Opinions from O. Kuhn 1971
- 'Aetosauridae belongs to Pseudosuchida'
- 'Aetosaurus belongs to Aetosauridae'
- 'Aetosaurus crassicauda belongs to Aetosaurus'
- 'Aetosaurus ferratus belongs to Aetosaurus'
- 'Anarosaurus belongs to Pachypleurosauridae'
- 'Anarosaurus multidentatus belongs to Anarosaurus'
- 'Anarosaurus pumilio belongs to Anarosaurus'
- 'Angistorhinopsis belongs to Parasuchida'
- 'Anomodontia was reranked as a suborder and belongs to Therapsida'
- 'Anomoiodon belongs to Procolophonidae'
- 'Anomoiodon krejcii belongs to Anomoiodon'
- 'Anomoiodon liliensterni belongs to Anomoiodon'
- 'Avipes belongs to Coeluridae'
- 'Avipes dillstedtianus belongs to Avipes'
- 'Basileosaurus belongs to Sclerosauridae'
- 'Belodon kapffi is recombined as Nicrosaurus kapffi'
- 'Belodon planirostris is recombined as Mystriosuchus planirostris'
- 'Belodon plieningeri belongs to Belodon'
- 'Belodontia is a subjective synonym of Parasuchida'
- 'Blezingeria belongs to Cymbospondylidae'
- 'Brachychirotherium belongs to Thecodontia'
- 'Californosaurus belongs to Cymbospondylidae'
- 'Capitosauridae belongs to Capitosauroidea'
- 'Capitosauroidea belongs to Stereospondylida'
- 'Capitosauroides belongs to Temnospondyli'
- 'Capitosaurus belongs to Capitosauridae'
- 'Capitosaurus arenaceus belongs to Capitosaurus'
- 'Capitosaurus fronto is a subjective synonym of Parotosaurus nasutus'
- 'Capitosaurus helgolandiae is recombined as Parotosaurus helgolandicus'
- 'Capitosaurus nasutus is recombined as Parotosaurus nasutus'
- 'Capitosaurus robustus is recombined as Cyclotosaurus robustus'
- 'Capitosaurus semiclausus is recombined as Parotosaurus semiclausus'
- 'Carnosauria is corrected as Carnosaurida and belongs to Theropoda'
- 'Chelonipus belongs to Testudines'
- 'Chelyoposuchus belongs to Henodontidae'
- 'Chelyoposuchus crassisquamatus belongs to Chelyoposuchus'
- 'Chelytherium belongs to Testudines'
- 'Chelyzoon belongs to Testudines'
- 'Chelyzoon blezingeri belongs to Chelyzoon'
- 'Chelyzoon latum belongs to Chelyzoon'
- 'Chirotherium belongs to Thecodontia'
- 'Coburgosuchus goeckeli belongs to Coburgosuchus'
- 'Coelurida is a subjective synonym of Coelurosaurida'
- 'Coeluridae belongs to Coelurosaurida'
- 'Coelurosauria was reranked as the infraorder Coelurosaurida and belongs to Theropoda'
- 'Coelurosaurichnus belongs to Saurischia'
- 'Conchiosaurus belongs to Simosauridae'
- 'Conchiosaurus clavatus belongs to Conchiosaurus'
- 'Crenelosaurus belongs to Proterosuchida'
- 'Crenelosaurus nigrosilvanus belongs to Crenelosaurus'
- 'Crurosaurus is a subjective synonym of Placodus'
- 'Crurosaurus problematicus is a nomen dubium'
- 'Ctenosauriscidae belongs to Pseudosuchida'
- 'Ctenosauriscus belongs to Ctenosauriscidae'
- 'Ctenosaurus is replaced by Ctenosauriscus'
- 'Cubicodon is a subjective synonym of Nicrosaurus'
- 'Cyamodontida was reranked as a infraorder and belongs to Placodontia'
- 'Cyamodontidae belongs to Cyamodontida'
- 'Cyamodus belongs to Cyamodontidae'
