acheloma whitei belongs to Acheloma' according to Olson 1941
- 'Acheloma whitei is recombined as Phonerpeton whitei'
- 'Achelomidae is a subjective synonym of Trematopidae'
- 'Acroplous belongs to Eobrachyopidae'
- 'Acroplous vorax belongs to Acroplous'
- 'Actinodon belongs to Eryopidae'
- 'Actinodon brevis belongs to Actinodon' according to Gaudry 1866
- 'Actinodon brevis is a subjective synonym of Actinodon frossardi'
- 'Actinodon frossardi belongs to Actinodon' according to Gaudry 1866
- 'Actinodon frossardi is recombined as Onchiodon frossardi' according to Werneburg 1997
- 'Actinodon frossardi belongs to Actinodon'
- 'Actiobates belongs to Trematopidae'
- 'Actiobates peabodyi belongs to Actiobates'
- 'Adamanterpeton belongs to Cochleosauridae'
- 'Adamanterpeton ohioensis belongs to Adamanterpeton'
- 'Alegeinosaurus belongs to Eucacopinae'
- 'Amphibamidae belongs to Xerodromes'
- 'Anakamacops belongs to Eucacopinae'
- 'Anakamacops petrolicus belongs to Anakamacops'
- 'Anisodexis is a subjective synonym of Eryops'
- 'Anisodexis imbricarius is a subjective synonym of Eryops megacephalus'
- 'Apateon belongs to Branchiosauridae'
- 'Apateon intermedius belongs to Apateon' according to Werneburg 1996
- 'Apateon kontheri belongs to Apateon' according to Werneburg 1988
- 'Apateon kontheri belongs to Apateon'
- 'Apateon pedestris belongs to Apateon'
- 'Aranetsia belongs to Plagiosterninae'
- 'Aranetsia improvisa belongs to Aranetsia' according to Novikov and Shishkin 1992
- 'Aranetsia improvisa belongs to Aranetsia'
- 'Arkanserpeton is a nomen dubium'
- 'Arkanserpeton arcuatum is a nomen dubium'
- 'Aspidosauridae was reranked as the subfamily Aspidosaurinae and belongs to Dissorophidae'
- 'Aspidosaurus belongs to Aspidosaurinae'
- 'Aspidosaurus binasser belongs to Aspidosaurus'
- 'Aspidosaurus binasser belongs to Aspidosaurus' according to Berman and Lucas 2003
- 'Aspidosaurus chiton belongs to Aspidosaurus' according to Broili 1904
- 'Aspidosaurus chiton belongs to Aspidosaurus'
- 'Aspidosaurus glascocki belongs to Aspidosaurus'
- 'Aspidosaurus novomexicanus belongs to Aspidosaurus'
- 'Aspidosaurus peltatus is a nomen dubium'
- 'Astreptorhachis belongs to Platyhistricinae'
- 'Astreptorhachis ohioensis belongs to Astreptorhachis'
- 'Austrobrachyops is a nomen dubium'
- 'Balanerpeton belongs to Eutemnospondyli'
- 'Batrachosuchoides belongs to Tupilakosauridae'
- 'Batrachosuchoides impressus belongs to Batrachosuchoides' according to Novikov and Shishkin 1994
- 'Batrachosuchoides impressus is a subjective synonym of Batrachosuchoides lacer'
- 'Batrachosuchoides lacer belongs to Batrachosuchoides'
- 'Batrachosuchus belongs to Brachyopidae'
- 'Brachyopidae belongs to Brachyopoidea'
- 'Branchierpeton belongs to Micromelerpetidae'
- 'Branchierpeton reinholdi belongs to Branchierpeton'
- 'Branchierpeton saalense belongs to Branchierpeton'
- 'Branchiosauravus is a subjective synonym of Isodectes'
- 'Branchiosauridae belongs to Xerodromes'
- 'Branchiosaurus belongs to Branchiosauridae'
