Opinions from R. S. Lull 1924
- 'Acanthopholididae is corrected as Acanthopholidae and belongs to Stegosauria'
- 'Alamosaurus belongs to Sauropoda'
- 'Allosaurus belongs to Megalosauridae'
- 'Allosaurus fragilis belongs to Allosaurus'
- 'Ammosaurus belongs to Anchisauridae'
- 'Anchisauridae belongs to Theropoda'
- 'Anchisaurus belongs to Anchisauridae'
- 'Ankylosauridae is a subjective synonym of Nodosauridae'
- 'Ankylosaurus belongs to Nodosauridae'
- 'Anomoepus belongs to Ornithopoda'
- 'Antrodemus is a subjective synonym of Allosaurus'
- 'Apatosaurus belongs to Atlantosauridae'
- 'Atlantosauridae belongs to Sauropoda'
- 'Barosaurus belongs to Cetiosauridae'
- 'Barosaurus lentus belongs to Barosaurus'
- 'Brachiosaurus belongs to Cetiosauridae'
- 'Brachyceratops belongs to Ceratopsia'
- 'Brontosaurus belongs to Atlantosauridae'
- 'Brontozoum approximatum is recombined as Eubrontes approximatus'
- 'Camarasauridae is a subjective synonym of Morosauridae'
- 'Camarasaurus belongs to Morosauridae'
- 'Camptonotus amplus is recombined as Camptosaurus amplus'
- 'Camptonotus dispar is recombined as Camptosaurus dispar'
- 'Camptosauridae belongs to Ornithopoda'
- 'Camptosaurus belongs to Camptosauridae'
- 'Camptosaurus browni belongs to Camptosaurus'
- 'Camptosaurus nanus belongs to Camptosaurus'
- 'Centrosaurus is a subjective synonym of Monoclonius'
- 'Ceratops belongs to Ceratopsia'
- 'Ceratopsia belongs to Ornithischia'
- 'Ceratosaurus belongs to Megalosaurinidae'
- 'Cetiosauridae belongs to Sauropoda'
- 'Cetiosaurus belongs to Cetiosauridae'
- 'Claosaurus belongs to Trachodontidae'
- 'Claosaurus annectens is recombined as Trachodon annectens'
- 'Coelosaurus belongs to Ornithomimidae'
- 'Coeluridae belongs to Coelurosauria'
- 'Coelurosauria belongs to Saurischia'
- 'Coelurus belongs to Coeluridae'
- 'Compsognathidae belongs to Coelurosauria'
- 'Compsognathus belongs to Compsognathidae'
- 'Corythosaurus belongs to Trachodontidae'
- 'Craspedodon belongs to Iguanodontidae'
- 'Deinodon belongs to Deinodontidae'
- 'Diceratops belongs to Ceratopsia'
- 'Dicraeosaurus [misspelled as Dikraeosaurus] belongs to Morosauridae'
- 'Dinodontidae is corrected as Deinodontidae and belongs to Theropoda'
- 'Diplodocidae belongs to Sauropoda'
- 'Diplodocus belongs to Diplodocidae'
- 'Dryosaurus belongs to Camptosauridae'
- 'Dryptosaurus belongs to Deinodontidae'
- 'Dystrophaeus [misspelled as Distrophaeus] belongs to Cetiosauridae'
- 'Geranosaurus belongs to Hypsilophodontidae'
- 'Gigadipus caudatus is recombined as Gigandipus caudatus'
- 'Gigantosaurus belongs to Morosauridae'
- 'Gresslyosaurus belongs to Plateosauridae'
- 'Gresslyosaurus plieningeri belongs to Gresslyosaurus'
- 'Gryposaurus belongs to Trachodontidae'
- 'Hadrosaurus belongs to Trachodontidae'
- 'Hallopidae is corrected as Hallopodidae and belongs to Coelurosauria'
- 'Hallopus belongs to Hallopodidae'
- 'Haplocanthosaurus belongs to Cetiosauridae'
- 'Hypsilophodon belongs to Hypsilophodontidae'
