Opinions from O. Kuhn 1946
- 'Acanthopholididae is corrected as Acanthopholidae and belongs to Stegosauria'
- 'Acanthostomatidae belongs to Rhachitomi'
- 'Achelomidae belongs to Rhachitomi'
- 'Acrosauria belongs to Reptilia'
- 'Actinodontidae belongs to Rhachitomi'
- 'Adelogyrinidae belongs to Adelospondyli'
- 'Adelospondyli belongs to Stegocephalia'
- 'Aegyptosuchidae belongs to Eusuchia'
- 'Aetosauridae belongs to Pseudosuchia'
- 'Agamidae belongs to Iguania'
- 'Aglypha belongs to Colubridae'
- 'Aigialosauridae belongs to Platynota'
- 'Aistopoda belongs to Lepospondyli'
- 'Alligatorinae belongs to Crocodilidae'
- 'Allosauridae belongs to Carnosauria'
- 'Alopecopsidae belongs to Therocephalia'
- 'Amblycephalidae belongs to Amblycephalidiformia'
- 'Amblycephalidiformia belongs to Ophidia'
- 'Ambystomatidae [misspelled as Ambystomidae] belongs to Ambystomoidea'
- 'Ambystomatoidea [misspelled as Ambystomoidea] belongs to Urodela'
- 'Ammosauridae belongs to Coelurosauria'
- 'Amphibamidae belongs to Phyllospondyli'
- 'Amphichelydidae belongs to Pleurodira'
- 'Amphicoela belongs to Eoanura'
- 'Amphisbaenia was reranked as a superfamily and belongs to Lacertilia'
- 'Amphisbaenidae belongs to Amphisbaenia'
- 'Amphiumidae belongs to Salamandroidea'
- 'Anelytropidae is corrected as Anelytropsidae and belongs to Scincoidea'
- 'Angiostomata was reranked as a superfamily and belongs to Ophidia'
- 'Angistorhininae belongs to Phytosauridae'
- 'Anguidae belongs to Anguoidea'
- 'Anguoidea was reranked as a unranked clade and belongs to Kionocrania'
- 'Ankylosauridae is a subjective synonym of Nodosauridae'
- 'Anniellidae belongs to Anguoidea'
- 'Anomocoela belongs to Eoanura'
- 'Anomodontia is a subjective synonym of Theromorpha'
- 'Anthracosauridae belongs to Anthracosauroidea'
- 'Anthracosauroidea belongs to Embolomeri'
- 'Anuri is corrected as Anura and belongs to Euamphibia'
- 'Anurognathinae belongs to Rhamphorhynchidae'
- 'Apatosauridae belongs to Sauropoda'
- 'Apertotemporalidae belongs to Cryptodira'
- 'Araeoscelida was reranked as the suborder Araeoscelidia and belongs to Protorosauria'
- 'Araeoscelidae belongs to Araeoscelidia'
- 'Archaeochelyidae belongs to Pleurodira'
- 'Archaeophidae belongs to Cholophidia'
- 'Archegosauridae belongs to Rhachitomi'
- 'Ardeosauridae belongs to Scincoidea'
- 'Aspidosauridae was reranked as the subfamily Aspidosaurinae and belongs to Dissorophidae'
- 'Astrodontinae belongs to Camarasauridae'
- 'Atlantosauridae is a subjective synonym of Apatosauridae'
- 'Atoposaurides is corrected as Atoposauridae and belongs to Mesosuchia'
- 'Baenidae belongs to Pleurodira'
- 'Bauriamorpha was reranked as a superfamily and belongs to Theriodontia'
- 'Bauriidae [misspelled as Bauridae] belongs to Bauriamorpha'
- 'Belodontidae is a subjective synonym of Phytosauridae'
- 'Boaeformia belongs to Ophidia'
- 'Boidae belongs to Boaeformia'
- 'Boinae belongs to Boidae'
- 'Bothremydidae belongs to Pleurodira'
- 'Brachiosaurinae belongs to Cetiosauridae'
- 'Brachycephalidae belongs to Procoela'
- 'Brachyopidae belongs to Stereospondyli'
- 'Brancasauridae belongs to Plesiosauria'
- 'Branchiosauridae belongs to Phyllospondyli'
- 'Brevicipitidae [misspelled as Breviceptidae] belongs to Displasiocoela'
