Opinions from E. D. Cope 1873

  • 'Aceratherium megalodum is recombined as Aphelops megalodus'
  • 'Aciprion formosum belongs to Aciprion'
  • 'Aphelophis talpivorus belongs to Aphelophis'
  • 'Bunaelurus lagophagus belongs to Bunaelurus'
  • 'Calamagras angulatus belongs to Calamagras'
  • 'Calamagras murivorus belongs to Calamagras'
  • 'Calamagras truxalis belongs to Calamagras'
  • 'Canis hartshornianus belongs to Canis'
  • 'Canis lippincottianus belongs to Canis'
  • 'Canis osorum belongs to Canis'
  • 'Cremastosaurus carinicollis belongs to Cremastosaurus'
  • 'Daptophilus squalidens belongs to Daptophilus'
  • 'Diacium quinquepedalis belongs to Diacium'
  • 'Diacium unipedalis belongs to Diacium'
  • 'Embassis alternans belongs to Embassis'
  • 'Exostinus serratus belongs to Exostinus'
  • 'Gymnoptychus chrysodon is recombined as Ischyromys chrysodon'
  • 'Heliscomys vetus belongs to Heliscomys'
  • 'Herpetotherium fuzax is corrected as Herpetotherium fugax and belongs to Herpetotherium'
  • 'Herpetotherium huntii belongs to Herpetotherium'
  • 'Herpetotherium marginale belongs to Herpetotherium'
  • 'Herpetotherium scalare belongs to Herpetotherium'
  • 'Herpetotherium stevensonii belongs to Herpetotherium'
  • 'Herpetotherium tricuspis belongs to Herpetotherium'
  • 'Hypisodus ringens belongs to Hypisodus'
  • 'Hyracodon arcidens belongs to Hyracodon'
  • 'Isacis caniculus belongs to Isacis'
  • 'Leptauchenia calcarata belongs to Leptauchenia'
  • 'Leptauchenia minima is recombined as Hypisodus minimus'
  • 'Machaerodus oreodontis belongs to Machaerodus'
  • 'Mastodon proavus belongs to Mastodon'
  • 'Megaceratops acer is recombined as Symborodon acer'
  • 'Megaceratops helocerus is recombined as Symborodon heloceras'
  • 'Miobasileus ophryas belongs to Miobasileus'
  • 'Miothen crassigenis belongs to Miothen'
  • 'Miothen gracile belongs to Miothen'
  • 'Neurodromicus belongs to Ophidia'
  • 'Neurodromicus dorsalis belongs to Neurodromicus'
  • 'Palaeolagus agapetillus is recombined as Tricium agapetilla'
  • 'Palaeotherium bairdii is recombined as Anchitherium bairdii'
  • 'Paramys relictus belongs to Paramys'
  • 'Peltosaurus granulosus belongs to Peltosaurus'
  • 'Platyrhachis coloradoensis belongs to Platyrhachis'
  • 'Rhinoceros nebraskensis is recombined as Hyracodon nebrascensis'
  • 'Rhinoceros occidentalis is recombined as Aceratherium occidentale'
  • 'Symborodon altirostris belongs to Symborodon'
  • 'Symborodon bucco belongs to Symborodon'
  • 'Symborodon torvus belongs to Symborodon'
  • 'Symborodon trigonoceras belongs to Symborodon'
  • 'Testudo amphithorax belongs to Testudo'
  • 'Testudo culbratus [misspelled as Testudo cultratus] belongs to Testudo'
  • 'Testudo laticuneus belongs to Testudo'
  • 'Testudo ligonius belongs to Testudo'
  • 'Tricium annae belongs to Tricium'