- 'Branchiosaurus amblystomum is recombined as Branchierpeton amblystomum'
- 'Branchiosaurus brachyrhynchus belongs to Branchiosaurus' according to Watson 1963
- 'Branchiosaurus brachyrhynchus is a subjective synonym of Apateon flagrifer'
- 'Branchiosaurus caducus belongs to Branchiosaurus' according to Ammon 1889
- 'Branchiosaurus caducus is recombined as Apateon caducus' according to Werneburg 1988
- 'Branchiosaurus caducus is recombined as Apateon caducus'
- 'Branchiosaurus credneri is recombined as Micromelerpeton credneri'
- 'Branchiosaurus darrahi belongs to Branchiosaurus' according to Romer 1939
- 'Branchiosaurus dracyi is recombined as Apateon dracyi'
- 'Branchiosaurus dracyi belongs to Branchiosaurus' according to Boy 1972
- 'Branchiosaurus dracyi is recombined as Apateon dracyi' according to Werneburg 2001
- 'Branchiosaurus flagrifer belongs to Branchiosaurus' according to Whittard 1930
- 'Branchiosaurus flagrifer is recombined as Apateon flagrifer' according to Werneburg 1988
- 'Branchiosaurus flagrifer is recombined as Apateon flagrifer'
- 'Branchiosaurus gracilis is recombined as Apateon gracilis'
- 'Branchiosaurus gracilis belongs to Branchiosaurus' according to Credner 1881
- 'Branchiosaurus humbergensis belongs to Branchiosaurus' according to Boy 1978
- 'Branchiosaurus humbergensis is recombined as Melanerpeton humbergense'
- 'Branchiosaurus salamandroides belongs to Branchiosaurus'
- 'Branchiosaurus umbrosus belongs to Branchiosaurus' according to Fritsch 1879
- 'Branchiosaurus umbrosus is recombined as Apateon umbrosus'
- 'Brevidorsum belongs to Eucacopinae'
- 'Brevidorsum profundum belongs to Brevidorsum'
- 'Brevidorsum profundum belongs to Brevidorsum' according to Carroll 1964
- 'Broiliellus belongs to Dissorophinae'
- 'Broiliellus arroyoensis belongs to Broiliellus'
- 'Broiliellus brevis belongs to Broiliellus'
- 'Broiliellus hektotopos is a nomen dubium'
- 'Broiliellus olsoni belongs to Broiliellus'
- 'Broiliellus reiszi belongs to Broiliellus'
- 'Broiliellus texensis belongs to Broiliellus'
- 'Cacops belongs to Eucacopinae'
- 'Cacops aspidephorus belongs to Cacops'
- 'Cacops morrisi belongs to Cacops'
- 'Cacops woehri belongs to Cacops' according to Froebisch and Reisz 2012
- 'Cacops woehri belongs to Cacops'
- 'Ceraterpeton divaricatum is a subjective synonym of Stegops newberryi'
- 'Chenoprosopidae is a subjective synonym of Cochleosauridae'
- 'Chenoprosopus belongs to Cochleosauridae'
- 'Chenoprosopus lewisi is a subjective synonym of Chenoprosopus milleri'
- 'Chenoprosopus milleri belongs to Chenoprosopus'
- 'Chigutisauridae belongs to Brachyopoidea'
- 'Clamorosaurus belongs to Eryopinae'
- 'Clamorosaurus borealis belongs to Clamorosaurus'
- 'Clamorosaurus nocturnus belongs to Clamorosaurus'
- 'Clepsydrops gigas is a subjective synonym of Eryops megacephalus'
- 'Clepsydrops gigas is a subjective synonym of Eryops megacephalus' according to Romer and Price 1948
- 'Cochleosauridae belongs to Edopoidea'
- 'Cochleosaurus belongs to Cochleosauridae'