- 'Brontosauridae is a subjective synonym of Apatosauridae'
- 'Broomiidae is a subjective synonym of Saurosternidae'
- 'Bufonidae belongs to Procoela'
- 'Burnetiamorpha belongs to Theromorpha'
- 'Burnetidae is corrected as Burnetiidae and belongs to Burnetiamorpha'
- 'Caecilia belongs to Euamphibia'
- 'Camarasauridae belongs to Sauropoda'
- 'Camarasaurinae belongs to Camarasauridae'
- 'Camptosauridae belongs to Ornithopoda'
- 'Capitosauridae belongs to Stereospondyli'
- 'Captorhinidae belongs to Captorhinomorpha'
- 'Captorhinomorpha was reranked as a superfamily and belongs to Cotylosauria'
- 'Cardiodontinae belongs to Cetiosauridae'
- 'Carettochelyidae belongs to Trionychia'
- 'Carnosauria was reranked as a superfamily and belongs to Theropoda'
- 'Caseidae belongs to Edaphosauria'
- 'Ceratopsia belongs to Ornithischia'
- 'Ceratopsidae belongs to Ceratopsia'
- 'Ceratosauridae belongs to Coelurosauria'
- 'Cetiosauridae belongs to Sauropoda'
- 'Chamaeleonidae belongs to Rhiptoglossa'
- 'Champsosauridae belongs to Choristodera'
- 'Chasmatosaurus belongs to Proterosuchidae'
- 'Cheloniidae [misspelled as Chelonidae] belongs to Cryptodira'
- 'Cheloniinae belongs to Chelonidae'
- 'Chelydidae [misspelled as Chelydae] belongs to Pleurodira'
- 'Chelydridae belongs to Cryptodira'
- 'Chelyoposuchinae belongs to Placodontidae'
- 'Chiniquodontidae belongs to Cynodontia'
- 'Cholophidia was reranked as a superfamily and belongs to Ophidia'
- 'Choristodera was reranked as a suborder and belongs to Rhynchocephalia'
- 'Claraziidae belongs to Thalattosauria'
- 'Clepsydropsidae is a subjective synonym of Ophiacodontidae'
- 'Cochleosauridae belongs to Rhachitomi'
- 'Coeluridae belongs to Coelurosauria'
- 'Coelurosauria was reranked as a superfamily and belongs to Theropoda'
- 'Colosteidae belongs to Phyllospondyli'
- 'Colubridae belongs to Colubriformia'
- 'Colubriformia belongs to Ophidia'
- 'Colubrinae belongs to Proteroglypha'
- 'Compsognathidae belongs to Coelurosauria'
- 'Cotylosauria was reranked as a order and belongs to Reptilia'
- 'Cricotidae belongs to Anthracosauroidea'
- 'Crocodilia belongs to Reptilia'
- 'Crocodylidae is corrected as Crocodilidae and belongs to Eusuchia'
- 'Crocodylinae is corrected as Crocodilinae and belongs to Crocodilidae'
- 'Crotalinae belongs to Viperidae'
- 'Cryptobranchidae [misspelled as Cryptobranchiidae] belongs to Cryptobranchoidea'
- 'Cryptobranchoidea belongs to Urodela'
- 'Cryptoclididae belongs to Plesiosauria'
- 'Cryptodira belongs to Testudinata'
- 'Ctenochasminae belongs to Pterodactylidae'
- 'Cyamodontidae was reranked as the subfamily Cyamodontinae and belongs to Placodontidae'
- 'Cynodontia was reranked as a superfamily and belongs to Theriodontia'
- 'Cynognathidae belongs to Cynodontia'
- 'Cynosuchidae belongs to Gorgonopsia'
- 'Dendrerpetontidae belongs to Rhachitomi'
- 'Dermatemydidae belongs to Cryptodira'
- 'Dermatochelydidae belongs to Cryptodira'
- 'Desmatochelyidae belongs to Cryptodira'
- 'Desmatosuchidae belongs to Parasuchia'
- 'Desmatosuchinae belongs to Stagonolepidae'
- 'Diadectidae belongs to Diadectomorpha'
- 'Diadectomorpha was reranked as a superfamily and belongs to Cotylosauria'
