Opinions from O. C. Marsh 1884
- 'Acanthopholis belongs to Scelidosauridae'
- 'Agathaumas belongs to Hadrosauridae'
- 'Allosaurus belongs to Megalosauridae'
- 'Amphisauridae belongs to Theropoda'
- 'Amphisaurus belongs to Amphisauridae'
- 'Apatosaurus belongs to Atlantosauridae'
- 'Atlantosauridae belongs to Sauropoda'
- 'Atlantosaurus belongs to Atlantosauridae'
- 'Bathygnathus belongs to Amphisauridae'
- 'Bothriospondylus belongs to Sauropoda'
- 'Brontosaurus belongs to Atlantosauridae'
- 'Camptonotidae belongs to Ornithopoda'
- 'Camptonotus belongs to Camptonotidae'
- 'Cerastosauria belongs to Theropoda'
- 'Ceratosauridae belongs to Cerastosauria'
- 'Ceratosaurus belongs to Ceratosauridae'
- 'Cetiosaurus [misspelled as Ceteosaurus] belongs to Sauropoda'
- 'Cinodon is corrected as Cionodon and belongs to Hadrosauridae'
- 'Clepsysaurus belongs to Amphisauridae'
- 'Coelosaurus belongs to Megalosauridae'
- 'Coeluria belongs to Theropoda'
- 'Coeluridae belongs to Coeluria'
- 'Coelurus belongs to Coeluridae'
- 'Compsognatha belongs to Theropoda'
- 'Compsognathidae belongs to Compsognatha'
- 'Compsognathus belongs to Compsognathidae'
- 'Crataeomus belongs to Scelidosauridae'
- 'Diclonius is a subjective synonym of Hadrosaurus'
- 'Dinosauria was reranked as a subclass and belongs to Reptilia'
- 'Diplodocidae belongs to Sauropoda'
- 'Diplodocus belongs to Diplodocidae'
- 'Diracodon belongs to Stegosauridae'
- 'Dryptosaurus belongs to Megalosauridae'
- 'Eucamerotus belongs to Sauropoda'
- 'Hadrosauridae belongs to Ornithopoda'
- 'Hadrosaurus belongs to Hadrosauridae'
- 'Hylaeosaurus belongs to Scelidosauridae'
- 'Hypsilophodon belongs to Camptonotidae'
- 'Hypsirhophus is a subjective synonym of Stegosaurus'
- 'Iguanodon belongs to Iguanodontidae'
- 'Iguanodontidae belongs to Ornithopoda'
- 'Labrosauridae belongs to Theropoda'
- 'Labrosaurus belongs to Labrosauridae'
- 'Laelops is a subjective synonym of Dryptosaurus'
- 'Laosaurus belongs to Camptonotidae'
- 'Megadactylus is a subjective synonym of Amphisaurus'
- 'Megalosauri is corrected as Megalosauridae and belongs to Theropoda'
- 'Megalosaurus belongs to Megalosauridae'
- 'Morosauridae belongs to Sauropoda'
- 'Morosaurus belongs to Morosauridae'
- 'Nanosaurus belongs to Camptonotidae'
- 'Omosaurus belongs to Stegosauridae'
- 'Ornithopoda belongs to Dinosauria'
- 'Ornithopsis belongs to Sauropoda'
- 'Palaeosaurus belongs to Amphisauridae'
- 'Pelorosaurus belongs to Sauropoda'
- 'Poikilopleuron is a subjective synonym of Megalosaurus'
- 'Polacanthus belongs to Scelidosauridae'
- 'Sauropoda belongs to Dinosauria'
- 'Scelidosauridae belongs to Stegosauria'
- 'Scelidosaurus belongs to Scelidosauridae'
- 'Stegosauria belongs to Dinosauria'
- 'Stegosauridae belongs to Stegosauria'
- 'Stegosaurus belongs to Stegosauridae'
- 'Teratosaurus belongs to Zanclodontidae'
- 'Thecodontosaurus belongs to Amphisauridae'
- 'Theropoda belongs to Dinosauria'
- 'Vectisaurus belongs to Iguanodontidae'
- 'Zanclodon belongs to Zanclodontidae'
- 'Zanclodontidae belongs to Theropoda'