Opinions from K. A. v. Zittel 1890
- 'Acanthopholis belongs to Scelidosauridae'
- 'Accipitres was reranked as a unranked clade and belongs to Ciconiiformes'
- 'Actiosaurus belongs to Zanclodontidae'
- 'Aepisaurus is corrected as Aepysaurus and belongs to Sauropoda'
- 'Agamidae belongs to Lacertilia'
- 'Agathaumas belongs to Ceratopsia'
- 'Agnopterus belongs to Phoenicopteri'
- 'Aletornis belongs to Gruidae'
- 'Alligatoridae belongs to Brevirostres'
- 'Allosaurus belongs to Megalosauridae'
- 'Allosaurus fragilis [misspelled as Allosaurus agilis] belongs to Allosaurus'
- 'Altispinax dunkeri is recombined as Megalosaurus dunkeri'
- 'Amphicoelias belongs to Atlantosauridae'
- 'Amphicoelias altus belongs to Amphicoelias'
- 'Amphicoelias latus belongs to Amphicoelias'
- 'Amphisaurus is a subjective synonym of Anchisaurus'
- 'Amphorosteus is a subjective synonym of Mosasaurus'
- 'Anchisauridae belongs to Theropoda'
- 'Anchisaurus belongs to Anchisauridae'
- 'Anchisaurus major belongs to Anchisaurus'
- 'Anguidae belongs to Lacertilia'
- 'Ankistrodon is replaced by Epicampodon'
- 'Anomodontia was reranked as a suborder and belongs to Theromorpha'
- 'Anoplosaurus belongs to Scelidosauridae'
- 'Anseres was reranked as a family and belongs to Anseriformes'
- 'Anseriformes was reranked as a suborder and belongs to Carinatae'
- 'Antrodemus is a subjective synonym of Megalosaurus'
- 'Apatornis belongs to Odontotormae'
- 'Apatosaurus belongs to Atlantosauridae'
- 'Apatosaurus ajax belongs to Apatosaurus'
- 'Apatosaurus grandis is recombined as Morosaurus grandis'
- 'Apatosaurus laticollis belongs to Apatosaurus'
- 'Aphanapteryx belongs to Rallidae'
- 'Apterornis is a subjective synonym of Pezophaps'
- 'Aptornis belongs to Aptornithidae'
- 'Aptornithidae belongs to Gruiformes'
- 'Archaeopteryx belongs to Saururae'
- 'Archaeopteryx lithographica belongs to Archaeopteryx'
- 'Arctosaurus belongs to Anchisauridae'
- 'Argillornis belongs to Tubinares'
- 'Aristosuchus belongs to Coeluridae'
- 'Astrodon belongs to Sauropoda'
- 'Atlantosauridae belongs to Sauropoda'
- 'Atlantosaurus belongs to Atlantosauridae'
- 'Atlantosaurus immanis belongs to Atlantosaurus'
- 'Atoposaurides is corrected as Atoposauridae and belongs to Brevirostres'
- 'Aublysodon belongs to Megalosauridae'
- 'Baptornis belongs to Odontolcae'
- 'Baptornis advenus belongs to Baptornis'
- 'Barosaurus belongs to Diplodocidae'
- 'Baseodon is a subjective synonym of Mosasaurus'
- 'Bathygnathus belongs to Anchisauridae'
- 'Batrachiosaurus is a subjective synonym of Mosasaurus'
- 'Bernissartidae belongs to Brevirostres'
- 'Boidae [misspelled as Boaeidae] belongs to Ophidia'
- 'Bothriospondylus belongs to Sauropoda'
- 'Brachytaenius is a subjective synonym of Dacosaurus'
- 'Brachytrachelus is a subjective synonym of Scaphognathus'
- 'Brevirostres belongs to Eusuchia'
- 'Brontosaurus belongs to Atlantosauridae'
- 'Brontosaurus amplus belongs to Brontosaurus'
- 'Brontosaurus excelsus belongs to Brontosaurus'
- 'Calamospondylus belongs to Coeluridae'
- 'Camarasaurus [misspelled as Camarosaurus] belongs to Morosauridae'
- 'Camarasaurus supremus [misspelled as Camarosaurus supremus] belongs to Camarosaurus'
- 'Camptonotus is replaced by Camptosaurus'
- 'Camptonotus amplus is recombined as Camptosaurus amplus'
- 'Camptonotus dispar is recombined as Camptosaurus dispar'
- 'Camptosauridae belongs to Ornithopoda'