- 'Diademodontidae belongs to Cynodontia'
- 'Dibamidae belongs to Scincoidea'
- 'Dicraeosauridae belongs to Sauropoda'
- 'Dicynodontia is corrected as Dicynodontia and belongs to Theromorpha'
- 'Dicynodontidae belongs to Dicynodontia'
- 'Dicynodontinae belongs to Dicynodontidae'
- 'Dimorphodontidae was reranked as the subfamily Dimorphodontinae and belongs to Rhamphorhynchidae'
- 'Dinocephalia belongs to Theromorpha'
- 'Dinodontidae is corrected as Deinodontidae and belongs to Carnosauria'
- 'Diplasiocoela [misspelled as Displasiocoela] belongs to Eoanura'
- 'Diplocaulidae belongs to Nectridia'
- 'Diplodocidae belongs to Sauropoda'
- 'Discoglossidae belongs to Opisthocoela'
- 'Dissorophidae belongs to Rhachitomi'
- 'Dissorophinae belongs to Dissorophidae'
- 'Dolichosauridae belongs to Platynota'
- 'Dromasauria belongs to Theromorpha'
- 'Dromatheriidae belongs to Protodonta'
- 'Dwinasauridae belongs to Rhachitomi'
- 'Dyrosauridae belongs to Mesosuchia'
- 'Edaphosauria was reranked as a superfamily and belongs to Pelycosauria'
- 'Edaphosauridae belongs to Edaphosauria'
- 'Elapidae was reranked as the subfamily Elapinae and belongs to Proteroglypha'
- 'Elasmosauridae belongs to Plesiosauria'
- 'Elginiidae is a subjective synonym of Pareiasauridae'
- 'Elliotsmithidae is a subjective synonym of Varanopsidae'
- 'Embolomeri belongs to Temnospondyli'
- 'Emydidae belongs to Cryptodira'
- 'Endothiodontidae belongs to Dicynodontia'
- 'Eoanura belongs to Anura'
- 'Eogyrinidae belongs to Anthracosauroidea'
- 'Eosuchia belongs to Thecodontia'
- 'Eothyrididae [misspelled as Eothyridae] belongs to Ophiacodontia'
- 'Episcoposaurinae belongs to Stagonolepidae'
- 'Erectopodidae belongs to Carnosauria'
- 'Erpetosuchidae belongs to Pseudosuchia'
- 'Erycinae belongs to Boidae'
- 'Eryopidae belongs to Rhachitomi'
- 'Erythrosuchidae belongs to Parasuchia'
- 'Euamphibia belongs to Amphibia'
- 'Euchambersidae is corrected as Euchambersiidae and belongs to Therocephalia'
- 'Eugyrinidae belongs to Phyllospondyli'
- 'Eunotosauria was reranked as a superfamily and belongs to Cotylosauria'
- 'Eunotosauridae belongs to Eunotosauria'
- 'Euparkeriidae belongs to Pseudosuchia'
- 'Euposauridae belongs to Anguoidea'
- 'Eurypterygiidae belongs to Latipinnatoidea'
- 'Eusuchia belongs to Crocodilia'
- 'Feyliniidae belongs to Scincoidea'
- 'Galechiridae belongs to Dromasauria'
- 'Galeopsidae belongs to Dromasauria'
- 'Galesauridae belongs to Cynodontia'
- 'Gavialidae belongs to Eusuchia'
- 'Gekkonidae belongs to Gekkota'
- 'Gekkota was reranked as a unranked clade and belongs to Kionocrania'
- 'Gerrhosauridae belongs to Lacertoidea'
- 'Glauconiidae belongs to Angiostomata'
- 'Glaucosauridae belongs to Edaphosauria'
- 'Globidensidae is corrected as Globidentidae and belongs to Mosasauria'
- 'Glyptosauridae is a subjective synonym of Placosauridae'
- 'Gnathodontidae belongs to Rhynchosauria'
- 'Gomphognathidae is a subjective synonym of Diademodontidae'
- 'Goniopholididae is corrected as Goniopholidae and belongs to Mesosuchia'
- 'Gorgonopsia belongs to Theromorpha'
- 'Gorgonopsidae belongs to Gorgonopsia'
- 'Grippidae was reranked as the superfamily Grippidia and belongs to Ichthysauria'
- 'Gryponychidae belongs to Carnosauria'
