Opinions from B. F. Nopcsa 1928
- 'Acanthopholididae is corrected as Acanthopholidae and belongs to Thyreophoroidea'
- 'Acanthopholis belongs to Acanthopholidae'
- 'Aetonyx belongs to Anchisauridae'
- 'Agrosaurus belongs to Anchisauridae'
- 'Albertosaurus belongs to Aublysodontinae'
- 'Altispinax belongs to Megalosaurinae'
- 'Ammosaurus belongs to Anchisauridae'
- 'Amphicoelias belongs to Diplodocidae'
- 'Anchiceratops belongs to Ceratopsinae'
- 'Anchisauridae belongs to Pachypodosauroidea'
- 'Anchisaurus belongs to Anchisauridae'
- 'Ankylosaurus belongs to Nodosauridae'
- 'Antrodemus belongs to Megalosaurinae'
- 'Anurognathinae belongs to Rhamphorhynchidae'
- 'Anurognathus belongs to Anurognathinae'
- 'Apatosaurus belongs to Camarasaurinae'
- 'Aristosaurus [misspelled as Aristasaurus] belongs to Thecodontosauridae'
- 'Aristosuchus belongs to Compsognathinae'
- 'Arrhinoceratops belongs to Ceratopsinae'
- 'Aublysodon belongs to Aublysodontinae'
- 'Aublysodontinae belongs to Megalosaurinidae'
- 'Barosaurus belongs to Diplodocidae'
- 'Bernissartia belongs to Bernissartinae'
- 'Bernissartidae was reranked as the subfamily Bernissartinae and belongs to Goniopholidae'
- 'Bothriospondylus belongs to Brachiosauridae'
- 'Brachiosauridae belongs to Sauropoda'
- 'Brachiosaurus belongs to Brachiosauridae'
- 'Brachyceratops belongs to Monocloniinae'
- 'Calamospondylus belongs to Compsognathinae'
- 'Camarasaurinae belongs to Morosauridae'
- 'Camarasaurus belongs to Camarasaurinae'
- 'Camptosaurinae belongs to Kalodontidae'
- 'Camptosaurus belongs to Camptosaurinae'
- 'Ceratops belongs to Ceratopsinae'
- 'Ceratopsidae belongs to Thyreophoroidea'
- 'Ceratopsinae belongs to Ceratopsidae'
- 'Ceratosaurus belongs to Megalosaurinae'
- 'Cetiosaurus belongs to Camarasaurinae'
- 'Cetiosaurus conybeari is recombined as Pelorosaurus conybeari' according to Mantell 1852
- 'Chasmosaurus [misspelled as Chasmasaurus] belongs to Monocloniinae'
- 'Cheneosaurus belongs to Lambeosaurinae'
- 'Chirostenotes [misspelled as Cheirostenotes] belongs to Compsognathinae'
- 'Claosaurus belongs to Trachodontinae'
- 'Coelophysinae belongs to Podokesauridae'
- 'Coelophysis belongs to Coelophysinae'
- 'Coelosaurus belongs to Ornithomiminae'
- 'Coelurosauridae was reranked as the suborder Coelurosauroidea and belongs to Saurischia'
- 'Coelurus belongs to Compsognathinae'
- 'Compsognathidae belongs to Coelurosauroidea'
- 'Compsognathinae belongs to Compsognathidae'
- 'Compsognathus belongs to Compsognathinae'
- 'Congosauridae was reranked as the subfamily Congosaurinae and belongs to Goniopholidae'
- 'Congosaurus belongs to Congosaurinae'
- 'Corythosaurus belongs to Lambeosaurinae'
- 'Craspedodon belongs to Iguanodontinae'
- 'Craterosaurus belongs to Stegosaurinae'
- 'Ctenochasma belongs to Ctenochasminae'
- 'Ctenochasminae belongs to Pterodactylidae'
- 'Deinodon is a subjective synonym of Aublysodon'
- 'Diceratops belongs to Ceratopsinae'
- 'Dicraeosaurus belongs to Diplodocidae'
- 'Dinodocus belongs to Brachiosauridae'