- 'Cochleosaurus falax is a subjective synonym of Cochleosaurus bohemicus'
- 'Cochleosaurus florensis belongs to Cochleosaurus'
- 'Colosteus foveatus is a subjective synonym of Isodectes obtusus'
- 'Conjunctio belongs to Eucacopinae'
- 'Conjunctio multidens belongs to Conjunctio'
- 'Ctenosaurus rugosus is recombined as Platyhystrix rugosus'
- 'Dasyceps belongs to Zatracheidae'
- 'Dawsonerpeton belongs to Dvinosauria'
- 'Dawsonia polydens is recombined as Dawsonerpeton polydens'
- 'Dendrerpeton belongs to Dendrerpetonidae'
- 'Dendrerpeton deprivatum is a subjective synonym of Cochleosaurus bohemicus'
- 'Dendrerpeton obtusum is recombined as Isodectes obtusus'
- 'Dendrerpeton pyriticum is a subjective synonym of Cochleosaurus bohemicus'
- 'Dendrerpetontidae is corrected as Dendrerpetidae and belongs to Eutemnospondyli'
- 'Dendrysekos belongs to Dendrerpetontidae'
- 'Diceratosaurus laevis is a subjective synonym of Erpetosaurus radiatus'
- 'Dissorophidae belongs to Olsoniformes'
- 'Dissorophinae belongs to Dissorophidae'
- 'Dissorophoidea was reranked as a unranked clade and belongs to Rhachitomi'
- 'Dissorophus belongs to Dissorophinae'
- 'Dissorophus articulatus belongs to Dissorophus' according to Cope 1896
- 'Dissorophus articulatus is a subjective synonym of Dissorophus multicinctus'
- 'Dissorophus augustus is a subjective synonym of Broiliellus brevis'
- 'Dissorophus multicinctus belongs to Dissorophus'
- 'Doleserpetontidae is a subjective synonym of Amphibamidae'
- 'Dvinosauria belongs to Rhachitomi'
- 'Dvinosauroidea belongs to Dvinosauria'
- 'Dvinosaurus belongs to Dvinosauridae'
- 'Dvinosaurus campbelli belongs to Dvinosaurus'
- 'Dvinosaurus egregius belongs to Dvinosaurus'
- 'Dvinosaurus egregius belongs to Dvinosaurus' according to Shishkin 1968
- 'Dvinosaurus primus belongs to Dvinosaurus'
- 'Dvinosaurus purlensis belongs to Dvinosaurus'
- 'Dvinosaurus purlensis belongs to Dvinosaurus' according to Shishkin 1968
- 'Dvinosaurus secundus is a subjective synonym of Dvinosaurus primus'
- 'Dvinosaurus tertius is a subjective synonym of Dvinosaurus primus'
- 'Dwinasauridae is corrected as Dvinosauridae and belongs to Dvinosauroidea'
- 'Ecolsonia belongs to Trematopidae'
- 'Edopidae belongs to Edopoidea'
- 'Edopoidea is corrected as Edopoidea and belongs to Temnospondyli'
- 'Edops belongs to Edopidae'
- 'Edops craigi belongs to Edops'
- 'Eimerisaurus belongs to Micromelerpetidae'
- 'Enosuchus belongs to Leptorophida'
- 'Enosuchus breviceps belongs to Enosuchus'
- 'Eobrachyopidae belongs to Dvinosauroidea'
- 'Eobrachyops is a subjective synonym of Isodectes'
- 'Eobrachyops townendae is a subjective synonym of Isodectes obtusus'
- 'Erpetocephalus is a subjective synonym of Dendrerpeton'
- 'Erpetosaurus belongs to Dvinosauria'
- 'Erpetosaurus tuberculatus belongs to Erpetosaurus' according to Moodie 1909
- 'Erpetosaurus tuberculatus is a subjective synonym of Stegops newberryi'
- 'Eryopinae belongs to Eryopidae'
- 'Eryops belongs to Eryopinae'