- 'Hallopidae is corrected as Hallopodidae and belongs to Coelurosauria'
- 'Haptodontinae belongs to Sphenacodontidae'
- 'Heleosauridae is a subjective synonym of Saurosternidae'
- 'Helodermatidae is corrected as Helodermidae and belongs to Anguoidea'
- 'Helopodinae belongs to Camarasauridae'
- 'Henodontidae was reranked as the subfamily Henodontinae and belongs to Placodontidae'
- 'Homeosauridae is corrected as Homoeosauridae and belongs to Sphenodontina'
- 'Howesiidae belongs to Rhynchosauria'
- 'Hydrophidae [misspelled as Hydrophinae] belongs to Proteroglypha'
- 'Hylaeochampsidae belongs to Eusuchia'
- 'Hylidae belongs to Procoela'
- 'Hylonomidae belongs to Microsauria'
- 'Hynobiidae belongs to Cryptobranchoidea'
- 'Hypsilophodontidae belongs to Ornithopoda'
- 'Hypsilophodontinae belongs to Hypsilophodontidae'
- 'Ichthyosauria [misspelled as Ichthysauria] belongs to Reptilia'
- 'Ichthyostegalia was reranked as a suborder and belongs to Temnospondyli'
- 'Ichthyostegidae belongs to Ichthyostegalia'
- 'Ictidorhinidae belongs to Gorgonopsia'
- 'Ictidosauria belongs to Theromorpha'
- 'Ictidosauridae belongs to Ictidosauria'
- 'Ictidosuchidae belongs to Therocephalia'
- 'Iguania was reranked as a unranked clade and belongs to Kionocrania'
- 'Iguanidae belongs to Iguania'
- 'Iguanodontidae belongs to Ornithopoda'
- 'Ilysiidae belongs to Boaeformia'
- 'Kallokibotiidae belongs to Pleurodira'
- 'Keraterpetontidae is corrected as Ceraterpetontidae and belongs to Nectridia'
- 'Kinosternoidea [misspelled as Cinosternidae] belongs to Cryptodira'
- 'Kionocrania was reranked as a superfamily and belongs to Lacertilia'
- 'Kotlassidae [misspelled as Kotlassiidae] belongs to Seymouriamorpha'
- 'Labrosauridae is a subjective synonym of Ceratosauridae'
- 'Labyrinthodontia is a subjective synonym of Temnospondyli'
- 'Lacertidae belongs to Lacertoidea'
- 'Lacertilia was reranked as a suborder and belongs to Squamata'
- 'Lacertoidea was reranked as a unranked clade and belongs to Kionocrania'
- 'Lambeosaurinae belongs to Trachodontidae'
- 'Lanthanosuchidae belongs to Seymouriamorpha'
- 'Latipinnatidae was reranked as the superfamily Latipinnatoidea and belongs to Ichthysauria'
- 'Leidyosuchinae belongs to Crocodilidae'
- 'Lepospondyli was reranked as a order and belongs to Stegocephalia'
- 'Leptocleididae [misspelled as Leptoclididae] belongs to Plesiosauria'
- 'Libycosuchidae belongs to Mesosuchia'
- 'Limnoscelidae belongs to Captorhinomorpha'
- 'Liopelmidae belongs to Amphicoela'
- 'Longipinnatidae was reranked as the superfamily Longipinnatoidea and belongs to Ichthysauria'
- 'Loxommatidae [misspelled as Loxommidae] belongs to Loxommoidea'
- 'Loxommatoidea [misspelled as Loxommoidea] belongs to Embolomeri'
- 'Lupeosauridae belongs to Edaphosauria'
- 'Lycideopsidae belongs to Therocephalia'
- 'Lydekkerinidae belongs to Rhachitomi'
- 'Lysorophidae belongs to Adelospondyli'
- 'Lytolominae belongs to Chelonidae'
- 'Macrocnemidae belongs to Macrocnemoidea'
- 'Macrocnemoidea belongs to Protorosauria'
- 'Macroscelesauridae belongs to Dromasauria'
- 'Massospondylidae is a subjective synonym of Thecodontosauridae'
- 'Mastodonsauridae belongs to Stereospondyli'
- 'Megalanidae is a subjective synonym of Varanidae'
