Opinions from W. A. Parks 1935

  • 'Albertosaurus belongs to Theropoda'
  • 'Albertosaurus arctunguis belongs to Albertosaurus'
  • 'Anchiceratops belongs to Ceratopsidae'
  • 'Anchiceratops ornatus belongs to Anchiceratops'
  • 'Ankylosaurus belongs to Nodosauridae'
  • 'Arrhinoceratops belongs to Ceratopsidae'
  • 'Arrhinoceratops brachyops belongs to Arrhinoceratops'
  • 'Centrosaurus belongs to Ceratopsidae'
  • 'Centrosaurus apertus belongs to Centrosaurus'
  • 'Ceratopsia was reranked as a infraorder and belongs to Ornithischia'
  • 'Ceratopsidae belongs to Ceratopsia'
  • 'Chasmosaurus belongs to Ceratopsidae'
  • 'Chasmosaurus brevirostris belongs to Chasmosaurus'
  • 'Corythosaurus belongs to Trachodontidae'
  • 'Dyoplosaurus belongs to Nodosauridae'
  • 'Dyoplosaurus acutosquameus belongs to Dyoplosaurus'
  • 'Edmontosaurus belongs to Trachodontidae'
  • 'Edmontosaurus regalis belongs to Edmontosaurus'
  • 'Gorgosaurus belongs to Theropoda'
  • 'Hypacrosaurus belongs to Trachodontidae'
  • 'Hypacrosaurus altispinus belongs to Hypacrosaurus'
  • 'Hypsilophodontidae belongs to Ornithischia'
  • 'Kritosaurus belongs to Trachodontidae'
  • 'Kritosaurus incurvimanus belongs to Kritosaurus'
  • 'Lambeosaurus belongs to Trachodontidae'
  • 'Lambeosaurus lambei belongs to Lambeosaurus'
  • 'Monoclonius belli is recombined as Chasmosaurus belli'
  • 'Nodosauridae belongs to Ornithischia'
  • 'Ornithischia was reranked as a suborder and belongs to Dinosauria'
  • 'Ornithomimidae belongs to Theropoda'
  • 'Parasaurolophus belongs to Trachodontidae'
  • 'Parasaurolophus walkeri belongs to Parasaurolophus'
  • 'Predentata is a subjective synonym of Ornithischia'
  • 'Prosaurolophus belongs to Trachodontidae'
  • 'Prosaurolophus maximus belongs to Prosaurolophus'
  • 'Saurischia was reranked as a suborder and belongs to Dinosauria'
  • 'Sauropoda belongs to Saurischia'
  • 'Stephanosaurus intermedius is recombined as Corythosaurus intermedius'
  • 'Struthiomimus belongs to Ornithomimidae'
  • 'Struthiomimus brevetertius belongs to Struthiomimus'
  • 'Struthiomimus currellii belongs to Struthiomimus'
  • 'Struthiomimus ingens belongs to Struthiomimus'
  • 'Struthiomimus samueli belongs to Struthiomimus'
  • 'Tetragonosaurus belongs to Trachodontidae'
  • 'Tetragonosaurus erectofrons belongs to Tetragonosaurus'
  • 'Tetragonosaurus praeceps belongs to Tetragonosaurus'
  • 'Theropoda was reranked as a unranked clade and belongs to Saurischia'
  • 'Thescelosaurus belongs to Hypsilophodontidae'
  • 'Thescelosaurus warreni belongs to Thescelosaurus'
  • 'Trachodontidae belongs to Ornithischia'
  • 'Tyrannosaurus belongs to Theropoda'
  • 'Tyrannosaurus rex belongs to Tyrannosaurus'