Opinions from B. F. Nopcsa 1902
- 'Camptonotus amplus is recombined as Camptosaurus amplus'
- 'Camptonotus dispar is recombined as Camptosaurus dispar'
- 'Camptosaurus belongs to Kalodontidae'
- 'Camptosaurus inkeyi belongs to Camptosaurus'
- 'Camptosaurus leedsi belongs to Camptosaurus'
- 'Camptosaurus medius belongs to Camptosaurus'
- 'Camptosaurus nanus belongs to Camptosaurus'
- 'Camptosaurus valdensis belongs to Camptosaurus'
- 'Craspedodon belongs to Kalodontidae'
- 'Craspedodon lonzeensis belongs to Craspedodon'
- 'Dryosaurus belongs to Kalodontidae'
- 'Hypsilophodon belongs to Kalodontidae'
- 'Hypsilophodon foxii belongs to Hypsilophodon'
- 'Iguanodon bernissartensis belongs to Iguanodon'
- 'Iguanodon dawsoni belongs to Iguanodon'
- 'Iguanodon exogirarum belongs to Iguanodon'
- 'Iguanodon fittoni belongs to Iguanodon'
- 'Iguanodon hoggii is a subjective synonym of Camptosaurus prestwichii'
- 'Iguanodon hollingtoniensis belongs to Iguanodon'
- 'Iguanodon mantelli belongs to Iguanodon'
- 'Iguanodon prestwichii is recombined as Camptosaurus prestwichii'
- 'Iguanodon seelyi is a subjective synonym of Iguanodon bernissartensis'
- 'Iguanodon suessii is recombined as Mochlodon suessii'
- 'Laosaurus belongs to Kalodontidae'
- 'Laosaurus altus is recombined as Dryosaurus altus'
- 'Laosaurus celer belongs to Laosaurus'
- 'Laosaurus consors belongs to Laosaurus'
- 'Laosaurus gracilis belongs to Laosaurus'
- 'Mochlodon belongs to Kalodontidae'
- 'Mochlodon robustum is a subjective synonym of Mochlodon suessii'
- 'Nanosaurus belongs to Kalodontidae'
- 'Nanosaurus agilis belongs to Nanosaurus'
- 'Nanosaurus rex belongs to Nanosaurus'
- 'Nanosaurus victor belongs to Nanosaurus'
- 'Rabdodon is corrected as Rhabdodon and belongs to Kalodontidae'
- 'Rabdodon priscum is recombined as Rhabdodon priscus'