Opinions from T. M. Lehman 1981

  • 'Alamosaurus belongs to Titanosauridae'
  • 'Alamosaurus sanjuanensis belongs to Alamosaurus'
  • 'Albertosaurus belongs to Tyrannosauridae'
  • 'Arrhinoceratops utahensis is recombined as Torosaurus utahensis'
  • 'Centrosaurus belongs to Ceratopsidae'
  • 'Ceratops belongs to Ceratopsidae'
  • 'Chasmosaurus belongs to Ceratopsidae'
  • 'Deinodon is a nomen dubium'
  • 'Eoceratops belongs to Ceratopsidae'
  • 'Hadrosaurus belongs to Hadrosauridae'
  • 'Kritosaurus is a subjective synonym of Hadrosaurus'
  • 'Kritosaurus navajovius is recombined as Hadrosaurus navajovius'
  • 'Monoclonius belongs to Ceratopsidae'
  • 'Monoclonius canadensis is recombined as Eoceratops canadensis'
  • 'Palaeoscincus rugosidens is recombined as Panoplosaurus rugosidens'
  • 'Panoplosaurus belongs to Nodosauridae'
  • 'Parasaurolophus belongs to Hadrosauridae'
  • 'Parasaurolophus cyrtocristatus belongs to Parasaurolophus'
  • 'Parasaurolophus tubicen belongs to Parasaurolophus'
  • 'Parksosaurus belongs to Hypsilophodontidae'
  • 'Paronychodon belongs to Coeluridae'
  • 'Paronychodon lacustris belongs to Paronychodon'
  • 'Pentaceratops belongs to Ceratopsidae'
  • 'Pentaceratops sternbergii belongs to Pentaceratops'
  • 'Saurornithoides belongs to Saurornithoididae'
  • 'Saurornithoides junior belongs to Saurornithoides'
  • 'Stenonychosaurus inequalis belongs to Stenonychosaurus'
  • 'Thescelosaurus warreni is recombined as Parksosaurus warreni'
  • 'Torosaurus belongs to Ceratopsidae'
  • 'Triceratops belongs to Ceratopsidae'