Opinions from P. C. Sereno 1986
- 'Abrictosaurus belongs to Heterodontosauria'
- 'Ankylopollexia belongs to Dryomorpha'
- 'Ankylosauria belongs to Eurypoda' according to P. C. Sereno 1986
- 'Ankylosauridae belongs to Ankylosauria'
- 'Ankylosaurinae belongs to Ankylosauridae'
- 'Ankylosaurus belongs to Ankylosauridae'
- 'Bagaceratops belongs to Coronosauria'
- 'Camptosaurus belongs to Ankylopollexia'
- 'Cerapoda belongs to Genasauria'
- 'Ceratops belongs to Ceratopsidae' according to O. C. Marsh 1888
- 'Ceratopsia belongs to Marginocephalia'
- 'Ceratopsidae belongs to Ceratopsoidea'
- 'Ceratopsoidea belongs to Coronosauria'
- 'Coronosauria belongs to Neoceratopsia'
- 'Crythiosaurus belongs to Amphisbaenidae' according to C. W. Gilmore 1943
- 'Domocephalinae belongs to Tholocephalidae'
- 'Dryomorpha belongs to Iguanodontia'
- 'Dryosauroidea belongs to Dryomorpha'
- 'Dryosaurus belongs to Dryomorpha'
- 'Dryosaurus canaliculatus is recombined as Valdosaurus canaliculatus' according to P. M. Galton 1977
- 'Euoplocephalus belongs to Ankylosauridae'
- 'Euoplocephalus belongs to Ankylosauridae'
- 'Euornithopoda belongs to Cerapoda'
- 'Eurypoda belongs to Thyreophoroidea'
- 'Genasauria belongs to Ornithischia'
- 'Goyocephale belongs to Goyocephalia'
- 'Goyocephalia belongs to Pachycephalosauria'
- 'Hadrosauridae belongs to Hadrosauroidea'
- 'Hadrosauroidea belongs to Iguanodontoidea'
- 'Heterodontosauria belongs to Euornithopoda'
- 'Heterodontosaurus belongs to Xiphosauridae'
- 'Homalocephale belongs to Homalocephaloidea'
- 'Homalocephaloidea belongs to Goyocephalia'
- 'Huayangosaurus belongs to Stegosauria' according to P. C. Sereno 1986
- 'Hylaeosaurus belongs to Nodosauridae'
- 'Hypsilophodon belongs to Hypsilophodontidae'
- 'Hypsilophodontia belongs to Ornithopoda'
- 'Hypsilophodontidae belongs to Hypsilophodontia'
- 'Iguanodon belongs to Iguanodontoidea'
- 'Iguanodontia was reranked as a infraorder and belongs to Ornithopoda'
- 'Iguanodontoidea belongs to Styracosterna'
- 'Lanasaurus belongs to Xiphosauridae'
- 'Leptoceratops belongs to Neoceratopsia'
- 'Lycorhinus belongs to Xiphosauridae'
- 'Marginocephalia belongs to Cerapoda'
- 'Microceratops belongs to Coronosauria'
- 'Montanoceratops belongs to Ceratopsoidea'
- 'Neoceratopsia belongs to Ceratopsia'
- 'Nodosauridae belongs to Ankylosauria'
- 'Nodosaurus belongs to Stegosauria' according to O. C. Marsh 1899
- 'Nodosaurus textilis belongs to Nodosaurus' according to O. C. Marsh 1899
- 'Ornithischia belongs to Dinosauria' according to H. G. Seeley 1888
- 'Ornithopoda was reranked as a unranked clade and belongs to Euornithopoda'
- 'Othnielia belongs to Hypsilophodontidae'
- 'Ouranosaurus belongs to Hadrosauroidea'
- 'Pachycephalosauria belongs to Marginocephalia'
- 'Pachycephalosaurus belongs to Domocephalinae'
- 'Panoplosaurinae belongs to Nodosauridae'
- 'Panoplosaurus belongs to Panoplosaurinae'
- 'Paranthodon belongs to Stegosauridae' according to P. C. Sereno 1986
- 'Parksosaurus belongs to Hypsilophodontidae'
- 'Pinacosaurus belongs to Ankylosaurinae'
- 'Polacanthus belongs to Nodosauridae'
- 'Prenocephale belongs to Domocephalinae'
- 'Probactrosaurus belongs to Styracosterna'
- 'Protoceratops belongs to Coronosauria'
- 'Psittacosaurus belongs to Ceratopsia'
- 'Saichania belongs to Ankylosaurinae'
- 'Sauropelta belongs to Struthiosaurinae'
- 'Scelidosaurus belongs to Thyreophoroidea' according to P. C. Sereno 1986
- 'Shamosaurus belongs to Ankylosauridae'
- 'Silvisaurus belongs to Panoplosaurinae'
- 'Stegoceras belongs to Tholocephalidae'
- 'Stegosauria belongs to Reptilia' according to O. C. Marsh 1877
- 'Stegosauria belongs to Eurypoda' according to P. C. Sereno 1986
- 'Stegosaurus belongs to Stegosauridae' according to P. C. Sereno 1986
- 'Stereocephalus tutus is recombined as Euoplocephalus tutus'
- 'Struthiosaurus belongs to Panoplosaurinae'
- 'Styracosterna belongs to Ankylopollexia'
- 'Talarurus belongs to Ankylosauridae'
- 'Tarchia belongs to Ankylosaurinae'
- 'Tenontosaurus belongs to Iguanodontia'
- 'Thescelosaurus belongs to Hypsilophodontia'
- 'Tholocephalidae belongs to Homalocephaloidea'
- 'Thyreophora was reranked as a unranked clade and belongs to Genasauria'
- 'Thyreophoroidea belongs to Thyreophora'
- 'Tuojiangosaurus belongs to Stegosauridae'
- 'Valdosaurus belongs to Dryosauroidea'
- 'Wannanosaurus belongs to Pachycephalosauria'
- 'Wuerhosaurus belongs to Stegosauridae' according to P. C. Sereno 1986
- 'Xiphosauridae belongs to Heterodontosauria'
- 'Yandusaurus belongs to Hypsilophodontidae'
- 'Zephyrosaurus belongs to Hypsilophodontidae'