- 'Cyamodus tarnowitzensis is a subjective synonym of Cyamodus rostratus'
- 'Cyclotosauridae is a subjective synonym of Capitosauridae'
- 'Cyclotosaurus belongs to Capitosauridae'
- 'Cyclotosaurus ebrachensis belongs to Cyclotosaurus'
- 'Cyclotosaurus hemprichi belongs to Cyclotosaurus'
- 'Cyclotosaurus mechernichensis belongs to Cyclotosaurus'
- 'Cyclotosaurus mordax is a subjective synonym of Cyclotosaurus posthumus'
- 'Cyclotosaurus papilio is a nomen nudum'
- 'Cyclotosaurus posthumus belongs to Cyclotosaurus'
- 'Cylindricodon is a subjective synonym of Nicrosaurus'
- 'Cymatosauridae is a subjective synonym of Nothosauridae'
- 'Cymatosaurus belongs to Nothosauridae'
- 'Cymatosaurus erythreus belongs to Cymatosaurus'
- 'Cymatosaurus fridericianus belongs to Cymatosaurus'
- 'Cymatosaurus gracilis is recombined as Cymatosaurus (Germanosaurus) gracilis'
- 'Cymatosaurus silesiacus is recombined as Cymatosaurus (Germanosaurus) silesiacus'
- 'Cymbospondylidae belongs to Ichthyosauria'
- 'Cymbospondylus belongs to Cymbospondylidae'
- 'Cymbospondylus germanicus belongs to Cymbospondylus'
- 'Cymbospondylus parvus belongs to Cymbospondylus'
- 'Cynodontia was reranked as a suborder and belongs to Therapsida'
- 'Dactylosaurus belongs to Pachypleurosauridae'
- 'Delphinosaurus is replaced by Californosaurus'
- 'Dicynodontipus belongs to Theriodontia'
- 'Dolichosuchus belongs to Coeluridae'
- 'Dolichosuchus cristatus belongs to Dolichosuchus'
- 'Doliovertebra belongs to Pachypleurosauridae'
- 'Doliovertebra fritschi belongs to Doliovertebra'
- 'Dyoplax belongs to Thecodontia'
- 'Dyoplax arenaceus belongs to Dyoplax'
- 'Ebrachosaurus belongs to Thecodontia'
- 'Ebrachosaurus singularis belongs to Ebrachosaurus'
- 'Ebrachosuchus neukami belongs to Ebrachosuchus'
- 'Eifelosaurus belongs to Rhynchocephalia'
- 'Eifelosaurus triadicus belongs to Eifelosaurus'
- 'Elachistosuchus belongs to Sphenodontidae'
- 'Elachistosuchus huenei belongs to Elachistosuchus'
- 'Elmosaurus belongs to Pachypleurosauridae'
- 'Elmosaurus lelmensis belongs to Elmosaurus'
- 'Entoplastrites belongs to Testudines'
- 'Eocyclotosaurus belongs to Capitosauridae'
- 'Eocyclotosaurus woschmidti belongs to Eocyclotosaurus'
- 'Eoraetia belongs to Therapsida'
- 'Eoraetia siegerti belongs to Eoraetia'
- 'Eretmosaurus belongs to Plesiosauridae'
- 'Eurysaurus schafferi is recombined as Cymatosaurus (Germanosaurus) schafferi'
- 'Francosuchus broilii belongs to Francosuchus'
- 'Germanosaurus was reranked as Cymatosaurus (Germanosaurus) and belongs to Cymatosaurus'
- 'Gerrothorax belongs to Plagiosauridae'
- 'Gerrothorax rhaeticus belongs to Gerrothorax'
- 'Gresslyosaurus belongs to Plateosauridae'
- 'Gresslyosaurus ingens belongs to Gresslyosaurus'
- 'Gresslyosaurus plieningeri belongs to Gresslyosaurus'
- 'Gresslyosaurus robustus belongs to Gresslyosaurus'
- 'Gryponychidae is a subjective synonym of Palaeosauridae'
- 'Hallopodidae is a subjective synonym of Procompsognathidae'
- 'Halticosauridae is a subjective synonym of Podokesauridae'