- 'Megalosauri is corrected as Megalosauridae and belongs to Carnosauria'
- 'Melanorosauridae belongs to Prosauropoda'
- 'Mesosauridae belongs to Proganosauria'
- 'Mesosuchia belongs to Crocodilia'
- 'Mesosuchidae belongs to Rhynchosauria'
- 'Metoposauridae belongs to Stereospondyli'
- 'Metriorhynchidae belongs to Thalattosuchia'
- 'Microbrachidae belongs to Microsauria'
- 'Micropholidae belongs to Rhachitomi'
- 'Microsauria belongs to Stegocephalia'
- 'Millerinidae belongs to Diadectomorpha'
- 'Miobatrachidae belongs to Phyllospondyli'
- 'Miolaniidae belongs to Pleurodira'
- 'Mixosauridae belongs to Latipinnatoidea'
- 'Molgophidae belongs to Aistopoda'
- 'Mormosauridae belongs to Dinocephalia'
- 'Morosaurinae is a subjective synonym of Camarasaurinae'
- 'Mosasauria was reranked as a superfamily and belongs to Lacertilia'
- 'Mosasauridae belongs to Mosasauria'
- 'Moschopidae belongs to Dinocephalia'
- 'Moschosauridae belongs to Dinocephalia'
- 'Muraenosauridae belongs to Plesiosauria'
- 'Mystriosuchidae is a subjective synonym of Phytosauridae'
- 'Naosauridae is a subjective synonym of Edaphosauridae'
- 'Nectridea is corrected as Nectridia and belongs to Lepospondyli'
- 'Necturi is corrected as Necturidae and belongs to Salamandroidea'
- 'Nitosauridae belongs to Edaphosauria'
- 'Nodosauridae belongs to Stegosauria'
- 'Nothosauria was reranked as a suborder and belongs to Sauropterygia'
- 'Nothosauridae belongs to Nothosauria'
- 'Notochampsidae belongs to Protosuchia'
- 'Notosuchidae belongs to Mesosuchia'
- 'Notosuchinae belongs to Notosuchidae'
- 'Nyctiphruretinae belongs to Procolophonidae'
- 'Nyctosauridae was reranked as the subfamily Nyctosaurinae and belongs to Pteranodontidae'
- 'Nythosauridae is a subjective synonym of Galesauridae'
- 'Omphalosauridae was reranked as the family Omphalosauria and belongs to Ichthysauria'
- 'Ophiacodontia was reranked as a superfamily and belongs to Pelycosauria'
- 'Ophiacodontidae belongs to Ophiacodontia'
- 'Ophiderpetontidae belongs to Aistopoda'
- 'Ophidia was reranked as a suborder and belongs to Squamata'
- 'Opisthocoela belongs to Eoanura'
- 'Opisthoglypha belongs to Colubridae'
- 'Ornithischia belongs to Reptilia'
- 'Ornithocheiridae was reranked as the subfamily Ornithocheirinae and belongs to Pteranodontidae'
- 'Ornithodesmidae belongs to Pterodactyloidea'
- 'Ornithomimidae belongs to Coelurosauria'
- 'Ornithopoda belongs to Ornithischia'
- 'Ornithosuchidae belongs to Pseudosuchia'
- 'Orophicephalinae belongs to Dicynodontidae'
- 'Otocoelidae is a subjective synonym of Dissorophidae'
- 'Otocratiidae belongs to Anthracosauroidea'
- 'Oudenodontidae was reranked as the subfamily Oudenodontinae and belongs to Dicynodontidae'
- 'Pachyophidae is corrected as Pachyophiidae and belongs to Cholophidia'
- 'Pachypleuridae is corrected as Pachypleurosauridae and belongs to Nothosauria'
- 'Palacrodontidae belongs to Rhynchosauria'
- 'Palaeobatrachidae belongs to Procoela'
- 'Palaeogyrinidae belongs to Anthracosauroidea'
- 'Palaeohatteriidae is a subjective synonym of Sphenacodontidae'
- 'Palaeopheidae is corrected as Palaeophiidae and belongs to Cholophidia'
- 'Palaeosauridae belongs to Carnosauria'
