Opinions from A. A. Farke et al. 2011
- 'Achelousaurus belongs to Centrosaurinae'
- 'Achelousaurus horneri belongs to Achelousaurus'
- 'Albertaceratops belongs to Centrosaurinae'
- 'Albertaceratops nesmoi belongs to Albertaceratops'
- 'Avaceratops belongs to Centrosaurinae'
- 'Avaceratops lammersi belongs to Avaceratops'
- 'Brachyceratops is a nomen dubium'
- 'Centrosaurinae belongs to Ceratopsidae'
- 'Centrosaurus belongs to Centrosaurinae'
- 'Centrosaurus apertus belongs to Centrosaurus'
- 'Centrosaurus brinkmani belongs to Centrosaurus'
- 'Chasmosaurinae belongs to Ceratopsidae'
- 'Chasmosaurus belongs to Chasmosaurinae'
- 'Chasmosaurus irvinensis is recombined as Vagaceratops irvinensis'
- 'Chasmosaurus russelli belongs to Chasmosaurus'
- 'Diabloceratops belongs to Centrosaurinae'
- 'Diabloceratops eatoni belongs to Diabloceratops'
- 'Einiosaurus belongs to Centrosaurinae'
- 'Einiosaurus procurvicornis belongs to Einiosaurus'
- 'Lambeosaurus magnicristatum is corrected as Lambeosaurus magnicristatus and belongs to Lambeosaurus'
- 'Mojoceratops perifania belongs to Mojoceratops'
- 'Monoclonius is a nomen dubium'
- 'Monoclonius belli is recombined as Chasmosaurus belli'
- 'Pachyrhinosaurus belongs to Centrosaurinae'
- 'Pachyrhinosaurus canadensis belongs to Pachyrhinosaurus'
- 'Pachyrhinosaurus lakustai belongs to Pachyrhinosaurus'
- 'Pentaceratops belongs to Chasmosaurinae'
- 'Pentaceratops sternbergii belongs to Pentaceratops'
- 'Protoceratops andrewsi belongs to Protoceratops'
- 'Rubeosaurus belongs to Centrosaurinae'
- 'Sinoceratops zhuchengensis belongs to Sinoceratops'
- 'Spinops belongs to Centrosaurinae'
- 'Spinops sternbergorum belongs to Spinops'
- 'Styracosaurus belongs to Centrosaurinae'
- 'Styracosaurus albertensis belongs to Styracosaurus'
- 'Styracosaurus ovatus is recombined as Rubeosaurus ovatus'
- 'Turanoceratops tardabilis belongs to Turanoceratops'
- 'Zuniceratops christopheri belongs to Zuniceratops'