- 'Halticosaurus belongs to Podokesauridae'
- 'Halticosaurus liliensterni belongs to Halticosaurus'
- 'Halticosaurus longotarsus belongs to Halticosaurus'
- 'Halticosaurus orbitoangulatus belongs to Halticosaurus'
- 'Haramiya [misspelled as Haramiyia] belongs to Haramiyidae'
- 'Haramiyidae belongs to Therapsida'
- 'Henodontida belongs to Placodontia'
- 'Henodontidae belongs to Henodontida'
- 'Henodus belongs to Henodontidae'
- 'Henodus chelyops belongs to Henodus'
- 'Hercynosaurus is a nomen vanum'
- 'Hercynosaurus carinidens is a nomen vanum'
- 'Hyperokynodon belongs to Trematosauridae'
- 'Ichthyosaurus atavus is recombined as Mixosaurus atavus'
- 'Koiloskiosaurus belongs to Procolophonidae'
- 'Koiloskiosaurus coburgiensis [misspelled as Koiloskiosaurus coburgensis] belongs to Koiloskiosaurus'
- 'Lamprosauroides belongs to Nothosauridae'
- 'Lamprosaurus is replaced by Lamprosauroides'
- 'Lamprosaurus goepperti is recombined as Lamprosauroides goepperti'
- 'Macrochemus is corrected as Macrocnemus and belongs to Macrocnemidae'
- 'Macrochemus bassanii is recombined as Macrocnemus bassanii'
- 'Macrocnemidae belongs to Squamata'
- 'Macrocnemus anatinus belongs to Macrocnemus' according to Huene 1944
- 'Macrocnemus anatinus belongs to Macrocnemus'
- 'Mastodonsauridae belongs to Capitosauroidea'
- 'Mastodonsaurus belongs to Mastodonsauridae'
- 'Mastodonsaurus andriani belongs to Mastodonsaurus'
- 'Mastodonsaurus cappelensis is recombined as Parotosaurus cappelensis'
- 'Mastodonsaurus granulosus is recombined as Plagiosternum granulosum'
- 'Mastodonsaurus ingens belongs to Mastodonsaurus'
- 'Mastodonsaurus meyeri belongs to Mastodonsaurus'
- 'Mastodonsaurus silesiacus is recombined as Parotosaurus silesiacus'
- 'Mastodonsaurus vaslenensis belongs to Mastodonsaurus'
- 'Mastodonsaurus weigelti is a subjective synonym of Parotosaurus nasutus'
- 'Megacnemus belongs to Macrocnemidae'
- 'Megacnemus grandis belongs to Megacnemus' according to Huene 1955
- 'Megacnemus grandis belongs to Megacnemus'
- 'Megalosaurus cloacinus is recombined as Plateosaurus cloacinus'
- 'Mentosaurus belongs to Capitosauridae'
- 'Mesorhinosuchus belongs to Parasuchida'
- 'Mesorhinus is replaced by Mesorhinosuchus'
- 'Mesorhinus fraasi is recombined as Mesorhinosuchus fraasi'
- 'Metopias is replaced by Metoposaurus'
- 'Metopias diagnosticus is recombined as Metoposaurus diagnosticus'
- 'Metoposauroidea belongs to Stereospondylida'
- 'Metoposaurus belongs to Metoposauroidea'
- 'Metoposaurus ultimus belongs to Metoposaurus'
- 'Microlestes is replaced by Thomasia'
- 'Microlestes antiquus is recombined as Thomasia antiqua'
- 'Mixosauridae belongs to Ichthyosauria'
- 'Mixosaurus belongs to Mixosauridae'
- 'Mixosaurus helveticus belongs to Mixosaurus'
- 'Mixosaurus intermedius belongs to Mixosaurus'
- 'Mixosaurus major belongs to Mixosaurus'
- 'Mucrotherium is a nomen dubium'
- 'Mystriosuchidea is corrected as Mystriosuchidae and belongs to Parasuchida'
- 'Mystriosuchus belongs to Mystriosuchidae'