- 'Camptosaurus belongs to Camptosauridae'
- 'Cardiodon is a subjective synonym of Cetiosaurus'
- 'Carinatae was reranked as a order and belongs to Aves'
- 'Caulodon belongs to Morosauridae'
- 'Ceratops belongs to Ceratopsia'
- 'Ceratops horridus is recombined as Triceratops horridus'
- 'Ceratops montanus belongs to Ceratops'
- 'Ceratopsia was reranked as a superfamily and belongs to Orthopoda'
- 'Ceratosauridae belongs to Theropoda'
- 'Ceratosaurus belongs to Ceratosauridae'
- 'Ceratosaurus nasicornis belongs to Ceratosaurus'
- 'Cetiosauridae belongs to Sauropoda'
- 'Cetiosaurus belongs to Cetiosauridae'
- 'Cetiosaurus glymptonensis belongs to Cetiosaurus'
- 'Cetiosaurus humerocristatus is a subjective synonym of Ornithopsis leedsi'
- 'Cetiosaurus longus is a subjective synonym of Cetiosaurus oxoniensis'
- 'Cetiosaurus medius is a subjective synonym of Cetiosaurus oxoniensis'
- 'Cetiosaurus oxoniensis belongs to Cetiosaurus'
- 'Chamaeleonidae is corrected as Chamaeleontidae and belongs to Lacertilia'
- 'Champsosauridae belongs to Proganosauria'
- 'Chelonemydidae belongs to Cryptodira'
- 'Cheloniidae [misspelled as Chelonidae] belongs to Cryptodira'
- 'Chelydridae belongs to Cryptodira'
- 'Chersidae belongs to Cryptodira'
- 'Chondrosteosaurus is a subjective synonym of Ornithopsis'
- 'Ciconiiformes was reranked as a suborder and belongs to Carinatae'
- 'Cimoliornis is a subjective synonym of Ornithocheirus'
- 'Cinodon is corrected as Cionodon and belongs to Hadrosauridae'
- 'Cladeiodon [misspelled as Cladyodon] belongs to Zanclodontidae'
- 'Cladeiodon lloydii [misspelled as Cladyodon lloydi] belongs to Cladyodon'
- 'Claosaurus belongs to Iguanodontidae'
- 'Clepsysaurus belongs to Anchisauridae'
- 'Coelosaurus belongs to Megalosauridae'
- 'Coelosaurus antiquus belongs to Coelosaurus'
- 'Coeluridae belongs to Theropoda'
- 'Coelurus belongs to Coeluridae'
- 'Coelurus fragilis belongs to Coelurus'
- 'Coelurus gracilis belongs to Coelurus'
- 'Coloborhynchus is a subjective synonym of Ornithocheirus'
- 'Colubridae belongs to Ophidia'
- 'Columbidae belongs to Columbiformes'
- 'Columbiformes was reranked as a suborder and belongs to Carinatae'
- 'Compsognathidae belongs to Theropoda'
- 'Compsognathus belongs to Compsognathidae'
- 'Compsognathus longipes belongs to Compsognathus'
- 'Craspedodon belongs to Iguanodontidae'
- 'Craterosaurus belongs to Megalosauridae'
- 'Creosaurus belongs to Megalosauridae'
- 'Creosaurus atrox belongs to Creosaurus'
- 'Cretornis is a subjective synonym of Ornithocheirus'
- 'Cricosaurus is a subjective synonym of Geosaurus'
- 'Crocodilia belongs to Reptilia'
- 'Crocodylidae is corrected as Crocodilidae and belongs to Brevirostres'
- 'Crotalinae was reranked as the family Crotalidae and belongs to Ophidia'
- 'Cryptodira belongs to Testudinata'
- 'Cryptodraco belongs to Camptosauridae'
- 'Cryptosaurus is replaced by Cryptodraco'
- 'Crypturi was reranked as a suborder and belongs to Carinatae'
- 'Cumnoria is a subjective synonym of Camptosaurus'
- 'Cycnorhamphus is a subjective synonym of Pterodactylus'
- 'Cynodontia belongs to Theriodontia'
- 'Danubiosaurus belongs to Ceratopsia'
- 'Dinodon is a subjective synonym of Aublysodon'
- 'Dermatemydidae belongs to Cryptodira'
- 'Dermochelyidae [misspelled as Dermochelydidae] belongs to Cryptodira'
- 'Dermodactylus belongs to Ornithocheiridae'
- 'Diadectidae belongs to Theriodontia'
- 'Diclonius is a subjective synonym of Hadrosaurus'