- 'Paliguanidae belongs to Iguania'
- 'Pantelosauridae is a subjective synonym of Sphenacodontidae'
- 'Pantylidae belongs to Captorhinomorpha'
- 'Parasuchia belongs to Thecodontia'
- 'Pareiasauridae belongs to Diadectomorpha'
- 'Peliontidae belongs to Phyllospondyli'
- 'Pelobatidae belongs to Anomocoela'
- 'Pelomedusidae belongs to Pleurodira'
- 'Pelorocyclopinae belongs to Dicynodontidae'
- 'Pelycosauria was reranked as a suborder and belongs to Theromorpha'
- 'Phlegethontiidae [misspelled as Phlegetontiidae] belongs to Aistopoda'
- 'Pholidogasteridae belongs to Anthracosauroidea'
- 'Pholidosauridae belongs to Mesosuchia'
- 'Phyllospondyli belongs to Stegocephalia'
- 'Phytosauria is a subjective synonym of Parasuchia'
- 'Phytosauridae belongs to Parasuchia'
- 'Phytosaurinae belongs to Phytosauridae'
- 'Pipidae belongs to Opisthocoela'
- 'Pistosauria was reranked as a suborder and belongs to Sauropterygia'
- 'Pistosauridae belongs to Pistosauria'
- 'Placochelydae is corrected as Placochelyidae and belongs to Placodontia'
- 'Placodontia belongs to Reptilia'
- 'Placodontidae belongs to Placodontia'
- 'Placosauridae belongs to Anguoidea'
- 'Plagiosauridae is a subjective synonym of Brachyopidae'
- 'Plateosauravidae belongs to Prosauropoda'
- 'Plateosauridae belongs to Prosauropoda'
- 'Platychelyidae [misspelled as Platychelydae] belongs to Cryptodira'
- 'Platynota was reranked as a superfamily and belongs to Lacertilia'
- 'Platysternidae belongs to Cryptodira'
- 'Plesiosauria was reranked as a suborder and belongs to Sauropterygia'
- 'Plesiosauridae belongs to Plesiosauria'
- 'Plethodontidae belongs to Salamandroidea'
- 'Pleurodira belongs to Testudinata'
- 'Pleurosauridae belongs to Acrosauria'
- 'Pleurosternidae belongs to Pleurodira'
- 'Plioplatecarpidae belongs to Mosasauria'
- 'Pliosauridae belongs to Plesiosauria'
- 'Podokesauridae belongs to Coelurosauria'
- 'Poliosauridae is a subjective synonym of Ophiacodontidae'
- 'Polycotylidae belongs to Plesiosauria'
- 'Poposauridae belongs to Ornithopoda'
- 'Pristerognathidae belongs to Therocephalia'
- 'Proanura was reranked as a suborder and belongs to Anura'
- 'Procerosuchus belongs to Stagonolepidae'
- 'Procoela belongs to Eoanura'
- 'Procolophonidae belongs to Diadectomorpha'
- 'Procolophoninae belongs to Procolophonidae'
- 'Procompsognathidae belongs to Coelurosauria'
- 'Proganochelyidae belongs to Cryptodira'
- 'Proganosauria belongs to Reptilia'
- 'Prolacertidae belongs to Lacertoidea'
- 'Prosauropoda was reranked as a superfamily and belongs to Theropoda'
- 'Proteidae belongs to Salamandroidea'
- 'Proterochersidae is a subjective synonym of Archaeochelyidae'
- 'Proteroglypha was reranked as a unranked clade and belongs to Colubridae'
- 'Proterosuchidae belongs to Pseudosuchia'
- 'Protobatrachidae belongs to Proanura'
- 'Protoceratopsidae belongs to Ceratopsia'
- 'Protodonta was reranked as a suborder and belongs to Theromorpha'
- 'Protorosauria belongs to Reptilia'
- 'Protorosauridae belongs to Macrocnemoidea'
- 'Protorothyrididae [misspelled as Protothyrididae] belongs to Captorhinomorpha'
- 'Protostegidae belongs to Cryptodira'
- 'Protosuchia belongs to Crocodilia'
- 'Protosuchidae belongs to Protosuchia'
- 'Protrachodontinae belongs to Trachodontidae'
