Opinions from J. Leidy 1857

  • 'Agriochoerus antiquus belongs to Agriochoerus'
  • 'Agriochoerus major belongs to Agriochoerus'
  • 'Amphicyon gracilis belongs to Amphicyon'
  • 'Archaeotherium mortoni is recombined as Elotherium mortoni'
  • 'Archaeotherium robustum is a subjective synonym of Entelodon mortoni'
  • 'Arctodon is a subjective synonym of Entelodon'
  • 'Camelops kansanus belongs to Camelops'
  • 'Cladocyclus occidentalis belongs to Cladocyclus' according to Leidy 1856
  • 'Cladocyclus occidentalis belongs to Cladocyclus'
  • 'Clupea humilis belongs to Clupea'
  • 'Compsemys victus is corrected as Compsemys victa and belongs to Compsemys'
  • 'Cotylops speciosa is a subjective synonym of Oreodon culbertsoni'
  • 'Crocodilus humilis belongs to Crocodilus'
  • 'Daphoenus vetus is recombined as Amphicyon vetus'
  • 'Deinodon horridus is recombined as Megalosaurus (Deinodon) horridus'
  • 'Dinictis felina belongs to Dinictis'
  • 'Emys culbertsonii is a subjective synonym of Testudo nebrascensis'
  • 'Emys hemispherica is a subjective synonym of Testudo nebrascensis'
  • 'Emys obscurus belongs to Emys'
  • 'Emys oweni is a subjective synonym of Testudo nebrascensis'
  • 'Enchodus shumardi belongs to Enchodus'
  • 'Entelodon ingens belongs to Entelodon'
  • 'Eucrotaphus auritus is a subjective synonym of Agriochoerus major'
  • 'Eucrotaphus jacksoni is a subjective synonym of Agriochoerus antiquus'
  • 'Eumys elegans belongs to Eumys'
  • 'Hipparion occidentale belongs to Hipparion'
  • 'Hippodon speciosus is recombined as Hipparion speciosum'
  • 'Hyaenodon crucians belongs to Hyaenodon'
  • 'Hyaenodon cruentus belongs to Hyaenodon'
  • 'Hyaenodon horridus belongs to Hyaenodon'
  • 'Choeropotamus (Hyopotamus) is replaced by Choeropotamus (Hyopotamus)'
  • 'Hyopotamus was reranked as Choeropotamus (Hyopotamus) and belongs to Choeropotamus'
  • 'Hyopotamus americanus is recombined as Choeropotamus (Hyopotamus) americanus'
  • 'Hyracodon was reranked as Rhinoceros (Hyracodon) and belongs to Rhinoceros'
  • 'Ichthyosaurus missouriensis is recombined as Mosasaurus missouriensis'
  • 'Ischyromys typus belongs to Ischyromys'
  • 'Lepidotus haydeni belongs to Lepidotus'
  • 'Lepidotus occidentalis belongs to Lepidotus'
  • 'Leptarctus primus belongs to Leptarctus'
  • 'Leptauchenia decora belongs to Leptauchenia'
  • 'Leptauchenia major belongs to Leptauchenia'
  • 'Leptochoerus spectabilis belongs to Leptochoerus'
  • 'Leptomeryx evansi belongs to Leptomeryx'
  • 'Machairodus primaevus belongs to Machairodus'
  • 'Mammut ohioticum is recombined as Mastodon ohioticum'
  • 'Manatus antiquus is recombined as Ischyrotherium antiquus'
  • 'Megalosaurus (Deinodon) belongs to Megalosaurus'
  • 'Merychippus insignis belongs to Merychippus'
  • 'Merycodus necatus belongs to Merycodus'
  • 'Merycoidodon culbertsonii is recombined as Oreodon culbertsoni'
  • 'Mosasaurus maximilliani is a subjective synonym of Mosasaurus missouriensis'
  • 'Mylognathus priscus belongs to Mylognathus'
  • 'Oreodon gracile is corrected as Oreodon gracilis and belongs to Oreodon'
  • 'Oreodon major belongs to Oreodon'
  • 'Oreodon priscus is a subjective synonym of Oreodon culbertsoni'
  • 'Palaeochoerus probus belongs to Palaeochoerus'
  • 'Palaeolagus haydeni belongs to Palaeolagus'
  • 'Palaeoscincus costatus belongs to Palaeoscincus'
  • 'Palaeotherium bairdii is recombined as Anchitherium bairdii'
  • 'Palaeotherium giganteum is a subjective synonym of Titanotherium proutii'
  • 'Palaeotherium proutii is recombined as Titanotherium proutii'
  • 'Poebrotherium wilsoni belongs to Poebrotherium'
  • 'Protomeryx halli belongs to Protomeryx'
  • 'Rhinoceros americanus is a subjective synonym of Titanotherium proutii'
  • 'Rhinoceros nebraskensis is recombined as Rhinoceros (Hyracodon) nebrascensis'
  • 'Rhinoceros occidentalis belongs to Rhinoceros'
  • 'Saurocephalus lanciformis belongs to Saurocephalus'
  • 'Steneofiber nebrascensis belongs to Steneofiber'
  • 'Stylemys nebrascensis is recombined as Testudo nebrascensis'
  • 'Thespesius occidentalis belongs to Thespesius'
  • 'Trachodon mirabilis belongs to Trachodon'
  • 'Trionyx foveatus belongs to Trionyx'
  • 'Troodon formosus belongs to Troodon'