- 'Dididae belongs to Columbiformes'
- 'Didus belongs to Dididae'
- 'Dimodosaurus belongs to Zanclodontidae'
- 'Dimodosaurus poligniensis belongs to Dimodosaurus'
- 'Dimorphodon belongs to Rhamphorhynchidae'
- 'Dinodocus belongs to Sauropoda'
- 'Dinosauria belongs to Reptilia'
- 'Diopecephalus is a subjective synonym of Pterodactylus'
- 'Diplodocidae belongs to Sauropoda'
- 'Diplodocus belongs to Diplodocidae'
- 'Diplodocus longus belongs to Diplodocus'
- 'Diplotomodon belongs to Megalosauridae'
- 'Diracodon belongs to Stegosauridae'
- 'Diracodon laticeps belongs to Diracodon'
- 'Dolichorhamphus is a subjective synonym of Rhamphocephalus'
- 'Dolichosauridae belongs to Lacertilia'
- 'Doratodon belongs to Ceratopsia'
- 'Doratorhynchus belongs to Ornithocheiridae'
- 'Dorygnathus belongs to Rhamphorhynchidae'
- 'Dryptosaurus is a subjective synonym of Laelaps'
- 'Dysganus belongs to Hadrosauridae'
- 'Dystrophaeus belongs to Stegosauria'
- 'Echinodon belongs to Scelidosauridae'
- 'Echinodon becklesii [misspelled as Echinodon becclesi] belongs to Echinodon'
- 'Elapidae belongs to Ophidia'
- 'Elliptonodon is a subjective synonym of Mosasaurus'
- 'Elornis belongs to Phoenicopteri'
- 'Emydidae belongs to Cryptodira'
- 'Enaliornis belongs to Odontotormae'
- 'Enaliornis segdwicki is corrected as Enaliornis sedgwicki and belongs to Enaliornis'
- 'Endothiodontidae belongs to Theriodontia'
- 'Engyommasaurus is a subjective synonym of Mystriosaurus'
- 'Epanterias belongs to Atlantosauridae'
- 'Epicampodon belongs to Zanclodontidae'
- 'Erycinae was reranked as the family Erycidae and belongs to Ophidia'
- 'Eucamerotus is a subjective synonym of Ornithopsis'
- 'Eucercosaurus belongs to Scelidosauridae'
- 'Eupterornis belongs to Tubinares'
- 'Euskelesaurus [misspelled as Euscelosaurus] belongs to Stegosauria'
- 'Eusuchia belongs to Crocodilia'
- 'Galliformes was reranked as a suborder and belongs to Carinatae'
- 'Gastornis belongs to Gastornithidae'
- 'Gastornithidae belongs to Anseriformes'
- 'Gavialidae belongs to Longirostres'
- 'Gigantosaurus is a subjective synonym of Ornithopsis'
- 'Gigantosaurus megalonyx is a subjective synonym of Ornithopsis leedsi'
- 'Goniopholididae is corrected as Goniopholidae and belongs to Brevirostres'
- 'Goniopoda is a subjective synonym of Theropoda'
- 'Graculavus belongs to Phoenicopteri'
- 'Gresslyosaurus is a subjective synonym of Zanclodon'
- 'Griphosaurus is a subjective synonym of Archaeopteryx'
- 'Gruidae belongs to Gruiformes'
- 'Gruiformes was reranked as a suborder and belongs to Carinatae'
- 'Gypsornis belongs to Rallidae'
- 'Hadrosauridae belongs to Ornithopoda'
- 'Hadrosaurus belongs to Hadrosauridae'
- 'Hadrosaurus agilis is recombined as Claosaurus agilis'
- 'Hadrosaurus foulkii [misspelled as Hadrosaurus foulkei] belongs to Hadrosaurus'
- 'Hadrosaurus paucidens is recombined as Ceratops paucidens'
- 'Halilimnosaurus is a subjective synonym of Geosaurus'
- 'Halisaurus is a subjective synonym of Baptosaurus'
- 'Hallopidae belongs to Theropoda'
- 'Hallopus belongs to Hallopidae'
- 'Harpagornis belongs to Accipitres'
- 'Hesperornis belongs to Odontolcae'
- 'Hesperornis gracilis belongs to Hesperornis'
- 'Hesperornis regalis belongs to Hesperornis'
- 'Hoplosaurus belongs to Ceratopsia'
- 'Hylaeosaurus belongs to Scelidosauridae'
- 'Hylaeosaurus oweni belongs to Hylaeosaurus'
- 'Hypselosaurus belongs to Hadrosauridae'