- 'Eryops reticulatus is a subjective synonym of Eryops grandis'
- 'Eucacopinae belongs to Dissorophidae'
- 'Eugyrinus belongs to Dvinosauria'
- 'Eumicrerpeton belongs to Branchiosauridae'
- 'Eumicrerpeton parvum belongs to Eumicrerpeton'
- 'Eutemnospondyli belongs to Temnospondyli'
- 'Fayella belongs to Dissorophidae'
- 'Fayella chickashaensis belongs to Fayella'
- 'Gaudrya is a subjective synonym of Cochleosaurus'
- 'Gaudrya latistoma is a subjective synonym of Cochleosaurus bohemicus'
- 'Gerrothorax belongs to Plagiosaurinae'
- 'Glanochthon angusta belongs to Glanochthon'
- 'Glaukerpeton belongs to Eryopinae'
- 'Hesperoherpeton garnettense is a nomen dubium'
- 'Hylonomus aciedentatus is a subjective synonym of Dendrerpeton acadianum'
- 'Hylonomus wildi is recombined as Eugyrinus wildi'
- 'Iberospondylus belongs to Eryopiformes'
- 'Ichthycanthus is a subjective synonym of Platyrhinops'
- 'Ichthycanthus platypus is a subjective synonym of Platyrhinops lyelli'
- 'Iratusaurus belongs to Dissorophidae'
- 'Iratusaurus vorax belongs to Iratusaurus'
- 'Isodectes belongs to Eobrachyopidae'
- 'Kamacops belongs to Eucacopinae'
- 'Kamacops acervalis belongs to Kamacops' according to Gubin 1980
- 'Kamacops acervalis belongs to Kamacops'
- 'Kourerpetontidae is a subjective synonym of Tupilakosauridae'
- 'Kourerpeton belongs to Tupilakosauridae'
- 'Kourerpeton bradyi belongs to Kourerpeton'
- 'Lafonius belongs to Trimerorhachidae'
- 'Lafonius lehmani belongs to Lafonius'
- 'Leptophractus dentatus belongs to Leptophractus' according to Moodie 1916
- 'Leptophractus dentatus is a subjective synonym of Macrerpeton huxleyi'
- 'Leptorophida belongs to Seymouriamorpha'
- 'Leptorophus belongs to Branchiosauridae'
- 'Limnerpeton elegans is recombined as Limnogyrinus elegans'
- 'Limnerpeton laticeps belongs to Limnerpeton' according to Fritsch 1881
- 'Limnerpeton laticeps is recombined as Mordex laticeps'
- 'Limnerpeton laticeps is recombined as Mordex laticeps' according to Milner and Sequeira 2003
- 'Limnogyrinus belongs to Micromelerpetidae'
- 'Limnogyrinus edani belongs to Limnogyrinus'
- 'Longiscitula is a subjective synonym of Dissorophus'
- 'Longiscitula houghae is a subjective synonym of Dissorophus multicinctus'
- 'Lupeosaurus is a subjective synonym of Eryops'
- 'Macrerpeton belongs to Dissorophidae'
- 'Macromerion juvenile belongs to Macromerion' according to Fritsch 1885
- 'Macromerion juvenile is a subjective synonym of Dawsonerpeton polydens'
- 'Mastodonsaurus granulosus is recombined as Plagiosternum granulosum'
- 'Mazonerpeton longicaudatum belongs to Mazonerpeton' according to Moodie 1912
- 'Mazonerpeton longicaudatum is a subjective synonym of Amphibamus grandiceps'
- 'Melanerpeton belongs to Branchiosauridae'
- 'Melanerpeton arnhardti belongs to Melanerpeton'
- 'Melanerpeton arnhardti belongs to Melanerpeton' according to Werneburg 1988
- 'Melanerpeton eisfeldi belongs to Melanerpeton'
- 'Melanerpeton eisfeldi belongs to Melanerpeton' according to Werneburg 1988
