Opinions from R. A. Thulborn 1975
- 'Alocodon belongs to Fabrosauridae'
- 'Alocodon kuehnei belongs to Alocodon'
- 'Brachypoda belongs to Ornithopoda'
- 'Dacentrurus belongs to Stegosauridae'
- 'Dolichopoda belongs to Ornithopoda'
- 'Dryosaurus belongs to Hypsilophodontidae'
- 'Dysalotosaurus belongs to Hypsilophodontidae'
- 'Dysalotosaurus lettowvorbecki belongs to Dysalotosaurus'
- 'Echinodon belongs to Fabrosauridae'
- 'Echinodon becklesii belongs to Echinodon'
- 'Fabrosauridae belongs to Dolichopoda'
- 'Fabrosaurus belongs to Fabrosauridae'
- 'Fabrosaurus australis belongs to Fabrosaurus'
- 'Geranosaurus atavus belongs to Geranosaurus'
- 'Heterodontosaurus tucki is recombined as Lycorhinus tucki'
- 'Hypsilophodon belongs to Hypsilophodontidae'
- 'Hypsilophodon foxii belongs to Hypsilophodon'
- 'Hypsilophodontidae belongs to Dolichopoda'
- 'Iguanodon belongs to Iguanodontidae'
- 'Iguanodon mantelli belongs to Iguanodon'
- 'Iguanodontidae belongs to Brachypoda'
- 'Laosaurus belongs to Hypsilophodontidae'
- 'Laosaurus consors belongs to Laosaurus'
- 'Lusitanosaurus belongs to Scelidosauridae'
- 'Lusitanosaurus liasicus belongs to Lusitanosaurus'
- 'Lycorhinus angustidens belongs to Lycorhinus'
- 'Nanosaurus belongs to Hypsilophodontidae'
- 'Omosaurus is replaced by Dacentrurus'
- 'Omosaurus armatus is recombined as Dacentrurus armatus'
- 'Omosaurus lennieri is recombined as Dacentrurus lennieri'
- 'Phyllodon belongs to Hypsilophodontidae'
- 'Phyllodon henkeli belongs to Phyllodon'
- 'Scelidosauridae belongs to Brachypoda'
- 'Stegosauridae belongs to Stegosauria'
- 'Thescelosaurus belongs to Iguanodontidae'
- 'Thescelosaurus edmontonensis belongs to Thescelosaurus'
- 'Trimucrodon belongs to Fabrosauridae'
- 'Trimucrodon cuneatus belongs to Trimucrodon'