Opinions from R. Lund 1989

  • 'Belantsea belongs to Belantseidae'
  • 'Belantsea montana belongs to Belantsea'
  • 'Belantseidae belongs to Petalodontiformes'
  • 'Climaxodus is a subjective synonym of Janassa'
  • 'Ctenopetalus occidentalis belongs to Ctenopetalus' according to St. John and Worthen 1875
  • 'Ctenopetalus occidentalis is recombined as Belantsea occidentalis'
  • 'Ctenoptychius belongs to Belantseidae'
  • 'Ctenoptychius stevensoni belongs to Ctenoptychius' according to St. John and Worthen 1875
  • 'Harpacodus clavatus belongs to Harpacodus' according to Davis 1883
  • 'Harpacodus compactus belongs to Harpacodus' according to St. John and Worthen 1875
  • 'Harpacodus compactus belongs to Harpacodus'
  • 'Harpacodus dentatus belongs to Harpacodus' according to Davis 1883
  • 'Harpacodus occidentalis belongs to Harpacodus' according to St. John and Worthen 1875
  • 'Harpacodus occidentalis belongs to Harpacodus'
  • 'Janassa belongs to Janassidae'
  • 'Janassa clarki belongs to Janassa'
  • 'Janassa wisei belongs to Janassa' according to Traquair 1901
  • 'Janassa wisei is recombined as Tanaodus wisei'
  • 'Janassidae belongs to Petalodontiformes'
  • 'Megactenopetalus belongs to Pristodontidae'
  • 'Netsepoye belongs to Belantseidae'
  • 'Netsepoye hawesi belongs to Netsepoye'
  • 'Peripristidae is a subjective synonym of Pristodontidae'
  • 'Peripristis belongs to Pristodontidae'
  • 'Petalodontidae belongs to Petalodontiformes'
  • 'Petalorhynchus belongs to Pristodontidae'
  • 'Petalorhynchus beargulchensis belongs to Petalorhynchus'
  • 'Polyrhizodus belongs to Petalodontidae'
  • 'Pristodontidae belongs to Petalodontiformes'
  • 'Pristodus belongs to Pristodontidae'
  • 'Siksika belongs to Pristodontidae'
  • 'Siksika ottae belongs to Siksika'