- 'Melanerpeton pusillum belongs to Melanerpeton' according to Fritsch 1878
- 'Melanerpeton pusillum belongs to Melanerpeton'
- 'Melanerpeton sembachense belongs to Melanerpeton' according to Werneburg 1989
- 'Melanerpeton sembachense belongs to Melanerpeton'
- 'Melanerpeton tenerum is recombined as Leptorophus tener'
- 'Melanerpetum is a subjective synonym of Melanerpeton'
- 'Melanopelta belongs to Plagiosterninae'
- 'Melanopelta antiqua belongs to Melanopelta' according to Shishkin 1967
- 'Melanopelta antiqua belongs to Melanopelta'
- 'Melosaurus bohemicus is recombined as Cochleosaurus bohemicus'
- 'Micrerpeton caudatum is a subjective synonym of Amphibamus grandiceps'
- 'Micromelerpeton belongs to Micromelerpetidae'
- 'Micromelerpeton boyi belongs to Micromelerpeton'
- 'Micromelerpeton ulmetense belongs to Micromelerpeton'
- 'Micromelerpetontidae is corrected as Micromelerpetidae and belongs to Dissorophoidea'
- 'Milnererpeton belongs to Branchiosauridae'
- 'Milneria huberi is recombined as Milnererpeton huberi'
- 'Miobatrachus romeri belongs to Miobatrachus' according to Watson 1940
- 'Mordex belongs to Trematopidae'
- 'Mytaras macrognathus belongs to Mytaras' according to Steen 1931
- 'Mytaras macrognathus is a subjective synonym of Macrerpeton huxleyi'
- 'Nannospondylus stewarti is a nomen dubium'
- 'Nanobamus belongs to Amphibamiformes'
- 'Nanobamus macrorhinus belongs to Nanobamus'
- 'Neldasaurus belongs to Trimerorhachidae'
- 'Neldasaurus wrightae belongs to Neldasaurus'
- 'Nigerpeton belongs to Cochleosauridae'
- 'Nigerpeton ricqlesi belongs to Nigerpeton'
- 'Nyranerpeton belongs to Micromelerpetidae'
- 'Nyranerpeton amilneri belongs to Nyranerpeton'
- 'Nyrania is a subjective synonym of Cochleosaurus'
- 'Nyrania trachystoma is a subjective synonym of Cochleosaurus bohemicus'
- 'Nyraniidae is a subjective synonym of Cochleosauridae'
- 'Olsoniformes belongs to Xerodromes'
- 'Onchiodon belongs to Eryopinae'
- 'Onchiodon credneri belongs to Onchiodon' according to Fritsch 1901
- 'Onchiodon langenhani belongs to Onchiodon' according to Werneburg 1989
- 'Onchiodon manebachensis belongs to Onchiodon' according to Langenhan 1909
- 'Onchiodon thuringiensis belongs to Onchiodon' according to Werneburg 2008
- 'Ophiacodon grandis is recombined as Eryops grandis'
- 'Osteophorus belongs to Eryopinae'
- 'Otocoelidae is a subjective synonym of Dissorophidae'
- 'Otocoelus is a subjective synonym of Dissorophus'
- 'Otocoelus mimeticus is a subjective synonym of Dissorophus multicinctus'
- 'Otocoelus testudineus is a subjective synonym of Dissorophus multicinctus'
- 'Isodectes megalops is a subjective synonym of Isodectes obtusus'
- 'Parioxys belongs to Eucacopinae'
- 'Parioxys bolli belongs to Parioxys' according to Carroll 1964
- 'Parioxys bolli belongs to Parioxys'
- 'Parioxys ferricolus belongs to Parioxys'
- 'Eryops ferricolus is a subjective synonym of Parioxys ferricolus'
- 'Pelosaurus gumbeli is recombined as Eimerisaurus guembeli'
- 'Pelosaurus laticeps belongs to Pelosaurus' according to Credner 1882