- 'Mystriosuchus ruetimeyeri is recombined as Angistorhinopsis ruetimeyeri'
- 'Nothosauria was reranked as the suborder Nothosaurida and belongs to Sauropterygia'
- 'Nothosauridae belongs to Nothosaurida'
- 'Nothosaurus belongs to Nothosauridae'
- 'Nothosaurus aduncidens belongs to Nothosaurus'
- 'Nothosaurus andriani belongs to Nothosaurus'
- 'Nothosaurus angustifrons belongs to Nothosaurus'
- 'Nothosaurus baruthicus belongs to Nothosaurus'
- 'Nothosaurus bergeri is a subjective synonym of Nothosaurus mirabilis'
- 'Nothosaurus blezingeri belongs to Nothosaurus'
- 'Nothosaurus chelydrops belongs to Nothosaurus'
- 'Nothosaurus crassus belongs to Nothosaurus'
- 'Nothosaurus cuvieri belongs to Nothosaurus'
- 'Nothosaurus giganteus belongs to Nothosaurus'
- 'Nothosaurus hecki belongs to Nothosaurus'
- 'Nothosaurus ichthyospondylus is recombined as Blezingeria ichthyospondylus'
- 'Nothosaurus latifrons is recombined as Cymatosaurus latifrons'
- 'Nothosaurus latissimus is recombined as Cymatosaurus (Germanosaurus) latissimus'
- 'Nothosaurus marchicus belongs to Nothosaurus'
- 'Nothosaurus mirabilis belongs to Nothosaurus'
- 'Nothosaurus muensteri belongs to Nothosaurus'
- 'Nothosaurus oldenburgi [misspelled as Nothosaurus oldenbourgi] belongs to Nothosaurus'
- 'Nothosaurus procerus belongs to Nothosaurus'
- 'Nothosaurus raabi belongs to Nothosaurus'
- 'Nothosaurus schimperi belongs to Nothosaurus'
- 'Nothosaurus schroederi belongs to Nothosaurus'
- 'Nothosaurus strunzi belongs to Nothosaurus'
- 'Nothosaurus venustus belongs to Nothosaurus'
- 'Odontosaurus is a nomen vanum'
- 'Odontosaurus voltzi is a nomen vanum'
- 'Oligokyphus belongs to Tritylodontia'
- 'Oligokyphus biserialis belongs to Oligokyphus'
- 'Oligokyphus triserialis belongs to Oligokyphus'
- 'Opeosaurus belongs to Simosauridae'
- 'Opeosaurus suevicus belongs to Opeosaurus'
- 'Ornithosuchidae belongs to Pseudosuchida'
- 'Otozoum belongs to Saurischia'
- 'Pachygonosaurus is a nomen vanum'
- 'Pachypleuridae is corrected as Pachypleurosauridae and belongs to Nothosaurida'
- 'Pachypleurosaurus belongs to Pachypleurosauridae'
- 'Pachysaurops belongs to Plateosauridae'
- 'Pachysaurus is replaced by Pachysaurops'
- 'Pachysaurus ajax is recombined as Pachysaurops ajax'
- 'Pachysaurus giganteus is recombined as Pachysaurops giganteus'
- 'Pachysaurus magnus is recombined as Pachysaurops magnus'
- 'Pachysaurus wetzelianus is recombined as Pachysaurops wetzelianus'
- 'Pachystropheidae belongs to Rhynchocephalia'
- 'Pachystropheus belongs to Pachystropheidae'
- 'Pachystropheus rhaeticus belongs to Pachystropheus'
- 'Palaeosauridae belongs to Carnosaurida'
- 'Palaeosauriscidae is a subjective synonym of Palaeosauridae'
- 'Palaeosauriscus [misspelled as Palaeosauricus] belongs to Palaeosauridae'
- 'Palaeosaurus is replaced by Palaeosauricus'
- 'Paleorhinidae belongs to Parasuchida'
- 'Paleorhinus belongs to Paleorhinidae'
- 'Parachirotherium belongs to Saurischia'
- 'Paranothosaurus belongs to Nothosauridae'
- 'Paraplacodontidae is a subjective synonym of Placodontidae'