- 'Hypsibema belongs to Stegosauridae'
- 'Hypsilophodon belongs to Camptosauridae'
- 'Hypsilophodon foxii [misspelled as Hypsilophodon foxi] belongs to Hypsilophodon'
- 'Hypsirophus [misspelled as Hypsirhophus] belongs to Megalosauridae'
- 'Ichthyornis belongs to Odontotormae'
- 'Ichthyornis celer is recombined as Apatornis celer'
- 'Ichthyornis dispar belongs to Ichthyornis'
- 'Ichthyosauria belongs to Reptilia'
- 'Iguanidae belongs to Lacertilia'
- 'Iguanodon belongs to Iguanodontidae'
- 'Iguanodon bernissartensis belongs to Iguanodon'
- 'Iguanodon dawsoni belongs to Iguanodon'
- 'Iguanodon fittoni belongs to Iguanodon'
- 'Iguanodon hollingtoniensis belongs to Iguanodon'
- 'Iguanodon mantelli belongs to Iguanodon'
- 'Iguanodon seeleyi is a subjective synonym of Iguanodon bernissartensis'
- 'Iguanodon suessii is recombined as Mochlodon suessi'
- 'Iguanodontidae belongs to Ornithopoda'
- 'Iguanosaurus is a subjective synonym of Iguanodon'
- 'Ischyrosaurus is a subjective synonym of Ornithopsis'
- 'Ischyrosaurus manseli is a subjective synonym of Ornithopsis leedsi'
- 'Labrosaurus belongs to Megalosauridae'
- 'Lacertidae belongs to Lacertilia'
- 'Lacertilia was reranked as a suborder and belongs to Lepidosauria'
- 'Laelaps belongs to Megalosauridae'
- 'Laelaps aquilunguis belongs to Laelaps'
- 'Laelaps macropus belongs to Laelaps'
- 'Laopteryx belongs to Saururae'
- 'Laornis belongs to Anseres'
- 'Laosaurus belongs to Camptosauridae'
- 'Laosaurus altus belongs to Laosaurus'
- 'Lepidosauria was reranked as a order and belongs to Reptilia'
- 'Lesticodus is a subjective synonym of Mosasaurus'
- 'Lestornis is a subjective synonym of Hesperornis'
- 'Lestornis crassipes is recombined as Hesperornis crassipes'
- 'Lestosaurus is a subjective synonym of Platecarpus'
- 'Lithornis belongs to Accipitres'
- 'Longirostres belongs to Eusuchia'
- 'Loricata is a subjective synonym of Crocodilia'
- 'Macrorhynchidae belongs to Longirostres'
- 'Macrorhynchus is a subjective synonym of Pholidosaurus'
- 'Macrosaurus is a subjective synonym of Liodon'
- 'Macroscelosaurus is a subjective synonym of Tanystropheus'
- 'Macrospondylus is a subjective synonym of Mystriosaurus'
- 'Macrotrachelus is a subjective synonym of Pterodactylus'
- 'Macrurosaurus belongs to Sauropoda'
- 'Massospondylus belongs to Zanclodontidae'
- 'Megadactylus is a subjective synonym of Anchisaurus'
- 'Megalosauri is corrected as Megalosauridae and belongs to Theropoda'
- 'Megalosaurus belongs to Megalosauridae'
- 'Megalosaurus bredai belongs to Megalosaurus'
- 'Megalosaurus bucklandii [misspelled as Megalosaurus bucklandi] belongs to Megalosaurus'
- 'Megalosaurus insignis belongs to Megalosaurus'
- 'Mesembriornis belongs to Gastornithidae'
- 'Mesosauridae belongs to Proganosauria'
- 'Mesosuchia is a subjective synonym of Eusuchia'
- 'Metameosuchia is a subjective synonym of Goniopholidae'
- 'Metriorhynchidae belongs to Longirostres'
- 'Mochlodon belongs to Iguanodontidae'
- 'Monoclonius is a subjective synonym of Triceratops'
- 'Monoclonius crassus belongs to Monoclonius'
- 'Morosauridae belongs to Sauropoda'
- 'Morosaurus belongs to Morosauridae'
- 'Morosaurus agilis belongs to Morosaurus'
- 'Morosaurus lentus belongs to Morosaurus'
- 'Morosaurus robustus belongs to Morosaurus'
- 'Mosasauridae belongs to Pythonomorpha'
- 'Nanosauridae belongs to Ornithopoda'
- 'Nanosaurus belongs to Nanosauridae'