- 'Pelosaurus laticeps is a subjective synonym of Onchiodon labyrinthicus'
- 'Perryella belongs to Dissorophidae'
- 'Perryella olsoni belongs to Perryella'
- 'Plagiobatrachus belongs to Plagiosauridae'
- 'Plagiobatrachus australis belongs to Plagiobatrachus'
- 'Plagiorophus belongs to Plagiosterninae'
- 'Plagiosauridae belongs to Brachyopoidea'
- 'Plagiosaurinae belongs to Plagiosauridae'
- 'Plagiosaurus belongs to Plagiosaurinae'
- 'Plagiosaurus depressus belongs to Plagiosaurus'
- 'Plagioscutum belongs to Plagiosuchinae'
- 'Plagioscutum caspiense belongs to Plagioscutum'
- 'Plagiosterninae belongs to Plagiosauridae'
- 'Plagiosternum belongs to Plagiosterninae'
- 'Plagiosternum danilovi is recombined as Plagiorophus danilovi'
- 'Plagiosternum nanum belongs to Plagiosternum' according to Schmidt 1931
- 'Plagiosternum nanum is a subjective synonym of Plagiosternum granulosum'
- 'Plagiosternum paraboliceps is recombined as Plagiorophus paraboliceps'
- 'Plagiosternum pulcherrimum is recombined as Gerrothorax pulcherrimus'
- 'Plagiosternum pustuliferum is recombined as Plagiosuchus pustuliferus'
- 'Plagiosuchinae belongs to Plagiosauridae'
- 'Plagiosuchus belongs to Plagiosuchinae'
- 'Platyhistricinae belongs to Dissorophidae'
- 'Platyhystrix belongs to Platyhistricinae'
- 'Platyrhinops belongs to Amphibamidae'
- 'Platyrhinops fritschi belongs to Platyrhinops' according to Werneburg 2012
- 'Pleuronoura belongs to Temnospondyli'
- 'Pleuronoura pellati belongs to Pleuronoura' according to Gaudry 1879
- 'Pleuronoura pellati is a nomen dubium'
- 'Porierpeton belongs to Temnospondyli' according to Fritsch 1885
- 'Porierpeton nitens is a nomen dubium'
- 'Procochleosaurus belongs to Cochleosauridae'
- 'Procochleosaurus jarrowensis belongs to Procochleosaurus'
- 'Protriton is a subjective synonym of Apateon'
- 'Protriton fayoli belongs to Protriton' according to Thevenin 1906
- 'Protriton fayoli is a subjective synonym of Branchiosaurus salamandroides'
- 'Raniceps lyelli is recombined as Platyrhinops lyelli' according to Steen 1931
- 'Raniceps lyelli is recombined as Platyrhinops lyelli'
- 'Reiszerpeton belongs to Eucacopinae'
- 'Reiszerpeton renascentis belongs to Reiszerpeton' according to Maddin et al. 2013
- 'Reiszerpeton renascentis belongs to Reiszerpeton'
- 'Rhachitomi was reranked as a unranked clade and belongs to Eutemnospondyli'
- 'Salamandrella is a subjective synonym of Apateon'
- 'Salamandrella petrolei is recombined as Protriton petrolei' according to Gaudry 1876
- 'Salamandrella petrolei is a subjective synonym of Apateon pedestris'
- 'Saurerpeton is a subjective synonym of Isodectes'
- 'Sauropleura latithorax is a subjective synonym of Isodectes obtusus'
- 'Sauropleura newberryi belongs to Sauropleura' according to Cope 1875
- 'Sauropleura newberryi is recombined as Stegops newberryi'
- 'Scapanops belongs to Eucacopinae'
- 'Scapanops neglecta belongs to Scapanops'
- 'Schoenfelderpeton belongs to Branchiosauridae'
- 'Schoenfelderpeton prescheri belongs to Schoenfelderpeton'