- 'Pseudosuchia belongs to Thecodontia'
- 'Psittacosauridae belongs to Ornithopoda'
- 'Pteranodontidae belongs to Pterodactyloidea'
- 'Pteranodontinae is a subjective synonym of Ornithocheirinae'
- 'Pterodactylidae belongs to Pterodactyloidea'
- 'Pterodactylinae belongs to Pterodactylidae'
- 'Pterodactyloidea belongs to Pterosauria'
- 'Pterosauria belongs to Reptilia'
- 'Pygopodidae [misspelled as Pygopidae] belongs to Pygopodoidea'
- 'Pygopodoidea was reranked as a unranked clade and belongs to Kionocrania'
- 'Pylaecephalinae belongs to Dicynodontidae'
- 'Pythoninae belongs to Boidae'
- 'Ranidae belongs to Displasiocoela'
- 'Rauisuchinae belongs to Stagonolepidae'
- 'Rhachitomi belongs to Temnospondyli'
- 'Rhacophoridae belongs to Displasiocoela'
- 'Rhamphorhynchidae belongs to Rhamphorhynchoidea'
- 'Rhamphorhynchinae belongs to Rhamphorhynchidae'
- 'Rhamphorhynchoidea belongs to Pterosauria'
- 'Rhinesuchidae belongs to Rhachitomi'
- 'Rhiptoglossi was reranked as the superfamily Rhiptoglossa and belongs to Lacertilia'
- 'Rhynchocephalia belongs to Reptilia'
- 'Rhynchosauria was reranked as a suborder and belongs to Rhynchocephalia'
- 'Rhynchosauridae belongs to Rhynchosauria'
- 'Romeriidae belongs to Captorhinomorpha'
- 'Rubidgeidae belongs to Gorgonopsia'
- 'Salamandridae belongs to Salamandroidea'
- 'Salamandroidea belongs to Urodela'
- 'Sapheosauridae is a subjective synonym of Sauranodontidae'
- 'Sauranodontes is corrected as Sauranodontidae and belongs to Sphenodontina'
- 'Sauravidae belongs to Seymouriamorpha'
- 'Saurischia belongs to Reptilia'
- 'Saurolophinae belongs to Trachodontidae'
- 'Sauropoda was reranked as a suborder and belongs to Saurischia'
- 'Sauropterygia was reranked as a order and belongs to Reptilia'
- 'Saurosternidae belongs to Eosuchia'
- 'Scaloposauridae belongs to Therocephalia'
- 'Scelidosauridae belongs to Stegosauria'
- 'Scincidae belongs to Scincoidea'
- 'Scincoidea was reranked as a unranked clade and belongs to Kionocrania'
- 'Scleromochlidae belongs to Pseudosuchia'
- 'Secodontosaurinae belongs to Sphenacodontidae'
- 'Segisauridae belongs to Carnosauria'
- 'Sellosauridae is a subjective synonym of Teratosauridae'
- 'Seymouriamorpha was reranked as a superfamily and belongs to Cotylosauria'
- 'Seymouriidae belongs to Seymouriamorpha'
- 'Shastasauridae belongs to Longipinnatoidea'
- 'Simoedosauria is a subjective synonym of Choristodera'
- 'Simoliopheidae [misspelled as Symoliophidae] belongs to Cholophidia'
- 'Sirenidae belongs to Salamandroidea'
- 'Solenoglypha was reranked as a superfamily and belongs to Ophidia'
- 'Sphargidae is a subjective synonym of Dermatochelydidae'
- 'Sphenacodontia was reranked as a superfamily and belongs to Pelycosauria'
- 'Sphenacodontidae belongs to Sphenacodontia'
- 'Sphenacodontinae belongs to Sphenacodontidae'
- 'Sphenodonti was reranked as the suborder Sphenodontina and belongs to Rhynchocephalia'
- 'Sphenodontidae belongs to Sphenodontina'
- 'Sphenosuchidae is a subjective synonym of Erpetosuchidae'
- 'Spinosauridae belongs to Carnosauria'
- 'Squamata belongs to Reptilia'
- 'Stagonolepididae [misspelled as Stagonolepidae] belongs to Parasuchia'
- 'Stagonolepinae belongs to Stagonolepidae'