- 'Hypsilophodontidae belongs to Ornithopoda'
- 'Iguanodon belongs to Iguanodontidae'
- 'Iguanodontidae belongs to Ornithopoda'
- 'Kritosaurus belongs to Trachodontidae'
- 'Laosaurus belongs to Camptosauridae'
- 'Massospondylus belongs to Anchisauridae'
- 'Megalosauri is corrected as Megalosauridae and belongs to Theropoda'
- 'Megalosaurus belongs to Megalosauridae'
- 'Monoclonius belongs to Ceratopsia'
- 'Morosauridae belongs to Sauropoda'
- 'Morosaurus belongs to Morosauridae'
- 'Nanosaurus belongs to Hypsilophodontidae'
- 'Nodosauridae belongs to Stegosauria'
- 'Nodosaurus belongs to Nodosauridae'
- 'Omosaurus belongs to Stegosauridae'
- 'Omosaurus armatus belongs to Omosaurus'
- 'Omosaurus durobrivensis belongs to Omosaurus'
- 'Ornithichnites giganteus is recombined as Eubrontes giganteus'
- 'Ornithischia belongs to Reptilia'
- 'Ornitholestes belongs to Coeluridae'
- 'Ornithomimidae belongs to Coelurosauria'
- 'Ornithomimus belongs to Ornithomimidae'
- 'Ornithopoda belongs to Ornithischia'
- 'Ornithopsis belongs to Morosauridae'
- 'Ornithopsis leedsi is recombined as Cetiosaurus leedsi'
- 'Orthopoda is a subjective synonym of Ornithischia'
- 'Otozoum moodii belongs to Otozoum'
- 'Pachysaurus belongs to Plateosauridae'
- 'Palaeoscincus belongs to Nodosauridae'
- 'Parasaurolophus belongs to Trachodontidae'
- 'Pelorosaurus belongs to Morosauridae'
- 'Plateosauridae belongs to Theropoda'
- 'Plateosaurus belongs to Plateosauridae'
- 'Plateosaurus trossingensis belongs to Plateosaurus'
- 'Pleurocoelus belongs to Morosauridae'
- 'Podokesauridae belongs to Coelurosauria'
- 'Podokesaurus belongs to Podokesauridae'
- 'Polacanthus belongs to Acanthopholidae'
- 'Predentata is a subjective synonym of Ornithischia'
- 'Procompsognathus belongs to Hallopodidae'
- 'Protoceratops belongs to Ceratopsia'
- 'Protoceratops andrewsi belongs to Protoceratops'
- 'Saurischia belongs to Reptilia'
- 'Saurolophus belongs to Trachodontidae'
- 'Sauropoda was reranked as a suborder and belongs to Saurischia'
- 'Scelidosauridae belongs to Stegosauria'
- 'Scelidosaurus belongs to Scelidosauridae'
- 'Spinosauridae belongs to Theropoda'
- 'Stegosauria belongs to Ornithischia'
- 'Stegosauridae belongs to Stegosauria'
- 'Stegosaurus belongs to Stegosauridae'
- 'Stegosaurus stenops belongs to Stegosaurus'
- 'Stegosaurus ungulatus belongs to Stegosaurus'
- 'Stenopelix belongs to Ceratopsia'
- 'Struthiomimus belongs to Ornithomimidae'
- 'Styracosaurus belongs to Ceratopsia'
- 'Thecodontosaurus belongs to Anchisauridae'
- 'Theropoda was reranked as a suborder and belongs to Saurischia'
- 'Thescelosaurus belongs to Hypsilophodontidae'
- 'Torosaurus belongs to Ceratopsia'
- 'Trachodon belongs to Trachodontidae'
- 'Trachodontidae belongs to Ornithopoda'
- 'Triceratops belongs to Ceratopsia'
- 'Troodon belongs to Troodontidae'
- 'Troodontidae belongs to Ornithopoda'
- 'Tyrannosaurus belongs to Deinodontidae'
- 'Zanclodon belongs to Zanclodontidae'
- 'Zanclodontidae belongs to Theropoda'