Opinions from A. R. Milner and D. B. Norman 1984
- 'Alocodon belongs to Fabrosauridae'
- 'Bactrosaurus belongs to Hadrosauridae'
- 'Camptosaurus belongs to Iguanodontidae'
- 'Craspedodon belongs to Iguanodontidae'
- 'Dryosauridae belongs to Ornithopoda'
- 'Dryosaurus belongs to Dryosauridae'
- 'Dysalotosaurus is a subjective synonym of Dryosaurus'
- 'Echinodon belongs to Fabrosauridae'
- 'Fabrosauridae belongs to Ornithopoda'
- 'Fabrosaurus is a subjective synonym of Lesothosaurus'
- 'Hadrosauridae belongs to Ornithopoda'
- 'Hadrosaurinae belongs to Hadrosauridae'
- 'Hypsilophodon belongs to Hypsilophodontidae'
- 'Hypsilophodontidae belongs to Ornithopoda'
- 'Iguanodon belongs to Iguanodontidae'
- 'Iguanodon orientalis belongs to Iguanodon'
- 'Iguanodon prestwichii is recombined as Camptosaurus prestwichii'
- 'Iguanodontidae belongs to Ornithopoda'
- 'Lambeosaurinae belongs to Hadrosauridae'
- 'Lesothosaurus belongs to Fabrosauridae'
- 'Mochlodon belongs to Dryosauridae'
- 'Muttaburrasaurus belongs to Iguanodontidae'
- 'Nanosaurus belongs to Fabrosauridae'
- 'Ouranosaurus belongs to Iguanodontidae'
- 'Parksosaurus belongs to Dryosauridae'
- 'Probactrosaurus belongs to Iguanodontidae'
- 'Saurolophus belongs to Hadrosauridae'
- 'Scutellosaurus belongs to Fabrosauridae'
- 'Tenontosaurus belongs to Hypsilophodontidae'
- 'Thescelosaurus belongs to Hypsilophodontidae'
- 'Trimucrodon belongs to Fabrosauridae'
- 'Valdosaurus belongs to Dryosauridae'
- 'Vectisaurus belongs to Iguanodontidae'
- 'Zephyrosaurus belongs to Hypsilophodontidae'