Opinions from P. Dodson et al. 2004

  • 'Achelousaurus belongs to Centrosaurinae'
  • 'Achelousaurus horneri belongs to Achelousaurus'
  • 'Agathaumas is a nomen dubium'
  • 'Agathaumas sylvestris is a nomen dubium'
  • 'Anchiceratops belongs to Chasmosaurinae'
  • 'Anchiceratops longirostris is a subjective synonym of Anchiceratops ornatus'
  • 'Anchiceratops ornatus belongs to Anchiceratops'
  • 'Arrhinoceratops belongs to Chasmosaurinae'
  • 'Arrhinoceratops brachyops belongs to Arrhinoceratops'
  • 'Arrhinoceratops utahensis is a subjective synonym of Torosaurus latus'
  • 'Avaceratops belongs to Centrosaurinae'
  • 'Avaceratops lammersi belongs to Avaceratops'
  • 'Bison alticornis is a nomen dubium'
  • 'Brachyceratops belongs to Centrosaurinae'
  • 'Brachyceratops montanensis belongs to Brachyceratops'
  • 'Centrosaurinae belongs to Ceratopsidae'
  • 'Centrosaurus belongs to Centrosaurinae'
  • 'Centrosaurus apertus belongs to Centrosaurus'
  • 'Centrosaurus longirostris is a subjective synonym of Centrosaurus apertus'
  • 'Ceratops is a nomen dubium'
  • 'Ceratops horridus is recombined as Triceratops horridus'
  • 'Ceratops montanus is a nomen dubium'
  • 'Chasmosaurinae belongs to Ceratopsidae'
  • 'Chasmosaurus belongs to Chasmosaurinae'
  • 'Chasmosaurus brevirostris is a subjective synonym of Chasmosaurus belli'
  • 'Chasmosaurus irvinensis belongs to Chasmosaurus'
  • 'Chasmosaurus kaiseni is a subjective synonym of Chasmosaurus belli'
  • 'Chasmosaurus mariscalensis belongs to Chasmosaurus'
  • 'Chasmosaurus russelli belongs to Chasmosaurus'
  • 'Diceratops belongs to Chasmosaurinae'
  • 'Diceratops hatcheri belongs to Diceratops'
  • 'Dysganus bicarinatus is a nomen dubium'
  • 'Dysganus encaustus is a nomen dubium'
  • 'Dysganus haydenianus is a nomen dubium'
  • 'Dysganus peiganus is a nomen dubium'
  • 'Einiosaurus belongs to Centrosaurinae'
  • 'Einiosaurus procurvicornis belongs to Einiosaurus'
  • 'Eoceratops is a subjective synonym of Chasmosaurus'
  • 'Monoclonius belongs to Centrosaurinae'
  • 'Monoclonius belli is recombined as Chasmosaurus belli'
  • 'Chasmosaurus canadensis is a subjective synonym of Chasmosaurus belli'
  • 'Monoclonius crassus belongs to Monoclonius'
  • 'Monoclonius cutleri is a subjective synonym of Centrosaurus apertus'
  • 'Monoclonius dawsoni is a subjective synonym of Centrosaurus apertus'
  • 'Monoclonius fissus is a nomen dubium'
  • 'Monoclonius flexus is a subjective synonym of Centrosaurus apertus'
  • 'Monoclonius lowei is a subjective synonym of Monoclonius crassus'
  • 'Monoclonius nasicornus is a subjective synonym of Styracosaurus albertensis'
  • 'Monoclonius recurvicornis is a nomen dubium'
  • 'Monoclonius sphenocerus is a nomen dubium'
  • 'Notoceratops is a nomen dubium'
  • 'Notoceratops bonarelli is a nomen dubium'
  • 'Pachyrhinosaurus belongs to Centrosaurinae'
  • 'Pachyrhinosaurus canadensis belongs to Pachyrhinosaurus'
  • 'Pentaceratops belongs to Chasmosaurinae'
  • 'Pentaceratops fenestratus is a subjective synonym of Pentaceratops sternbergii'
  • 'Pentaceratops sternbergii belongs to Pentaceratops'
  • 'Polyonax is a nomen dubium'
  • 'Polyonax mortuarius is a nomen dubium'
  • 'Protorosaurus is a subjective synonym of Chasmosaurus'
  • 'Styracosaurus belongs to Centrosaurinae'
  • 'Styracosaurus albertensis belongs to Styracosaurus'
  • 'Styracosaurus ovatus is a nomen dubium'
  • 'Styracosaurus parksi is a subjective synonym of Styracosaurus albertensis'
  • 'Torosaurus belongs to Chasmosaurinae'
  • 'Torosaurus gladius is a subjective synonym of Torosaurus latus'
  • 'Torosaurus latus belongs to Torosaurus'
  • 'Triceratops belongs to Chasmosaurinae'
  • 'Triceratops albertensis is a subjective synonym of Triceratops horridus'
  • 'Triceratops brevicornus is a subjective synonym of Triceratops horridus'
  • 'Triceratops calicornis is a subjective synonym of Triceratops horridus'
  • 'Triceratops elatus is a subjective synonym of Triceratops horridus'
  • 'Triceratops eurycephalus is a subjective synonym of Triceratops horridus'
  • 'Triceratops flabellatus is a subjective synonym of Triceratops horridus'
  • 'Triceratops galeus is a nomen dubium'
  • 'Triceratops ingens is a nomen dubium'
  • 'Triceratops maximus is a nomen dubium'
  • 'Triceratops obtusus is a subjective synonym of Triceratops horridus'
  • 'Triceratops prorsus is a subjective synonym of Triceratops horridus'
  • 'Triceratops serratus is a subjective synonym of Triceratops horridus'
  • 'Triceratops sulcatus is a nomen dubium'
  • 'Ugrosaurus is a nomen dubium'
  • 'Ugrosaurus olsoni is a nomen dubium'