- 'Dinosauria was reranked as a superorder and belongs to Archosauria'
- 'Diplodocidae belongs to Sauropoda'
- 'Diplodocus belongs to Diplodocidae'
- 'Diracodon belongs to Stegosaurinae'
- 'Dromaeosaurus belongs to Megalosaurinae'
- 'Dromicosaurus belongs to Anchisauridae'
- 'Dryosaurus belongs to Camptosaurinae'
- 'Dryptosaurus belongs to Aublysodontinae'
- 'Dyoplax belongs to Erpetosuchidae'
- 'Dyoplosaurus belongs to Nodosauridae'
- 'Dyrosauridae was reranked as the subfamily Dyrosaurinae and belongs to Teleosauridae'
- 'Dyrosaurus belongs to Dyrosaurinae'
- 'Dysalotosaurus belongs to Camptosaurinae'
- 'Dystrophaeus belongs to Camarasaurinae'
- 'Echinodon belongs to Scelidosaurinae'
- 'Edmontosaurus belongs to Trachodontinae'
- 'Elaphrosaurus belongs to Ornithomiminae'
- 'Elosaurus belongs to Camarasaurinae'
- 'Eoceratops belongs to Ceratopsinae'
- 'Erectopus belongs to Megalosaurinae'
- 'Erpetosuchidae belongs to Procrocodilia'
- 'Erpetosuchus belongs to Erpetosuchidae'
- 'Erythrochampsa belongs to Erpetosuchidae'
- 'Eucnemesaurus [misspelled as Eucmesaurus] belongs to Plateosauridae'
- 'Eunotosauria belongs to Testudinata'
- 'Eunotosauroidea belongs to Eunotosauria'
- 'Euoplocephalus [misspelled as Erroplocephalus] belongs to Nodosauridae'
- 'Euskelesaurus belongs to Plateosauridae'
- 'Genyodectes belongs to Megalosaurinae'
- 'Geranosaurus belongs to Hypsilophodontinae'
- 'Gigantoscelus belongs to Plateosauridae'
- 'Goniopholinae belongs to Goniopholidae'
- 'Goniopholis belongs to Goniopholinae'
- 'Gorgosaurus belongs to Aublysodontinae'
- 'Gyposaurus belongs to Thecodontosauridae'
- 'Hadrosaurus belongs to Trachodontinae'
- 'Hallopidae is corrected as Hallopodidae and belongs to Coelurosauroidea'
- 'Hallopus belongs to Hallopodidae'
- 'Haplocanthosaurus belongs to Camarasaurinae'
- 'Hierosaurus belongs to Nodosauridae'
- 'Hoplitosaurus belongs to Nodosauridae'
- 'Hortalotarsus belongs to Anchisauridae'
- 'Hylaeochampsa belongs to Hylaeochampsinae'
- 'Hylaeochampsidae was reranked as the subfamily Hylaeochampsinae and belongs to Crocodilidae'
- 'Hylaeosaurus belongs to Acanthopholidae'
- 'Hypacrosaurus belongs to Lambeosaurinae'
- 'Hyposaurinae belongs to Goniopholidae'
- 'Hyposaurus belongs to Hyposaurinae'
- 'Hypselosaurus belongs to Titanosaurinae'
- 'Hypsilophodon belongs to Hypsilophodontinae'
- 'Hypsilophodontinae belongs to Kalodontidae'
- 'Iguanodon belongs to Iguanodontinae'
- 'Iguanodontinae belongs to Kalodontidae'
- 'Kalodontidae was reranked as a family and belongs to Ornithopoidea'
- 'Kangnasaurus belongs to Camptosaurinae'
- 'Kentrurosaurus belongs to Stegosaurinae'
- 'Kritosaurus belongs to Trachodontinae'
- 'Labrosauridae belongs to Megalosauroidea'
- 'Labrosaurus belongs to Labrosauridae'
- 'Lambeosaurinae belongs to Trachodontidae'
- 'Lambeosaurus belongs to Lambeosaurinae'
- 'Lametasaurus belongs to Stegosaurinae'
- 'Laosaurus belongs to Camptosaurinae'
- 'Leidyosuchinae belongs to Crocodilidae'
- 'Leidyosuchus belongs to Leidyosuchinae'