- 'Paraplacodus belongs to Placodontidae'
- 'Parasuchia is corrected as Parasuchida and belongs to Thecodontia'
- 'Parotosaurus belongs to Capitosauridae'
- 'Pectenosaurus is a subjective synonym of Tanystropheus'
- 'Pectenosaurus strunzi belongs to Pectenosaurus'
- 'Pessosaurus belongs to Cymbospondylidae'
- 'Pessosaurus suevicus belongs to Pessosaurus'
- 'Phytosauria is a subjective synonym of Parasuchida'
- 'Phytosauridae belongs to Parasuchida'
- 'Phytosaurus is a subjective synonym of Nicrosaurus'
- 'Pistosauria was reranked as the suborder Pistosaurida and belongs to Sauropterygia'
- 'Pistosauridae belongs to Pistosaurida'
- 'Pistosaurus belongs to Pistosauridae'
- 'Pistosaurus longaevus belongs to Pistosaurus'
- 'Placochelydae is corrected as Placochelyidae and belongs to Cyamodontida'
- 'Placochelys belongs to Placochelyidae'
- 'Placochelys alpissordidae belongs to Placochelys' according to Broili 1921
- 'Placochelys alpissordidae belongs to Placochelys'
- 'Placodontida belongs to Placodontia'
- 'Placodontidae belongs to Placodontida'
- 'Placodus belongs to Placodontidae'
- 'Placodus antiquior belongs to Placodus'
- 'Placodus gigas belongs to Placodus'
- 'Placodus impressus belongs to Placodus'
- 'Cyamodus muensteri is a subjective synonym of Cyamodus rostratus'
- 'Placodus rostratus is recombined as Cyamodus rostratus'
- 'Plagiosauridae belongs to Plagiosauroidea'
- 'Plagiosauroidea belongs to Stereospondylida'
- 'Plagiosaurus belongs to Plagiosauridae'
- 'Plagiosaurus depressus belongs to Plagiosaurus'
- 'Plagiosaurus franconicus [misspelled as Gerrothorax franconius] belongs to Gerrothorax'
- 'Plagiosaurus striopustulatus belongs to Plagiosaurus'
- 'Plagiosternum belongs to Plagiosauridae'
- 'Plagiosternum nanum belongs to Plagiosternum'
- 'Plagiosternum pulcherrimum is recombined as Gerrothorax pulcherrimus'
- 'Plagiosternum pustuliferum is recombined as Plagiosuchus pustuliferus'
- 'Plagiosuchus belongs to Plagiosauridae'
- 'Plagiosuchus pustuloglomeratus belongs to Plagiosuchus'
- 'Plateosauridae belongs to Prosauropoda'
- 'Plateosaurus belongs to Plateosauridae'
- 'Plateosaurus engelhardti belongs to Plateosaurus'
- 'Plateosaurus erlenbergiensis [misspelled as Plateosaurus erlenbergensis] belongs to Plateosaurus'
- 'Plateosaurus longiceps belongs to Plateosaurus'
- 'Plateosaurus ornatus belongs to Plateosaurus'
- 'Plateosaurus quenstedti belongs to Plateosaurus'
- 'Plateosaurus reinigeri belongs to Plateosaurus'
- 'Plateosaurus trossingensis belongs to Plateosaurus'
- 'Plesiosauria was reranked as the suborder Plesiosaurida and belongs to Sauropterygia'
- 'Plesiosauridae belongs to Plesiosaurida'
- 'Plesiosaurus belongs to Plesiosauridae'
- 'Plesiosaurus rugosus is recombined as Eretmosaurus rugosus'
- 'Podokesauridae belongs to Coelurosaurida'
- 'Polysphenodon belongs to Sphenodontidae'
- 'Polysphenodon muelleri belongs to Polysphenodon'
- 'Procerosaurus is a subjective synonym of Tanystropheus'
- 'Procerosaurus cruralis belongs to Procerosaurus'
