Opinions from R. Owen 1861
- 'Aeolodon belongs to Amphicoelia'
- 'Amphicoelia belongs to Crocodilia'
- 'Anomodontia belongs to Reptilia'
- 'Archegosaurus belongs to Ganocephala'
- 'Baphetes belongs to Labyrinthodontia'
- 'Baphetes planiceps belongs to Baphetes' according to Owen 1854
- 'Baphetes planiceps belongs to Baphetes'
- 'Bathygnathus belongs to Thecodontia'
- 'Bathygnathus borealis belongs to Bathygnathus'
- 'Batrachia was reranked as a order and belongs to Reptilia'
- 'Batrachopus belongs to Batrachia'
- 'Belodon belongs to Thecodontia'
- 'Belodon plieningeri belongs to Belodon'
- 'Brontozoum belongs to Aves'
- 'Capitosaurus arenaceus is recombined as Labyrinthodon arenaceus'
- 'Cetiosaurus belongs to Opisthocoelia'
- 'Cetiosaurus brevis belongs to Cetiosaurus'
- 'Cetiosaurus longus belongs to Cetiosaurus'
- 'Chelonii is corrected as Chelonia and belongs to Reptilia'
- 'Cladeiodon [misspelled as Cladyodon] belongs to Thecodontia'
- 'Cladeiodon lloydii [misspelled as Cladyodon lloydii] belongs to Cladyodon'
- 'Conchiosaurus belongs to Sauropterygia'
- 'Conchiosaurus clavatus belongs to Conchiosaurus' according to Meyer 1833
- 'Conchiosaurus clavatus belongs to Conchiosaurus'
- 'Coniasaurus [misspelled as Coniosaurus] belongs to Lacertilia'
- 'Coniasaurus crassidens [misspelled as Coniosaurus crassidens] belongs to Coniosaurus'
- 'Crocodilia belongs to Reptilia'
- 'Crocodilus cultridens is recombined as Suchosaurus cultridens'
- 'Cryptodontia was reranked as a family and belongs to Anomodontia'
- 'Cynochampsa belongs to Cynodontia'
- 'Cynochampsa laniarius belongs to Cynochampsa'
- 'Cynodontia belongs to Anomodontia'
- 'Dakosaurus belongs to Amphicoelia'
- 'Dendrerpeton belongs to Ganocephala'
- 'Dicynodon (Ptychognathus) was reranked as Ptychognathus and belongs to Dicynodontia'
- 'Dicynodontia was reranked as a family and belongs to Anomodontia'
- 'Dimorphodon belongs to Pterosauria'
- 'Dinosauria belongs to Reptilia'
- 'Dolichosaurus belongs to Lacertilia'
- 'Dolichosaurus longicollis belongs to Dolichosaurus'
- 'Echinodon belongs to Lacertilia'
- 'Enaliosauri belongs to Reptilia'
- 'Galesaurus belongs to Cynodontia'
- 'Galesaurus planiceps belongs to Galesaurus'
- 'Ganocephala belongs to Reptilia'
- 'Goniopholis belongs to Amphicoelia'
- 'Goniopholis crassidens belongs to Goniopholis'
- 'Hylaeosaurus belongs to Dinosauria'
- 'Ichthyopterygia belongs to Enaliosauri'
- 'Ichthyosaurus belongs to Ichthyopterygia'
- 'Ichthyosaurus communis belongs to Ichthyosaurus' according to Conybeare 1821
- 'Ichthyosaurus communis belongs to Ichthyosaurus'
- 'Ichthyosaurus tenuirostris belongs to Ichthyosaurus'
- 'Iguanodon belongs to Dinosauria'
- 'Labyrinthodon belongs to Labyrinthodontia'
- 'Labyrinthodon bucklandi belongs to Labyrinthodon' according to Lloyd 1850
- 'Labyrinthodon bucklandi belongs to Labyrinthodon'
- 'Labyrinthodon jaegeri [misspelled as Labyrinthodon jagaeri] belongs to Labyrinthodon'
- 'Labyrinthodon jaegeri belongs to Labyrinthodon' according to Owen 1841
- 'Labyrinthodon leptognathus belongs to Labyrinthodon' according to Owen 1841
- 'Labyrinthodon leptognathus belongs to Labyrinthodon'
- 'Labyrinthodon pachygnathus belongs to Labyrinthodon' according to Owen 1841
- 'Labyrinthodon pachygnathus belongs to Labyrinthodon'
- 'Labyrinthodon scutulatus belongs to Labyrinthodon' according to Owen 1841
- 'Labyrinthodon scutulatus belongs to Labyrinthodon'