- 'Leptoceratops belongs to Leptoceratopsinae'
- 'Leptoceratopsinae belongs to Ceratopsidae'
- 'Libycosuchidae was reranked as the subfamily Lybicosuchinae and belongs to Notosuchidae'
- 'Libycosuchus [misspelled as Lybicosuchus] belongs to Lybicosuchinae'
- 'Macrurosaurus belongs to Titanosaurinae'
- 'Massospondylus belongs to Anchisauridae'
- 'Megalosauri is corrected as Megalosauridae and belongs to Megalosauroidea'
- 'Megalosaurinae belongs to Megalosauridae'
- 'Megalosauroidea belongs to Saurischia'
- 'Megalosaurus belongs to Megalosaurinae'
- 'Melanorosaurus belongs to Plateosauridae'
- 'Monocloniinae belongs to Ceratopsidae'
- 'Monoclonius belongs to Monocloniinae'
- 'Morosauridae belongs to Sauropoda'
- 'Nanosauridae was reranked as the subfamily Nannosaurinae and belongs to Kalodontidae'
- 'Nanosaurus [misspelled as Nannosaurus] belongs to Nannosaurinae'
- 'Nodosauridae belongs to Thyreophoroidea'
- 'Nodosaurus belongs to Nodosauridae'
- 'Notochampsa [misspelled as Nothochampsa] belongs to Erpetosuchidae'
- 'Notosuchinae belongs to Notosuchidae'
- 'Notosuchus belongs to Notosuchinae'
- 'Omosaurus belongs to Stegosaurinae'
- 'Ornithocheiridae [misspelled as Ornithocheirinae] belongs to Pterodactyloidea'
- 'Ornithodesmidae was reranked as the subfamily Ornithodesminae and belongs to Pterodactylidae'
- 'Ornithodesmus belongs to Ornithodesminae'
- 'Ornitholestes belongs to Compsognathinae'
- 'Ornithomiminae belongs to Compsognathidae'
- 'Ornithomimus belongs to Ornithomiminae'
- 'Ornithopoidea belongs to Orthopoda'
- 'Ornithopsis belongs to Camarasaurinae'
- 'Orthomerus belongs to Protrachodontinae'
- 'Orthopoda was reranked as a order and belongs to Dinosauria'
- 'Oviraptor belongs to Ornithomiminae'
- 'Pachypodosauroidea belongs to Saurischia'
- 'Pachysaurus belongs to Plateosauridae'
- 'Palaeoscincus belongs to Nodosauridae'
- 'Panoplosaurus belongs to Nodosauridae'
- 'Pantylidae belongs to Pantyloidea'
- 'Pantyloidea belongs to Cotylosauria'
- 'Parasaurolophus belongs to Saurolophinae'
- 'Pedeticosaurus belongs to Erpetosuchidae'
- 'Pelorosaurus belongs to Camarasaurinae'
- 'Pentaceratops belongs to Ceratopsinae'
- 'Pholidosauridae was reranked as the subfamily Pholidosaurinae and belongs to Goniopholidae'
- 'Pholidosaurus belongs to Pholidosaurinae'
- 'Plateosauridae belongs to Pachypodosauroidea'
- 'Plateosaurus belongs to Plateosauridae'
- 'Pleurocoelus belongs to Brachiosauridae'
- 'Podokeosaurinae is corrected as Podokesaurinae and belongs to Podokesauridae'
- 'Podokesauridae belongs to Coelurosauroidea'
- 'Podokesaurus belongs to Podokesaurinae'
- 'Poekilopleuron [misspelled as Poikilopleuron] belongs to Megalosaurinae'
- 'Polacanthus belongs to Nodosauridae'
- 'Poposauridae belongs to Poposauroidea'
- 'Poposauroidea belongs to Orthopoda'
- 'Poposaurus belongs to Poposauridae'
- 'Priodontognathus belongs to Camptosaurinae'
- 'Procerosaurus belongs to Podokesaurinae'
- 'Procompsognathus belongs to Hallopodidae'
- 'Procrocodilia belongs to Crocodilia'