- 'Procolophonichnium belongs to Procolophonomorpha'
- 'Procolophonidae belongs to Procolophonomorpha'
- 'Procompsognathidae belongs to Coelurosaurida'
- 'Procompsognathus belongs to Procompsognathidae'
- 'Procompsognathus triassicus belongs to Procompsognathus'
- 'Proganochelys belongs to Testudines'
- 'Proneusticosaurus belongs to Pachypleurosauridae'
- 'Proneusticosaurus silesiacus belongs to Proneusticosaurus'
- 'Prosauropoda belongs to Theropoda'
- 'Proterochersis belongs to Testudines'
- 'Proterochersis robusta belongs to Proterochersis'
- 'Proterosuchia is corrected as Proterosuchida and belongs to Thecodontia'
- 'Psammochelys is a subjective synonym of Proganochelys'
- 'Psephoderma belongs to Psephodermatidae'
- 'Psephoderma alpinum belongs to Psephoderma'
- 'Psephodermatidae belongs to Cyamodontida'
- 'Psephosaurus belongs to Placochelyidae'
- 'Psephosaurus suevicus belongs to Psephosaurus'
- 'Pseudosuchia is corrected as Pseudosuchida and belongs to Thecodontia'
- 'Psilotrachelosaurus belongs to Pachypleurosauridae'
- 'Pterospondylus is a subjective synonym of Procompsognathus'
- 'Pterospondylus trielbae is a subjective synonym of Procompsognathus triassicus'
- 'Rauisuchidae belongs to Pseudosuchida'
- 'Rhaeticonia belongs to Pachypleurosauridae'
- 'Rhinesuchidae is a subjective synonym of Sclerothoracidae'
- 'Rhynchosauroides belongs to Rhynchocephalia'
- 'Rileyasuchus belongs to Pseudosuchida'
- 'Rotodactylus belongs to Thecodontia'
- 'Salamandroides is a subjective synonym of Mastodonsaurus'
- 'Salamandroides giganteus is recombined as Mastodonsaurus giganteus'
- 'Saltoposuchus belongs to Ornithosuchidae'
- 'Saltoposuchus connectens belongs to Saltoposuchus'
- 'Saltoposuchus longipes [misspelled as Saltoposuchus longiceps] belongs to Saltoposuchus'
- 'Saurischiocomes belongs to Testudines'
- 'Saurosphargis belongs to Placochelyidae'
- 'Saurosphargis volzi belongs to Saurosphargis'
- 'Sclerosauridae belongs to Procolophonomorpha'
- 'Sclerosaurus belongs to Sclerosauridae'
- 'Sclerosaurus armatus belongs to Sclerosaurus'
- 'Sclerothoracidae belongs to Capitosauroidea'
- 'Sclerothorax belongs to Sclerothoracidae'
- 'Sclerothorax hypselonotus belongs to Sclerothorax'
- 'Seemannia belongs to Proterosuchida'
- 'Seemannia palaeotriadica belongs to Seemannia'
- 'Plateosaurus fraasi is a subjective synonym of Plateosaurus gracilis'
- 'Sellosaurus gracilis is recombined as Plateosaurus gracilis'
- 'Shastasauridae belongs to Ichthyosauria'
- 'Shastasaurus belongs to Shastasauridae'
- 'Shastasaurus merriami belongs to Shastasaurus'
- 'Simosaurinae was reranked as the family Simosauridae and belongs to Nothosaurida'
- 'Simosaurus belongs to Simosauridae'
- 'Simosaurus gaillardoti belongs to Simosaurus'
- 'Simosaurus guilielmi belongs to Simosaurus'
- 'Simosaurus mougeoti belongs to Simosaurus'
- 'Simosaurus pusillus is recombined as Neusticosaurus pusillus'
- 'Smilodon is replaced by Zanclodon'
- 'Smilodon crenatus [misspelled as Zanclodon arenatus] belongs to Zanclodon'