- 'Nanosaurus agilis belongs to Nanosaurus'
- 'Nanosaurus victor is recombined as Hallopus victor'
- 'Nectoportheus is a subjective synonym of Liodon'
- 'Neosodon is a subjective synonym of Ornithopsis'
- 'Nodosaurus belongs to Ceratopsia'
- 'Nothosauridae belongs to Sauropterygia'
- 'Notornis belongs to Rallidae'
- 'Nuthetes belongs to Megalosauridae'
- 'Nyctodactylus belongs to Pteranodontidae'
- 'Nyctosaurus is replaced by Nyctodactylus'
- 'Odontolcae was reranked as a suborder and belongs to Ratitae'
- 'Odontopteryx belongs to Tubinares'
- 'Odontotormae was reranked as a suborder and belongs to Carinatae'
- 'Oligosaurus belongs to Ceratopsia'
- 'Omosaurus is a subjective synonym of Stegosaurus'
- 'Omosaurus armatus belongs to Omosaurus'
- 'Omosaurus durobrivensis belongs to Omosaurus'
- 'Ophidia was reranked as a suborder and belongs to Lepidosauria'
- 'Oplosaurus is a subjective synonym of Ornithopsis'
- 'Ornithichnites giganteus is recombined as Brontozoum giganteum'
- 'Ornithichnites ingens is recombined as Tridentipes ingens'
- 'Ornithocephalus banthensis is recombined as Dorygnathus banthensis'
- 'Ornithocephalus brevirostris is recombined as Ptenodracon brevirostris'
- 'Ornithocephalus giganteus belongs to Ornithocephalus' according to Oken 1819
- 'Ornithocephalus giganteus is recombined as Pterodactylus giganteus'
- 'Ornithocephalus kochi is recombined as Pterodactylus kochi'
- 'Ornithocephalus muensteri is recombined as Rhamphorhynchus muensteri'
- 'Ornithocephalus redenbacheri belongs to Ornithocephalus' according to Wagner 1851
- 'Pterodactylus redtenbacheri is a subjective synonym of Pterodactylus micronyx'
- 'Ornithocephalus rhamphastinus is recombined as Pterodactylus rhamphastinus'
- 'Ornithocheiridae belongs to Pterosauria'
- 'Ornithocheirus belongs to Ornithocheiridae'
- 'Ornithodesmus belongs to Ornithocheiridae'
- 'Ornithoidichnites redfieldii is recombined as Argozoum redfieldi'
- 'Ornithomimidae belongs to Ornithopoda'
- 'Ornithomimus belongs to Ornithomimidae'
- 'Ornithomimus grandis belongs to Ornithomimus'
- 'Ornithomimus tenuis belongs to Ornithomimus'
- 'Ornithomimus velox belongs to Ornithomimus'
- 'Ornithopoda was reranked as a superfamily and belongs to Orthopoda'
- 'Ornithopsis belongs to Morosauridae'
- 'Ornithopsis hulkei belongs to Ornithopsis'
- 'Ornithopsis leedsi belongs to Ornithopsis'
- 'Ornithosauria is a subjective synonym of Pterosauria'
- 'Ornithoscelidae is a subjective synonym of Dinosauria'
- 'Ornithostoma is a subjective synonym of Ornithocheirus'
- 'Ornithotarsus belongs to Hadrosauridae'
- 'Ornithotarsus immanis belongs to Ornithotarsus'
- 'Orosaurus belongs to Stegosauria'
- 'Orthomerus belongs to Hadrosauridae'
- 'Orthopoda belongs to Dinosauria'
- 'Pachypodes is a subjective synonym of Dinosauria'
- 'Pachyrhamphus is a subjective synonym of Scaphognathus'
- 'Palaelodus belongs to Phoenicopteri'
- 'Palaeocircus belongs to Accipitres'
- 'Palaeogrus belongs to Gruidae'
- 'Palaeohierax belongs to Accipitres'
- 'Palaeornis is a subjective synonym of Ornithocheirus'
- 'Palaeortyx belongs to Galliformes'
- 'Palaeosaurus belongs to Zanclodontidae'
- 'Palaeosaurus cylindricum is corrected as Palaeosaurus cylindrodon and belongs to Palaeosaurus'
- 'Palaeosaurus platyodon belongs to Palaeosaurus'
- 'Palaeoscincus belongs to Stegosauridae'
- 'Palaeotringa belongs to Scolopacidae'
- 'Parasuchia belongs to Crocodilia'