- 'Stegocephali was reranked as the subclass Stegocephalia and belongs to Amphibia'
- 'Stegomosuchidae is a subjective synonym of Ornithosuchidae'
- 'Stegopidae belongs to Phyllospondyli'
- 'Stegosauria belongs to Ornithischia'
- 'Stegosauridae belongs to Stegosauria'
- 'Stenopelyxidae belongs to Stegosauria'
- 'Stenopterygiidae belongs to Longipinnatoidea'
- 'Stereospondyli belongs to Temnospondyli'
- 'Stomatosuchidae belongs to Eusuchia'
- 'Styracocephalia was reranked as a suborder and belongs to Theromorpha'
- 'Styracocephalidae belongs to Styracocephalia'
- 'Tanysitrachelia belongs to Protorosauria'
- 'Tanysitrachelidae belongs to Tanysitrachelia'
- 'Tapinocephalidae belongs to Dinocephalia'
- 'Teiidae [misspelled as Tejidae] belongs to Lacertoidea'
- 'Teleosauridae belongs to Mesosuchia'
- 'Temnospondyli was reranked as a order and belongs to Stegocephalia'
- 'Teratosauridae belongs to Carnosauria'
- 'Testudinata belongs to Reptilia'
- 'Testudinidae belongs to Cryptodira'
- 'Thalassemydidae belongs to Cryptodira'
- 'Thalattosauria belongs to Reptilia'
- 'Thalattosauridae belongs to Thalattosauria'
- 'Thalattosuchia belongs to Crocodilia'
- 'Thecodontia belongs to Reptilia'
- 'Thecodontosauridae belongs to Prosauropoda'
- 'Theriodontia was reranked as a suborder and belongs to Theromorpha'
- 'Therocephalia was reranked as a suborder and belongs to Theromorpha'
- 'Theromorpha belongs to Reptilia'
- 'Theropoda was reranked as a suborder and belongs to Saurischia'
- 'Thescelosaurinae belongs to Hypsilophodontidae'
- 'Tholodontidae is a subjective synonym of Claraziidae'
- 'Titanosauridae belongs to Sauropoda'
- 'Titanosuchidae belongs to Dinocephalia'
- 'Toxochelyidae belongs to Cryptodira'
- 'Trachelosauria belongs to Sauropterygia'
- 'Trachelosauridae belongs to Trachelosauria'
- 'Trachodontidae belongs to Ornithopoda'
- 'Trachodontinae belongs to Trachodontidae'
- 'Traversodontidae belongs to Cynodontia'
- 'Tremamesacleididae belongs to Plesiosauria'
- 'Trematopsidae belongs to Rhachitomi'
- 'Trematosauridae belongs to Stereospondyli'
- 'Trimerorhachidae belongs to Rhachitomi'
- 'Trionychia belongs to Testudinata'
- 'Trionychidae belongs to Trionychia'
- 'Typhlopidae belongs to Angiostomata'
- 'Urocordylidae belongs to Nectridia'
- 'Urodeles was reranked as the order Urodela and belongs to Euamphibia'
- 'Uropeltidae belongs to Boaeformia'
- 'Uroplatidae belongs to Gekkota'
- 'Uruguaysuchinae belongs to Notosuchidae'
- 'Varanidae belongs to Platynota'
- 'Varanopsidae belongs to Sphenacodontia'
- 'Viperidae belongs to Solenoglypha'
- 'Viperinae belongs to Viperidae'
- 'Weigeltisauria belongs to Theromorpha'
- 'Weigeltisauridae belongs to Weigeltisauria'
- 'Whaitsiidae belongs to Therocephalia'
- 'Xantusiidae belongs to Xantusioidea'
- 'Xantusioidea was reranked as a unranked clade and belongs to Kionocrania'
- 'Xenopeltidae belongs to Boaeformia'
- 'Xenosauridae belongs to Anguoidea'
- 'Younginidae belongs to Eosuchia'
- 'Zanclodontidae is a subjective synonym of Teratosauridae'
- 'Zatracheidae is corrected as Zatrachydidae and belongs to Rhachitomi'
- 'Zonuridae belongs to Zonuroidea'
- 'Zonuroidea was reranked as a unranked clade and belongs to Kionocrania'