Opinions from D. B. Norman et al. 2004
- 'Abrictosaurus belongs to Heterodontosauridae'
- 'Agilisaurus belongs to Euornithopoda'
- 'Agilisaurus louderbacki belongs to Agilisaurus'
- 'Anabisetia belongs to Euornithopoda'
- 'Anabisetia saldiviai belongs to Anabisetia'
- 'Atlascopcosaurus belongs to Euornithopoda'
- 'Atlascopcosaurus loadsi belongs to Atlascopcosaurus'
- 'Bugenasaura belongs to Euornithopoda'
- 'Bugenasaura infernalis belongs to Bugenasaura'
- 'Dianchungosaurus is a nomen dubium'
- 'Dianchungosaurus lufengensis is a nomen dubium'
- 'Drinker belongs to Euornithopoda'
- 'Drinker nisti belongs to Drinker'
- 'Echinodon belongs to Heterodontosauridae'
- 'Echinodon becklesii belongs to Echinodon'
- 'Euornithopoda belongs to Ornithopoda'
- 'Fulgurotherium belongs to Euornithopoda'
- 'Fulgurotherium australe belongs to Fulgurotherium'
- 'Gasparinisaura belongs to Euornithopoda'
- 'Gasparinisaura cincosaltensis belongs to Gasparinisaura'
- 'Geranosaurus is a nomen dubium'
- 'Geranosaurus atavus is a nomen dubium'
- 'Heterodontosauridae belongs to Ornithopoda'
- 'Heterodontosaurus belongs to Heterodontosauridae'
- 'Heterodontosaurus tucki belongs to Heterodontosaurus'
- 'Hypsilophodon belongs to Euornithopoda'
- 'Hypsilophodon foxii belongs to Hypsilophodon'
- 'Hypsilophodon wielandi is a nomen dubium'
- 'Jeholosaurus belongs to Euornithopoda'
- 'Jeholosaurus shangyuanensis belongs to Jeholosaurus'
- 'Lanasaurus is a subjective synonym of Lycorhinus'
- 'Lanasaurus scalpridens is a subjective synonym of Lycorhinus angustidens'
- 'Laosaurus is a nomen dubium'
- 'Laosaurus celer is a nomen dubium'
- 'Laosaurus consors is a subjective synonym of Othnielia rex'
- 'Laosaurus gracilis is a subjective synonym of Othnielia rex'
- 'Laosaurus minimus is a nomen dubium'
- 'Leaellynasaura belongs to Euornithopoda'
- 'Leaellynasaura amicagraphica belongs to Leaellynasaura'
- 'Lycorhinus belongs to Heterodontosauridae'
- 'Lycorhinus angustidens belongs to Lycorhinus'
- 'Lycorhinus consors is recombined as Abrictosaurus consors'
- 'Nanosaurus is a nomen dubium'
- 'Nanosaurus agilis is a nomen dubium'
- 'Nanosaurus rex is recombined as Othnielia rex'
- 'Notohypsilophodon belongs to Euornithopoda'
- 'Notohypsilophodon comodorensis belongs to Notohypsilophodon'
- 'Orodromeus belongs to Euornithopoda'
- 'Orodromeus makelai belongs to Orodromeus'
- 'Othnielia belongs to Euornithopoda'
- 'Parksosaurus belongs to Euornithopoda'
- 'Phyllodon is a nomen dubium'
- 'Phyllodon henkeli is a nomen dubium'
- 'Qantassaurus belongs to Euornithopoda'
- 'Qantassaurus intrepidus belongs to Qantassaurus'
- 'Siluosaurus is a nomen dubium'
- 'Siluosaurus zhangqiani is a nomen dubium'
- 'Thescelosaurus belongs to Euornithopoda'
- 'Thescelosaurus edmontonensis is a subjective synonym of Thescelosaurus neglectus'
- 'Thescelosaurus garbanii is a subjective synonym of Bugenasaura infernalis'
- 'Thescelosaurus neglectus belongs to Thescelosaurus'
- 'Thescelosaurus warreni is recombined as Parksosaurus warreni'
- 'Yandusaurus belongs to Euornithopoda'
- 'Yandusaurus hongheensis belongs to Yandusaurus'
- 'Zephyrosaurus belongs to Euornithopoda'
- 'Zephyrosaurus schaffi belongs to Zephyrosaurus'