- 'Pareiasauria [misspelled as Pareiosauria] belongs to Theromorpha'
- 'Pariotichidae belongs to Theriodontia'
- 'Pelagornis belongs to Sulidae'
- 'Pelagornis barretti is recombined as Enaliornis barretti'
- 'Pelecanidae belongs to Steganopodes'
- 'Pelorosaurus belongs to Morosauridae'
- 'Pelycosauria is a subjective synonym of Theriodontia'
- 'Pezophaps belongs to Dididae'
- 'Phalacrocoracidae belongs to Steganopodes'
- 'Phoenicopteri was reranked as a unranked clade and belongs to Ciconiiformes'
- 'Phytosaurus is a subjective synonym of Belodon'
- 'Placodontia was reranked as a suborder and belongs to Theromorpha'
- 'Plateosaurus belongs to Zanclodontidae'
- 'Plateosaurus engelhardti belongs to Plateosaurus'
- 'Plerodon is a subjective synonym of Dacosaurus'
- 'Plesiosauridae belongs to Sauropterygia'
- 'Pleurocoelus belongs to Morosauridae'
- 'Pleurocoelus altus belongs to Pleurocoelus'
- 'Pleurocoelus nanus belongs to Pleurocoelus'
- 'Pleurocoelus valdensis belongs to Pleurocoelus'
- 'Pleurodira belongs to Testudinata'
- 'Pliogonodon is a subjective synonym of Mosasaurus'
- 'Plioplatecarpidae belongs to Pythonomorpha'
- 'Pneumatoarthrus is a subjective synonym of Ornithotarsus'
- 'Poikilopleuron is a subjective synonym of Megalosaurus'
- 'Poicilopleuron valens is recombined as Megalosaurus valens'
- 'Poikilopleuron pusillus is recombined as Aristosuchus pusillus'
- 'Polacanthus belongs to Scelidosauridae'
- 'Polygonodon is a subjective synonym of Mosasaurus'
- 'Polyonax is a subjective synonym of Ceratops'
- 'Priconodon belongs to Stegosauridae'
- 'Priodontognathus belongs to Scelidosauridae'
- 'Proganosauria was reranked as a suborder and belongs to Rhynchocephalia'
- 'Propleuridae is a subjective synonym of Chelonemydidae'
- 'Protorosauridae belongs to Proganosauria'
- 'Psammophidae belongs to Ophidia'
- 'Ptenodracon belongs to Pterodactylidae'
- 'Ptenornis belongs to Anseres'
- 'Pteranodon belongs to Pteranodontidae'
- 'Pteranodon comptus belongs to Pteranodon'
- 'Pteranodon longiceps belongs to Pteranodon'
- 'Pteranodontidae belongs to Pterosauria'
- 'Pterocles belongs to Pteroclidae'
- 'Pteroclidae belongs to Columbiformes'
- 'Pterodactyli is a subjective synonym of Pterosauria'
- 'Pterodactylidae belongs to Pterosauria'
- 'Pterodactylus belongs to Pterodactylidae'
- 'Pterodactylus bucklandi is recombined as Rhamphocephalus bucklandi'
- 'Pterodactylus cirinensis belongs to Pterodactylus'
- 'Pterodactylus compressirostris is recombined as Ornithocheirus compressirostris'
- 'Pterodactylus crassipes belongs to Pterodactylus'
- 'Pterodactylus crassirostris is recombined as Scaphognathus crassirostris'
- 'Pterodactylus cuvieri is recombined as Ornithocheirus cuvieri'
- 'Pterodactylus daviesii [misspelled as Ornithocheirus daviesi] belongs to Ornithocheirus'
- 'Pterodactylus dubius belongs to Pterodactylus' according to Münster 1832
- 'Pterodactylus dubius belongs to Pterodactylus'
- 'Pterodactylus elegans belongs to Pterodactylus'
- 'Pterodactylus gemmingi is recombined as Rhamphorhynchus gemmingi'
- 'Pterodactylus grandipelvis belongs to Pterodactylus'
- 'Pterodactylus hirundinaceus belongs to Pterodactylus' according to Wagner 1857
- 'Pterodactylus hirundinaceus is recombined as Rhamphorhynchus hirundinaceus'
- 'Pterodactylus longicaudus is recombined as Rhamphorhynchus longicaudus'
- 'Pterodactylus longicollum belongs to Pterodactylus'