- 'Smilodon laevis is recombined as Zanclodon laevis'
- 'Sphenodontidae belongs to Rhynchocephalia'
- 'Stagonolepidae is a subjective synonym of Aetosauridae'
- 'Stathmodon belongs to Therapsida'
- 'Stegochelys is replaced by Triassochelys'
- 'Stegochelys dux is recombined as Triassochelys dux'
- 'Stereospondyli is corrected as Stereospondylida and belongs to Temnospondyli'
- 'Tanystropheidae belongs to Squamata'
- 'Tanystropheus belongs to Tanystropheidae'
- 'Tanystropheus antiquus belongs to Tanystropheus'
- 'Tanystropheus conspicuus belongs to Tanystropheus'
- 'Teratosaurus belongs to Palaeosauridae'
- 'Teratosaurus minor belongs to Teratosaurus'
- 'Teratosaurus suevicus belongs to Teratosaurus'
- 'Teratosaurus trossingensis belongs to Teratosaurus'
- 'Termatosaurus belongs to Plesiosauridae'
- 'Termatosaurus albertii belongs to Termatosaurus'
- 'Thecodontosauridae belongs to Prosauropoda'
- 'Thecodontosaurus belongs to Thecodontosauridae'
- 'Thecodontosaurus diagnosticus is recombined as Palaeosauriscus diagnosticus'
- 'Thecodontosaurus hermannianus is recombined as Plateosaurus hermannianus'
- 'Thecodontosaurus latespinatus is a nomen vanum'
- 'Thecodontosaurus primus is a nomen dubium'
- 'Theriodontia was reranked as a suborder and belongs to Therapsida'
- 'Theropoda was reranked as a suborder and belongs to Saurischia'
- 'Tholodontidae belongs to Rhynchocephalia'
- 'Tholodus belongs to Tholodontidae'
- 'Tholodus schmidi [misspelled as Tholodus schmidti] belongs to Tholodus'
- 'Thomasia belongs to Haramiyidae'
- 'Trachelosauridae belongs to Squamata'
- 'Trachelosaurus belongs to Trachelosauridae'
- 'Trachelosaurus fischeri belongs to Trachelosaurus'
- 'Trematosauridae belongs to Trematosauroidea'
- 'Trematosauroidea belongs to Stereospondylida'
- 'Trematosaurus belongs to Trematosauridae'
- 'Trematosaurus brauni belongs to Trematosaurus'
- 'Trematosaurus fuchsi is a subjective synonym of Trematosaurus brauni'
- 'Triassochelys belongs to Testudines'
- 'Tribelesodon longobardicus is recombined as Tanystropheus longobardicus'
- 'Tricuspes belongs to Therapsida'
- 'Tricuspes tuebingensis belongs to Tricuspes'
- 'Triglyphus belongs to Tritylodontia'
- 'Triglyphus fraasi belongs to Triglyphus' according to Lydekker 1877
- 'Triglyphus fraasi belongs to Triglyphus'
- 'Trigonosternum is a subjective synonym of Metoposaurus'
- 'Trigonosternum latum is a subjective synonym of Metoposaurus diagnosticus'
- 'Tritylodontia belongs to Therapsida'
- 'Trochanterium is a nomen vanum'
- 'Trochanterium gaudryi is a nomen vanum'
- 'Typothorax belongs to Aetosauridae'
- 'Uniserium is a nomen dubium'
- 'Velocipes belongs to Coeluridae'
- 'Velocipes guerichi belongs to Velocipes'
- 'Xestorrhytias is a subjective synonym of Mastodonsaurus'
- 'Zanclodon belongs to Zanclodontidae'
- 'Zanclodon schutzii is recombined as Teratosaurus schuetzii'
- 'Zanclodon silesiacus belongs to Zanclodon'
- 'Thecodontosaurus subcylindrodon is a nomen vanum'
- 'Zanclodontidae belongs to Squamata'