- 'Labyrinthodon ventricosus belongs to Labyrinthodon' according to Owen 1841
- 'Labyrinthodon ventricosus belongs to Labyrinthodon'
- 'Labyrinthodontia belongs to Reptilia'
- 'Lacertilia belongs to Reptilia'
- 'Leiodon belongs to Lacertilia'
- 'Leptopleuron belongs to Thecodontia'
- 'Leptopleuron lacertinum belongs to Leptopleuron'
- 'Macellodus [misspelled as Macellodon] belongs to Lacertilia'
- 'Macrospondylus belongs to Amphicoelia'
- 'Massospondylus belongs to Amphicoelia'
- 'Mastodonsaurus is a subjective synonym of Labyrinthodon'
- 'Megalosaurus belongs to Dinosauria'
- 'Megalosaurus bucklandii [misspelled as Megalosaurus bucklandi] belongs to Megalosaurus'
- 'Metopias diagnosticus belongs to Metopias' according to H. v. Meyer 1842
- 'Metopias diagnosticus is recombined as Labyrinthodon diagnosticus'
- 'Mosasaurus belongs to Lacertilia'
- 'Mystriosaurus belongs to Amphicoelia'
- 'Nothosaurus belongs to Sauropterygia'
- 'Nothosaurus mirabilis belongs to Nothosaurus' according to Münster 1834
- 'Nothosaurus mirabilis belongs to Nothosaurus'
- 'Nothosaurus schimperi belongs to Nothosaurus' according to Meyer 1834
- 'Nothosaurus schimperi belongs to Nothosaurus'
- 'Nuthetes belongs to Lacertilia'
- 'Nuthetes destructor belongs to Nuthetes'
- 'Odontosaurus belongs to Labyrinthodontia'
- 'Odontosaurus voltzii belongs to Odontosaurus' according to Meyer 1835
- 'Odontosaurus voltzii belongs to Odontosaurus'
- 'Ophidia belongs to Reptilia'
- 'Opisthocoelia belongs to Crocodilia'
- 'Ornithichnites belongs to Aves'
- 'Ornithichnites giganteus belongs to Ornithichnites'
- 'Ornithocephalus banthensis belongs to Ornithocephalus' according to Theodori 1831
- 'Ornithocephalus banthensis is recombined as Dimorphodon banthensis'
- 'Ornithocephalus brevirostris belongs to Ornithocephalus' according to Soemmering 1817
- 'Ornithocephalus brevirostris is recombined as Pterodactylus brevirostris'
- 'Ornithocephalus kochi belongs to Ornithocephalus' according to Wagner 1837
- 'Ornithocephalus kochi is recombined as Pterodactylus kochii'
- 'Ornithocephalus muensteri belongs to Ornithocephalus' according to Goldfuss 1831
- 'Ornithocephalus muensteri is recombined as Rhamphorhynchus muensteri'
- 'Otozoum belongs to Batrachia'
- 'Oudenodon belongs to Cryptodontia'
- 'Oudenodon bainii belongs to Oudenodon'
- 'Oudenodon greyii belongs to Oudenodon'
- 'Oudenodon prognathus belongs to Oudenodon' according to Owen 1860
- 'Oudenodon prognathus belongs to Oudenodon'
- 'Palaeosaurus belongs to Thecodontia'
- 'Palaeosaurus cylindricum is corrected as Palaeosaurus cylindrodon and belongs to Palaeosaurus'
- 'Palaeosaurus platyodon belongs to Palaeosaurus'
- 'Pelagosaurus belongs to Amphicoelia'
- 'Pistosaurus belongs to Sauropterygia'
- 'Pistosaurus longaevus belongs to Pistosaurus'
- 'Placodus belongs to Sauropterygia'
- 'Placodus andriani belongs to Placodus'
- 'Placodus gigas belongs to Placodus'
- 'Placodus laticeps belongs to Placodus'
- 'Placodus rostratus belongs to Placodus'
- 'Plesiosaurus belongs to Sauropterygia'
- 'Plesiosaurus (Pleiosaurus) was reranked as Pliosaurus and belongs to Sauropterygia'
- 'Plesiosaurus hawkinsii belongs to Plesiosaurus'
- 'Plesiosaurus pachyomus belongs to Plesiosaurus' according to Owen 1853
- 'Plesiosaurus pachyomus belongs to Plesiosaurus'
- 'Poekilopleuron [misspelled as Poecilopleuron] belongs to Amphicoelia'
- 'Polyptychodon belongs to Sauropterygia'
- 'Procoelia belongs to Crocodilia'