- 'Prosaurolophus belongs to Saurolophinae'
- 'Protiguanodon belongs to Psittacosauridae'
- 'Protoceratops belongs to Leptoceratopsinae'
- 'Protrachodontinae belongs to Trachodontidae'
- 'Psittacosauridae belongs to Thyreophoroidea'
- 'Psittacosaurus belongs to Psittacosauridae'
- 'Pterospondylus belongs to Hallopodidae'
- 'Rabdodon is corrected as Rhabdodon and belongs to Camptosaurinae'
- 'Saltopus belongs to Podokesaurinae'
- 'Saniwa [misspelled as Saniva] belongs to Megalaninae'
- 'Sarcolestes belongs to Nodosauridae'
- 'Sarcosaurus belongs to Megalosaurinae'
- 'Saurischia belongs to Dinosauria'
- 'Saurolophinae belongs to Trachodontidae'
- 'Saurolophus belongs to Saurolophinae'
- 'Sauropoda was reranked as a suborder and belongs to Saurischia'
- 'Saurornithoides belongs to Compsognathinae'
- 'Scelidosaurinae belongs to Stegosauridae'
- 'Scelidosaurus belongs to Scelidosaurinae'
- 'Sclerosauridae was reranked as the subfamily Sclerosaurinae and belongs to Procolophonidae'
- 'Sclerosaurus belongs to Sclerosaurinae'
- 'Sellosaurus belongs to Plateosauridae'
- 'Sphenosuchidae belongs to Procrocodilia'
- 'Sphenosuchus belongs to Sphenosuchidae'
- 'Spinosaurus belongs to Labrosauridae'
- 'Stegoceras belongs to Acanthopholidae'
- 'Stegopelta belongs to Nodosauridae'
- 'Stegosauridae belongs to Thyreophoroidea'
- 'Stegosaurinae belongs to Stegosauridae'
- 'Stegosaurus belongs to Stegosaurinae'
- 'Stenopelix belongs to Hypsilophodontinae'
- 'Streptospondylus belongs to Megalosaurinae'
- 'Struthiomimus belongs to Ornithomiminae'
- 'Struthiosaurus belongs to Acanthopholidae'
- 'Styracosaurus belongs to Monocloniinae'
- 'Syngonosaurus belongs to Protrachodontinae'
- 'Tanystropheus belongs to Podokesaurinae'
- 'Teinurosaurus belongs to Aublysodontinae'
- 'Teratosauridae belongs to Megalosauroidea'
- 'Teratosaurus belongs to Teratosauridae'
- 'Testudinata was reranked as a superorder and belongs to Anapsida'
- 'Thecocoelurus belongs to Compsognathinae'
- 'Thecodontosauridae belongs to Pachypodosauroidea'
- 'Thecodontosaurus belongs to Thecodontosauridae'
- 'Thecospondylus belongs to Compsognathinae'
- 'Thescelosaurus [misspelled as Thescelesaurus] belongs to Camptosaurinae'
- 'Thespesius belongs to Trachodontinae'
- 'Thoracosauridae was reranked as the subfamily Thoracosaurinae and belongs to Crocodilidae'
- 'Thoracosaurus belongs to Thoracosaurinae'
- 'Thyreophoroidea belongs to Orthopoda'
- 'Titanosaurinae belongs to Morosauridae'
- 'Titanosaurus belongs to Titanosaurinae'
- 'Torosaurus belongs to Ceratopsinae'
- 'Trachodon belongs to Trachodontinae'
- 'Trachodontidae belongs to Ornithopoidea'
- 'Trachodontinae belongs to Trachodontidae'
- 'Tribelesodon belongs to Tribelesodontidae'
- 'Tribelesodontidae belongs to Tribelesodontoidea'
- 'Tribelesodontoidea belongs to Pterosauria'
- 'Triceratops belongs to Ceratopsinae'
- 'Troodon belongs to Acanthopholidae'
- 'Tyrannosaurus belongs to Aublysodontinae'
- 'Velociraptor belongs to Compsognathinae'
- 'Zanclodon belongs to Teratosauridae'