Opinions from K. O. A. Parsch 1963
- 'Acanthopholididae is corrected as Acanthopholidae and belongs to Ankylosauria'
- 'Albertosaurus is a subjective synonym of Aublysodon'
- 'Ammosauridae belongs to Coelurosauria'
- 'Anatosaurus belongs to Hadrosauridae'
- 'Anchiceratops belongs to Ceratopsidae'
- 'Ankylosauria belongs to Ornithischia'
- 'Ankylosaurus is a subjective synonym of Euoplocephalus'
- 'Anodontosaurus belongs to Nodosauridae'
- 'Archosauria was reranked as a subclass and belongs to Reptilia'
- 'Arrhinoceratops belongs to Ceratopsidae'
- 'Aublysodon belongs to Tyrannosauridae'
- 'Brachiosauridae belongs to Sauropoda'
- 'Brachyceratops belongs to Ceratopsidae'
- 'Brontosaurus is a subjective synonym of Apatosaurus'
- 'Camptosaurus belongs to Iguanodontidae'
- 'Carnosauria was reranked as a superfamily and belongs to Theropoda'
- 'Centrosaurus belongs to Ceratopsidae'
- 'Ceratopsia belongs to Ornithischia'
- 'Ceratopsidae belongs to Ceratopsia'
- 'Chasmosaurus belongs to Ceratopsidae'
- 'Cheneosaurus belongs to Hadrosauridae'
- 'Chirostenotes belongs to Coeluridae'
- 'Coeluridae belongs to Coelurosauria'
- 'Coelurosauria was reranked as a superfamily and belongs to Theropoda'
- 'Corythosaurus belongs to Hadrosauridae'
- 'Dromaeosaurus belongs to Coeluridae'
- 'Dyoplosaurus belongs to Nodosauridae'
- 'Edmontonia belongs to Nodosauridae'
- 'Edmontosaurus belongs to Hadrosauridae'
- 'Eoceratops belongs to Ceratopsidae'
- 'Euoplocephalus belongs to Nodosauridae'
- 'Gorgosaurus is a subjective synonym of Aublysodon'
- 'Hadrosauridae belongs to Ornithopoda'
- 'Hallopidae is corrected as Hallopodidae and belongs to Coelurosauria'
- 'Hypacrosaurus belongs to Hadrosauridae'
- 'Hypsilophodon belongs to Hypsilophodontidae'
- 'Hypsilophodontidae belongs to Ornithopoda'
- 'Iguanodon belongs to Iguanodontidae'
- 'Iguanodon mantelli belongs to Iguanodon'
- 'Iguanodontidae belongs to Ornithopoda'
- 'Kritosaurus belongs to Hadrosauridae'
- 'Lambeosaurus belongs to Hadrosauridae'
- 'Laosaurus belongs to Hypsilophodontidae'
- 'Leptoceratops belongs to Protoceratopsidae'
- 'Macrophalangia belongs to Ornithomimidae'
- 'Megalosauri is corrected as Megalosauridae and belongs to Carnosauria'
- 'Melanorosauridae belongs to Prosauropoda'
- 'Monoclonius belongs to Ceratopsidae'
- 'Nodosauridae belongs to Ankylosauria'
- 'Ornithischia belongs to Archosauria'
- 'Ornithomimidae belongs to Coelurosauria'
- 'Ornithomimus belongs to Ornithomimidae'
- 'Ornithopoda belongs to Ornithischia'
- 'Pachycephalosauridae belongs to Ornithopoda'
- 'Pachyrhinosauridae belongs to Ceratopsia'
- 'Pachyrhinosaurus belongs to Pachyrhinosauridae'
- 'Palaeosauridae belongs to Carnosauria'
- 'Palaeoscincus belongs to Nodosauridae'
- 'Panoplosaurus belongs to Nodosauridae'
- 'Parasaurolophus belongs to Hadrosauridae'
- 'Parksosaurus belongs to Hypsilophodontidae'
- 'Plateosauridae belongs to Prosauropoda'
- 'Podokesauridae belongs to Coelurosauria'
- 'Procheneosaurus belongs to Hadrosauridae'
- 'Prosaurolophus belongs to Hadrosauridae'
- 'Prosauropoda was reranked as a superfamily and belongs to Theropoda'
- 'Protoceratops belongs to Protoceratopsidae'
- 'Protoceratopsidae belongs to Ceratopsia'
- 'Psittacosauridae belongs to Ornithopoda'
- 'Saurischia belongs to Archosauria'
- 'Saurolophus belongs to Hadrosauridae'
- 'Sauropoda was reranked as a suborder and belongs to Saurischia'
- 'Scolosaurus belongs to Nodosauridae'
- 'Segisauridae belongs to Coelurosauria'
- 'Stegoceras belongs to Pachycephalosauridae'
- 'Stegosauria belongs to Ornithischia'
- 'Stegosauridae belongs to Stegosauria'
- 'Stenonychosaurus belongs to Theropoda'
- 'Stereocephalus is a subjective synonym of Euoplocephalus'
- 'Struthiomimus is a subjective synonym of Ornithomimus'
- 'Styracosaurus belongs to Ceratopsidae'
- 'Teratosauridae belongs to Carnosauria'
- 'Thecodontosauridae belongs to Prosauropoda'
- 'Theropoda was reranked as a suborder and belongs to Saurischia'
- 'Thescelosaurus belongs to Hypsilophodontidae'
- 'Titanosauridae belongs to Sauropoda'
- 'Triceratops belongs to Ceratopsidae'
- 'Troodon belongs to Coeluridae'
- 'Tyrannosauridae belongs to Carnosauria'
- 'Tyrannosaurus belongs to Tyrannosauridae'
- 'Zanklodon is a subjective synonym of Teratosaurus'