- 'Pterodactylus longipes belongs to Pterodactylus'
- 'Pterodactylus longirostris belongs to Pterodactylus'
- 'Pterodactylus macronyx is recombined as Dimorphodon macronyx'
- 'Pterodactylus manselii is corrected as Pterodactylus manseli and belongs to Pterodactylus'
- 'Pterodactylus marderi is a subjective synonym of Dimorphodon macronyx'
- 'Pterodactylus medius belongs to Pterodactylus'
- 'Pterodactylus meyeri is a subjective synonym of Ptenodracon brevirostris'
- 'Pterodactylus micronyx belongs to Pterodactylus'
- 'Pterodactylus montanus is recombined as Dermodactylus montanus'
- 'Pterodactylus pleydellii [misspelled as Pterodactylus pleydelli] belongs to Pterodactylus'
- 'Pterodactylus primus belongs to Pterodactylus' according to Deffner and Fraas 1859
- 'Pterodactylus primus belongs to Pterodactylus'
- 'Pterodactylus propinquus belongs to Pterodactylus' according to Wagner 1857
- 'Pterodactylus propinquus belongs to Pterodactylus'
- 'Pterodactylus pulchellus belongs to Pterodactylus' according to H. v. Meyer 1859
- 'Pterodactylus pulchellus is a subjective synonym of Pterodactylus elegans'
- 'Pterodactylus scolopaciceps belongs to Pterodactylus' according to H. v. Meyer 1850
- 'Pterodactylus scolopaciceps is a subjective synonym of Pterodactylus kochi'
- 'Pterodactylus secundarius belongs to Pterodactylus' according to H. v. Meyer 1843
- 'Pterodactylus secundarius belongs to Pterodactylus'
- 'Pterodactylus spectabilis belongs to Pterodactylus' according to H. v. Meyer 1861
- 'Pterodactylus spectabilis belongs to Pterodactylus'
- 'Pterodactylus suevicus belongs to Pterodactylus'
- 'Pterodactylus validus is recombined as Doratorhynchus validus'
- 'Pterodactylus vulturinus belongs to Pterodactylus'
- 'Pterosauria belongs to Reptilia'
- 'Pterotherium is a subjective synonym of Pterodactylus'
- 'Pterycollosaurus is a subjective synonym of Mosasaurus'
- 'Pythoninae was reranked as the family Pythonidae and belongs to Ophidia'
- 'Pythonomorpha was reranked as a suborder and belongs to Lepidosauria'
- 'Rabdodon is corrected as Rhabdodon and belongs to Iguanodontidae'
- 'Rachitrema belongs to Zanclodontidae'
- 'Rallidae belongs to Gruiformes'
- 'Ratitae was reranked as a order and belongs to Aves'
- 'Regnosaurus belongs to Scelidosauridae'
- 'Remiornis belongs to Anseres'
- 'Rhamphocephalus belongs to Rhamphorhynchidae'
- 'Rhamphorhynchidae belongs to Pterosauria'
- 'Rhamphorhynchus belongs to Rhamphorhynchidae'
- 'Rhamphorhynchus curtimanus belongs to Rhamphorhynchus' according to Wagner 1857
- 'Rhamphorhynchus curtimanus belongs to Rhamphorhynchus'
- 'Rhamphorhynchus longimanus belongs to Rhamphorhynchus' according to Wagner 1858
- 'Rhamphorhynchus longimanus belongs to Rhamphorhynchus'
- 'Rhamphorhynchus phyllurus belongs to Rhamphorhynchus' according to Marsh 1882
- 'Rhamphorhynchus phyllurus is a subjective synonym of Rhamphorhynchus muensteri'
- 'Rhamphorhynchus suevicus belongs to Rhamphorhynchus' according to Fraas 1855
- 'Rhamphorhynchus suevicus is a subjective synonym of Rhamphorhynchus longimanus'
- 'Rhamphosaurus is a subjective synonym of Liodon'
- 'Rhinosaurus is a subjective synonym of Liodon'
- 'Rhynchocephalia belongs to Reptilia'
- 'Rhynchosauridae belongs to Rhynchocephalia'
- 'Rhynchosuchidae belongs to Longirostres'
- 'Sauriurae was reranked as the order Saururae and belongs to Aves'
- 'Sauropoda was reranked as a suborder and belongs to Dinosauria'
