Opinions from P. J. Currie 2005
- 'Brachylophosaurus canadensis belongs to Brachylophosaurus'
- 'Caenagnathus collinsi is a subjective synonym of Chirostenotes pergracilis'
- 'Caenagnathus sternbergi is a subjective synonym of Chirostenotes pergracilis'
- 'Centrosaurus apertus belongs to Centrosaurus'
- 'Chasmosaurus brevirostris is a subjective synonym of Chasmosaurus belli'
- 'Chasmosaurus irvinensis belongs to Chasmosaurus'
- 'Chasmosaurus kaiseni is a subjective synonym of Chasmosaurus belli'
- 'Chasmosaurus russelli belongs to Chasmosaurus'
- 'Chirostenotes pergracilis belongs to Chirostenotes'
- 'Corythosaurus bicristatus is a subjective synonym of Corythosaurus casuarius'
- 'Corythosaurus brevicristatus is a subjective synonym of Corythosaurus casuarius'
- 'Corythosaurus casuarius belongs to Corythosaurus'
- 'Corythosaurus excavatus is a subjective synonym of Corythosaurus casuarius'
- 'Corythosaurus frontalis is a subjective synonym of Lambeosaurus lambei'
- 'Daspletosaurus torosus belongs to Daspletosaurus'
- 'Dromaeosaurus albertensis belongs to Dromaeosaurus'
- 'Dyoplosaurus acutosquameus is a subjective synonym of Euoplocephalus tutus'
- 'Gorgosaurus libratus belongs to Gorgosaurus'
- 'Gorgosaurus sternbergi is a subjective synonym of Gorgosaurus libratus'
- 'Gravitholus albertae belongs to Gravitholus'
- 'Gryposaurus notabilis belongs to Gryposaurus'
- 'Kritosaurus incurvimanus is recombined as Gryposaurus incurvimanus'
- 'Lambeosaurus clavinitialis is a subjective synonym of Lambeosaurus lambei'
- 'Lambeosaurus lambei belongs to Lambeosaurus'
- 'Lambeosaurus magnicristatum is corrected as Lambeosaurus magnicristatus and belongs to Lambeosaurus'
- 'Macrophalangia canadensis is a subjective synonym of Chirostenotes pergracilis'
- 'Monoclonius belli is recombined as Chasmosaurus belli'
- 'Eoceratops canadensis is a subjective synonym of Chasmosaurus belli'
- 'Monoclonius cutleri is a subjective synonym of Centrosaurus apertus'
- 'Monoclonius dawsoni is a subjective synonym of Centrosaurus apertus'
- 'Monoclonius lowei is a subjective synonym of Centrosaurus apertus'
- 'Monoclonius nasicornus is recombined as Centrosaurus nasicornus'
- 'Ornithomimus altus is recombined as Struthiomimus altus'
- 'Ornithomimus elegans is recombined as Elmisaurus elegans'
- 'Panoplosaurus mirus belongs to Panoplosaurus'
- 'Parasaurolophus walkeri belongs to Parasaurolophus'
- 'Prosaurolophus maximus belongs to Prosaurolophus'
- 'Richardoestesia gilmorei belongs to Richardoestesia'
- 'Saurornitholestes langstoni belongs to Saurornitholestes'
- 'Scolosaurus is a subjective synonym of Euoplocephalus'
- 'Scolosaurus cutleri is a subjective synonym of Euoplocephalus tutus'
- 'Stegoceras brevis is a subjective synonym of Stegoceras validum'
- 'Stegoceras browni is recombined as Ornatotholus browni'
- 'Stegoceras lambei is a subjective synonym of Stegoceras validum'
- 'Stegoceras validus is corrected as Stegoceras validum and belongs to Stegoceras'
- 'Stenonychosaurus is a subjective synonym of Troodon'
- 'Troodon inequalis is a subjective synonym of Troodon formosus'
- 'Corythosaurus intermedius is a subjective synonym of Corythosaurus casuarius'
- 'Stereocephalus tutus is recombined as Euoplocephalus tutus'
- 'Struthiomimus currellii is a subjective synonym of Ornithomimus edmontonicus'
- 'Struthiomimus samueli is recombined as Dromiceiomimus samueli'
- 'Styracosaurus albertensis belongs to Styracosaurus'
- 'Styracosaurus parksi is a subjective synonym of Styracosaurus albertensis'
- 'Tetragonosaurus cranibrevis is recombined as Procheneosaurus cranibrevis' according to C. M. Sternberg 1935
- 'Procheneosaurus cranibrevis is a subjective synonym of Corythosaurus casuarius'
- 'Procheneosaurus erectofrons is a subjective synonym of Corythosaurus casuarius'
- 'Tetragonosaurus praeceps is recombined as Procheneosaurus praeceps' according to R. S. Lull and N. E. Wright 1942
- 'Procheneosaurus praeceps is a subjective synonym of Lambeosaurus lambei'
- 'Trachodon altidens is a nomen dubium'
- 'Stephanosaurus marginatus is a subjective synonym of Lambeosaurus lambei'
- 'Trachodon selwyni is a nomen dubium'