- 'Protorosaurus belongs to Thecodontia'
- 'Protorosaurus speneri belongs to Protorosaurus'
- 'Pterodactylus belongs to Pterosauria'
- 'Pterodactylus bucklandi belongs to Pterodactylus' according to Meyer 1832
- 'Pterodactylus bucklandi belongs to Pterodactylus'
- 'Pterodactylus compressirostris belongs to Pterodactylus' according to Owen 1851
- 'Pterodactylus compressirostris belongs to Pterodactylus'
- 'Pterodactylus crassirostris belongs to Pterodactylus' according to Goldfuss 1831
- 'Pterodactylus crassirostris belongs to Pterodactylus'
- 'Pterodactylus cuvieri belongs to Pterodactylus' according to Bowerbank 1851
- 'Pterodactylus cuvieri belongs to Pterodactylus'
- 'Pterodactylus fittoni belongs to Pterodactylus'
- 'Pterodactylus gemmingi belongs to Pterodactylus' according to Meyer 1846
- 'Pterodactylus gemmingi is recombined as Rhamphorhynchus gemmingi'
- 'Pterodactylus grandis belongs to Pterodactylus' according to Cuvier 1824
- 'Pterodactylus grandis belongs to Pterodactylus'
- 'Pterodactylus longicaudus is recombined as Rhamphorhynchus longicaudus'
- 'Pterodactylus longirostris belongs to Pterodactylus' according to Cuvier 1819
- 'Pterodactylus longirostris belongs to Pterodactylus'
- 'Pterodactylus macronyx is recombined as Dimorphodon macronyx'
- 'Pterodactylus medius belongs to Pterodactylus' according to Münster 1831
- 'Pterodactylus medius belongs to Pterodactylus'
- 'Pterodactylus meyeri belongs to Pterodactylus' according to Münster 1842
- 'Pterodactylus meyeri belongs to Pterodactylus'
- 'Pterodactylus sedgwickii belongs to Pterodactylus'
- 'Pterodactylus simus belongs to Pterodactylus' according to Owen 1861
- 'Pterosauria belongs to Reptilia'
- 'Pupa vetusta is recombined as Dendropupa vetusta'
- 'Raniceps belongs to Ganocephala'
- 'Raphiosaurus belongs to Lacertilia'
- 'Rhamphorhynchus belongs to Pterosauria'
- 'Rhynchosaurus belongs to Cryptodontia'
- 'Rhynchosaurus articeps belongs to Rhynchosaurus'
- 'Saurillus belongs to Lacertilia'
- 'Saurillus obtusus belongs to Saurillus'
- 'Sauropterygia belongs to Enaliosauri'
- 'Sauropus belongs to Batrachia'
- 'Scelidosaurus belongs to Dinosauria'
- 'Simosaurus belongs to Sauropterygia'
- 'Simosaurus gaillardoti belongs to Simosaurus' according to Meyer 1842
- 'Simosaurus gaillardoti belongs to Simosaurus'
- 'Sphenosaurus belongs to Sauropterygia'
- 'Spondylosaurus belongs to Sauropterygia'
- 'Stagonolepis belongs to Thecodontia'
- 'Steneosaurus belongs to Amphicoelia'
- 'Streptospondylus belongs to Opisthocoelia'
- 'Streptospondylus cuvieri belongs to Streptospondylus'
- 'Suchosaurus belongs to Amphicoelia'
- 'Tanystropheus [misspelled as Tanystrophaeus] belongs to Sauropterygia'
- 'Tanystropheus conspicuus belongs to Tanystropheus' according to Meyer 1855
- 'Tanystropheus conspicuus [misspelled as Tanystrophaeus conspicuus] belongs to Tanystrophaeus'
- 'Teleosaurus belongs to Amphicoelia'
- 'Thecodontia belongs to Reptilia'
- 'Thecodontosaurus belongs to Thecodontia'
- 'Thecodontosaurus antiquus belongs to Thecodontosaurus'
- 'Trematosaurus is a subjective synonym of Labyrinthodon'
- 'Trematosaurus braunii belongs to Trematosaurus' according to Burmeister 1851
- 'Trematosaurus braunii is recombined as Labyrinthodon braunii'
- 'Xestorrhytias belongs to Labyrinthodontia'
- 'Xestorrhytias perrini belongs to Xestorrhytias' according to Meyer 1855
- 'Xestorrhytias perrini belongs to Xestorrhytias'