Opinions from R. H. Tedford et al. 1987

  • 'Araeocyon is a subjective synonym of Simocyon' according to Pilgrim 1931
  • 'Araeocyon is a subjective synonym of Simocyon'
  • 'Australocamelus is a subjective synonym of Oxydactylus'
  • 'Beckia is a subjective synonym of Ischyrictis'
  • 'Beckia grangerensis is recombined as Ischyrictis grangerensis'
  • 'Borophagus littoralis is a subjective synonym of Epicyon saevus'
  • 'Cosoryx belongs to Antilocapridae'
  • 'Cosoryx (Paracosoryx) furlongi belongs to Cosoryx (Paracosoryx)'
  • 'Cosoryx (Subcosoryx) cerroensis belongs to Cosoryx (Subcosoryx)'
  • 'Cosoryx alticornis is recombined as Cosoryx (Paracosoryx) alticornis'
  • 'Cosoryx dawesensis is recombined as Cosoryx (Paracosoryx) dawesensis'
  • 'Cranioceras kinseyi is recombined as Rakomeryx kinseyi'
  • 'Cynodesmus thooides is recombined as Mesocyon thooides'
  • 'Daeodon is a subjective synonym of Dinohyus'
  • 'Desmatippus belongs to Equidae'
  • 'Desmatippus crenidens belongs to Desmatippus'
  • 'Dinochoerus hollandi is recombined as Dinohyus hollandi'
  • 'Dinochoerus hollandi is recombined as Dinohyus hollandi' according to Brunet 1975
  • 'Dyseotylopus belongs to Camelidae'
  • 'Dyseotylopus migrans belongs to Dyseotylopus'
  • 'Hemicyon californicus is a subjective synonym of Hemicyon barstowensis'
  • 'Hesperoscalops belongs to Talpidae'
  • 'Hesperoscalops blancoensis belongs to Hesperoscalops'
  • 'Hesperoscalops rexroadi belongs to Hesperoscalops'
  • 'Hesperoscalops sewardensis belongs to Hesperoscalops'
  • 'Hippotherium isonesum is recombined as Merychippus isonesus'
  • 'Lambdoceras belongs to Protoceratidae'
  • 'Lambdoceras hessei belongs to Lambdoceras'
  • 'Mammut nevadanus is recombined as Pliomastodon nevadanus'
  • 'Merycodus loxocerus is recombined as Paracosoryx loxocerus'
  • 'Merycodus nevadensis is recombined as Paracosoryx nevadensis'
  • 'Osteoborus crassapineatus is a subjective synonym of Borophagus dudleyi'
  • 'Osteoborus diabloensis is a subjective synonym of Epicyon saevus'
  • 'Oxydactylus brachyodontus is recombined as Tanymykter brachyodontus'
  • 'Parablastomeryx belongs to Moschidae'
  • 'Parablastomeryx is a subjective synonym of Blastomeryx' according to Carroll 1988
  • 'Parablastomeryx falkenbachi is recombined as Pseudoblastomeryx falkenbachi'
  • 'Parablastomeryx floridanus belongs to Parablastomeryx'
  • 'Parablastomeryx marsa is recombined as Pseudoblastomeryx marsa'
  • 'Parablastomeryx schultzi is recombined as Pseudoblastomeryx schultzi'
  • 'Plioceros belongs to Antilocapridae'
  • 'Plioceros blicki belongs to Plioceros'
  • 'Plioceros dehlini belongs to Plioceros'
  • 'Plioceros floblairi belongs to Plioceros'
  • 'Pliocyon marshi is recombined as Simocyon marshi'
  • 'Pliocyon marshi is recombined as Simocyon marshi' according to Pilgrim 1931
  • 'Pliogulo is a subjective synonym of Borophagus'
  • 'Pliogulo dudleyi is recombined as Borophagus dudleyi'
  • 'Pliomastodon belongs to Mammutidae'
  • 'Pliomastodon belongs to Mammutidae' according to Osborn 1926
  • 'Pliomastodon adamsi belongs to Pliomastodon' according to Hibbard 1944
  • 'Pliomastodon adamsi belongs to Pliomastodon'
  • 'Prosynthetoceras trinitiensis is recombined as Lambdoceras trinitiensis'
  • 'Protohippus avus is recombined as Desmatippus avus'
  • 'Protohippus coalingensis is recombined as Dinohippus coalingensis'
  • 'Pseudoblastomeryx belongs to Moschidae'
  • 'Scalopus mcgrewi is recombined as Hesperoscalops mcgrewi'
  • 'Scalopus ruficervus is recombined as Hesperoscalops ruficervus'
  • 'Scalopus ruficervus belongs to Scalopus' according to Dalquest 1969
  • 'Synthetoceras siouxensis is recombined as Lambdoceras siouxensis'
  • 'Tanyorhinus is a subjective synonym of Dolichorhinus'
  • 'Tanyorhinus belongs to ' according to Cook 1926
  • 'Tanyorhinus blairi is recombined as Dolichorhinus blairi'
  • 'Tanyorhinus blairi belongs to Tanyorhinus' according to Cook 1926
  • 'Tanyorhinus bridgeri is recombined as Dolichorhinus bridgeri'
  • 'Tanyorhinus bridgeri belongs to Tanyorhinus' according to Cook 1926
  • 'Tanyorhinus harundivorax belongs to Tanyorhinus' according to Cook 1926
  • 'Tanyorhinus harundivorax is recombined as Dolichorhinus harundivoras'
  • 'Trilophodon paladentatus is a subjective synonym of Amebelodon hicksi'
  • 'Ustatochoerus medius mohavensis is recombined as Mediochoerus mohavensis'
  • 'Yumaceras is a subjective synonym of Cranioceras'