- 'Slaugenhopia belongs to Tupilakosauridae'
- 'Slaugenhopia texensis belongs to Slaugenhopia' according to Olson 1962
- 'Slaugenhopia texensis belongs to Slaugenhopia'
- 'Stegopidae is a subjective synonym of Dissorophidae'
- 'Stegops belongs to Dissorophidae'
- 'Tersomius graumanni belongs to Tersomius' according to Boy 1980
- 'Tersomius graumanni is recombined as Eimerisaurus graumanni'
- 'Thabanchuia belongs to Tupilakosauridae'
- 'Thabanchuia oomie belongs to Thabanchuia'
- 'Trematopsidae is corrected as Trematopidae and belongs to Olsoniformes'
- 'Trematopsis is a subjective synonym of Cacops'
- 'Trematopsis seltini is a subjective synonym of Cacops aspidephorus'
- 'Trimerorhachidae belongs to Dvinosauria'
- 'Trimerorhachis belongs to Trimerorhachidae'
- 'Trimerorhachis alleni is a subjective synonym of Trimerorhachis insignis'
- 'Trimerorhachis bilobatus is a subjective synonym of Trimerorhachis insignis'
- 'Trimerorhachis conangulus is a subjective synonym of Isodectes obtusus'
- 'Trimerorhachis greggi belongs to Trimerorhachis' according to Milner and Schoch 2013
- 'Trimerorhachis medius belongs to Trimerorhachis' according to Broom 1913
- 'Trimerorhachis medius is a subjective synonym of Trimerorhachis insignis'
- 'Trimerorhachis mesops belongs to Trimerorhachis' according to Cope 1896
- 'Trimerorhachis sandovalensis belongs to Trimerorhachis' according to Berman and Reisz 1980
- 'Tuditanus huxleyi is recombined as Macrerpeton huxleyi'
- 'Tuditanus minimus is a subjective synonym of Isodectes obtusus'
- 'Tuditanus mordax belongs to Tuditanus' according to Cope 1874
- 'Tuditanus mordax is a subjective synonym of Platyrhinops lyelli' according to Steen 1931
- 'Tuditanus mordax is a subjective synonym of Platyrhinops lyelli'
- 'Tuditanus radiatus is recombined as Erpetosaurus radiatus' according to Moodie 1909
- 'Tuditanus radiatus is recombined as Erpetosaurus radiatus'
- 'Tuditanus sculptilis is a subjective synonym of Isodectes obtusus'
- 'Tuditanus tabulatus is a subjective synonym of Isodectes obtusus'
- 'Tuditanus walcotti belongs to Tuditanus' according to Moodie 1909
- 'Tuditanus walcotti is a subjective synonym of Isodectes obtusus'
- 'Tungussogyrinus belongs to Branchiosauridae'
- 'Tungussogyrinus bergi belongs to Tungussogyrinus'
- 'Tungussogyrinus bergi belongs to Tungussogyrinus' according to Efremov 1939
- 'Tupilakosauridae belongs to Dvinosauroidea'
- 'Tupilakosaurus belongs to Tupilakosauridae'
- 'Tupilakosaurus heilmani belongs to Tupilakosaurus'
- 'Tupilakosaurus wetlugensis belongs to Tupilakosaurus'
- 'Xerodromes belongs to Dissorophoidea'
- 'Zatracheidae belongs to Rhachitomi'
- 'Zatrachys belongs to Zatracheidae'
- 'Alegeinosaurus aphthitos is a nomen dubium'
- 'Zatrachys conchigerus is a nomen dubium'
- 'Zatrachys microphthalmus belongs to Zatrachys' according to Cope 1869
- 'Zatrachys microphthalmus is recombined as Dasyceps microphthalmus'
- 'Zygosaurus belongs to Eucacopinae'
- 'Zygosaurus lucius belongs to Zygosaurus'