- 'Sauropterygia was reranked as a order and belongs to Reptilia'
- 'Scaniornis belongs to Phoenicopteri'
- 'Scaphognathus belongs to Rhamphorhynchidae'
- 'Scaphognathus purdoni belongs to Scaphognathus'
- 'Scelidosauridae belongs to Stegosauria'
- 'Scelidosaurus belongs to Scelidosauridae'
- 'Scelidosaurus harrisonii [misspelled as Scelidosaurus harrisoni] belongs to Scelidosaurus'
- 'Scincidae belongs to Lacertilia'
- 'Smilodon is a subjective synonym of Zanclodon'
- 'Smilodon laevis is recombined as Zanclodon laevis'
- 'Sphenodontidae belongs to Rhynchocephalia'
- 'Sphenospondylus belongs to Hadrosauridae'
- 'Steganopodes was reranked as a unranked clade and belongs to Ciconiiformes'
- 'Stegosauria was reranked as a superfamily and belongs to Orthopoda'
- 'Stegosauridae belongs to Stegosauria'
- 'Stegosaurus belongs to Stegosauridae'
- 'Stegosaurus duplex belongs to Stegosaurus'
- 'Stegosaurus stenops belongs to Stegosaurus'
- 'Stegosaurus ungulatus belongs to Stegosaurus'
- 'Stenopelix belongs to Scelidosauridae'
- 'Stenopelix valdensis belongs to Stenopelix'
- 'Streptospondylus belongs to Megalosauridae'
- 'Streptospondylus cuvieri belongs to Streptospondylus'
- 'Struthiosaurus belongs to Ceratopsia'
- 'Suchosaurus belongs to Macrorhynchidae'
- 'Sulidae belongs to Steganopodes'
- 'Symphypoda is a subjective synonym of Theropoda'
- 'Symphyrophus belongs to Megalosauridae'
- 'Syngonosaurus belongs to Scelidosauridae'
- 'Tanystropheus belongs to Coeluridae'
- 'Taoperdix belongs to Galliformes'
- 'Teleosauridae belongs to Longirostres'
- 'Telmatornis belongs to Rallidae'
- 'Teratosaurus is a subjective synonym of Zanclodon'
- 'Testudinata belongs to Reptilia'
- 'Thalassemydidae belongs to Cryptodira'
- 'Thecodontosaurus belongs to Zanclodontidae'
- 'Thecospondylus belongs to Coeluridae'
- 'Theriodontia was reranked as a suborder and belongs to Theromorpha'
- 'Theromorpha belongs to Reptilia'
- 'Theropoda was reranked as a suborder and belongs to Dinosauria'
- 'Therosaurus is a subjective synonym of Iguanodon'
- 'Thespesius is a subjective synonym of Hadrosaurus'
- 'Thinosaurus belongs to Varanidae'
- 'Tichosteus belongs to Coeluridae'
- 'Titanosaurus is a subjective synonym of Atlantosaurus'
- 'Titanosaurus belongs to Sauropoda'
- 'Titanosaurus montanus is recombined as Atlantosaurus montanus'
- 'Tomodon is replaced by Diplotomodon'
- 'Tortrices is corrected as Tortricidae and belongs to Ophidia'
- 'Trachodon is a subjective synonym of Hadrosaurus'
- 'Trachodon cantabrigiensis is recombined as Hadrosaurus cantabrigiensis'
- 'Trachodon mirabilis is recombined as Hadrosaurus mirabilis'
- 'Tribelesodon belongs to Pterosauria'
- 'Triceratops belongs to Ceratopsia'
- 'Triceratops flabellatus belongs to Triceratops'
- 'Triceratops prorsus belongs to Triceratops'
- 'Triceratops serratus belongs to Triceratops'
- 'Triceratops sulcatus belongs to Triceratops'
- 'Trionychia belongs to Testudinata'
- 'Trionychoidea is a subjective synonym of Trionychia'
- 'Troodon belongs to Megalosauridae'
- 'Tubinares was reranked as a suborder and belongs to Carinatae'
- 'Tylosaurus is a subjective synonym of Liodon'
- 'Tylosteus belongs to Lacertilia'
- 'Typhlopidae belongs to Ophidia'
- 'Varanidae belongs to Lacertilia'
- 'Vectisaurus belongs to Scelidosauridae'
- 'Viperidae belongs to Ophidia'
- 'Zanclodon belongs to Zanclodontidae'
- 'Zanclodontidae belongs to Theropoda'