Opinions from H. F. Osborn 1904

  • 'Aceratherium profectum is recombined as Aphelops profectus'
  • 'Aceratherium profectum is recombined as Aphelops profectus' according to Matthew 1901
  • 'Aceratherium profectum belongs to Aceratherium' according to Matthew 1899
  • 'Anchitherium agreste is recombined as Parahippus agrestis'
  • 'Anchitherium agreste is a subjective synonym of Anchippus texanus' according to Matthew 1899
  • 'Anchitherium agreste is recombined as Mesohippus agrestis' according to Trouessart 1898
  • 'Anchitherium agreste is recombined as Mesohippus agrestis' according to Roger 1896
  • 'Anchitherium anceps is recombined as Miohippus anceps'
  • 'Anchitherium anceps is recombined as Miohippus anceps' according to Trouessart 1898
  • 'Anchitherium anceps is recombined as Miohippus anceps' according to Roger 1896
  • 'Anchitherium anceps is recombined as Miohippus anceps' according to Marsh 1892
  • 'Anchitherium anceps is recombined as Miohippus anceps' according to King 1878
  • 'Anchitherium anceps is recombined as Kalobatippus anceps' according to Joleaud 1919
  • 'Anchitherium anceps is recombined as Mesohippus anceps' according to Matthew 1899
  • 'Anchitherium anceps belongs to Anchitherium' according to Zittel 1893
  • 'Anchitherium anceps belongs to Anchitherium' according to Cope 1886
  • 'Anchitherium australe is recombined as Hypohippus australis'
  • 'Anchitherium australis is a subjective synonym of Anchippus texanus' according to Matthew 1899
  • 'Anchitherium australe is recombined as Mesohippus australis' according to Trouessart 1898
  • 'Anchitherium australe is recombined as Mesohippus australis' according to Roger 1896
  • 'Anchitherium australe is corrected as Anchitherium australis and belongs to Anchitherium' according to Leidy 1873
  • 'Anchitherium brachylophus is recombined as Mesohippus brachylophus'
  • 'Anchitherium brachylophus is recombined as Mesohippus brachylophus' according to Matthew 1899
  • 'Anchitherium celer is recombined as Mesohippus celer'
  • 'Anchitherium condoni is recombined as Miohippus condoni'
  • 'Anchitherium condoni is recombined as Miohippus condoni' according to Trouessart 1898
  • 'Anchitherium condoni is recombined as Miohippus condoni' according to Roger 1896
  • 'Anchitherium condoni is recombined as Miohippus condoni' according to King 1878
  • 'Anchitherium condoni is recombined as Miohippus condoni' according to Marsh 1874
  • 'Anchitherium condoni is recombined as Mesohippus condoni' according to J. Merriam 1907
  • 'Anchitherium condoni is recombined as Mesohippus condoni' according to Matthew 1899
  • 'Anchitherium condoni belongs to Anchitherium' according to Leidy 1870
  • 'Anchitherium cuneatum is a subjective synonym of Mesohippus bairdi'
  • 'Anchitherium cuneatum is a subjective synonym of Mesohippus bairdi' according to Matthew 1899
  • 'Anchitherium equiceps is recombined as Mesohippus equiceps'
  • 'Anchitherium equiceps is recombined as Mesohippus equiceps' according to Matthew 1899
  • 'Anchitherium equiceps is recombined as Mesohippus equiceps' according to Farr 1896
  • 'Anchitherium equinum is recombined as Hypohippus equinus'
  • 'Anchitherium equinum is recombined as Hypohippus equinus' according to Beddard 1902
  • 'Anchitherium equinum belongs to Anchitherium' according to Simpson 1932
  • 'Anchitherium equinum belongs to Anchitherium' according to Trouessart 1905
  • 'Anchitherium exoletum is a nomen dubium'
  • 'Anchitherium exoletum is a subjective synonym of Mesohippus bairdi' according to Trouessart 1905
  • 'Anchitherium exoletum is a subjective synonym of Mesohippus bairdi' according to Matthew 1899
  • 'Anchitherium longicristis is recombined as Mesohippus longicristis'
  • 'Anchitherium longicristis is recombined as Mesohippus longicristis' according to Matthew 1899
  • 'Anchitherium praestans belongs to Anchitherium'
  • 'Anchitherium ultimum is recombined as Miohippus ultimus' according to Roger 1896
  • 'Miohippus ultimus is an invalid subgroup of Equidae'
  • 'Anchitherium ultimum is recombined as Miohippus ultimus' according to Trouessart 1898
  • 'Anchitherium westoni is recombined as Mesohippus westoni'
  • 'Anchitherium westoni is recombined as Mesohippus westoni' according to Matthew 1899
  • 'Anchitherium westoni is recombined as Mesohippus westoni' according to Roger 1896
  • 'Aphelops planiceps belongs to Aphelops'
  • 'Caenopus persistens belongs to Caenopus'
  • 'Hippotherium montezumae is recombined as Equus montezuma'
  • 'Mesohippus brachystylus belongs to Mesohippus'
  • 'Mesohippus copei is recombined as Colodon copei'
  • 'Mesohippus eulophus belongs to Mesohippus'
  • 'Mesohippus gidleyi belongs to Mesohippus'
  • 'Mesohippus hypostylus belongs to Mesohippus'
  • 'Mesohippus intermedius belongs to Mesohippus'
  • 'Mesohippus latidens belongs to Mesohippus'
  • 'Mesohippus longipes is recombined as Colodon longipes'
  • 'Mesohippus meteulophus belongs to Mesohippus'
  • 'Mesohippus montanensis belongs to Mesohippus'
  • 'Mesohippus obliquidens belongs to Mesohippus'
  • 'Mesohippus proteulophus belongs to Mesohippus'
  • 'Mesohippus validus belongs to Mesohippus'
  • 'Metacheiromys dasypus belongs to Metacheiromys'
  • 'Metacheiromys tatusia belongs to Metacheiromys'
  • 'Miohippus annectens belongs to Miohippus'
  • 'Miohippus crassicuspis belongs to Miohippus'
  • 'Neohipparion whitneyi is recombined as Hipparion whitneyi'
  • 'Palaeotherium bairdii is recombined as Mesohippus bairdi'
  • 'Protohippus sejunctus is recombined as Merychippus sejunctus'
  • 'Rhinoceros longipes is recombined as Aphelops longipes'
  • 'Rhinoceros longipes is recombined as Aphelops longipes' according to Cope 1892
  • 'Rhinoceros proterus is a subjective synonym of Teleoceras fossiger'
  • 'Rhinoceros proterus is recombined as Aphelops proterus' according to Cope 1892
  • 'Rhinoceros proterus belongs to Rhinoceros' according to Leidy 1885
  • 'Teleoceras medicornutum belongs to Teleoceras'