Opinions from L. Van Valen 1966

  • 'Aelurotherium is a subjective synonym of Patriofelis'
  • 'Avunculus belongs to Cimolestidae'
  • 'Avunculus didelphodonti belongs to Avunculus'
  • 'Centetodon altidens is recombined as Didelphodus altidens'
  • 'Cimolestes curtus is recombined as Diaphorodon curtus'
  • 'Clinodon is a subjective synonym of Clinopternodus'
  • 'Clinodon is a subjective synonym of Clinopternodus' according to Clark 1937
  • 'Clinodon belongs to Micropternodontidae' according to Clark 1936
  • 'Clinodon gracilis is recombined as Clinopternodus gracilis'
  • 'Clinodon gracilis is recombined as Clinopternodus gracilis' according to Clark 1937
  • 'Clinodon gracilis belongs to Clinodon' according to Clark 1936
  • 'Deltatherium absarokae is recombined as Didelphodus absarokae'
  • 'Didelphodus ventanus is a subjective synonym of Didelphodus altidens'
  • 'Dipsalidictis is a subjective synonym of Oxyaena'
  • 'Dipsalidictis platypus is recombined as Oxyaena platypus'
  • 'Emperodon is a subjective synonym of Gelastops'
  • 'Emperodon acmeodontoides is a subjective synonym of Gelastops parcus'
  • 'Entomodon comptus is recombined as Thinocyon comptus'
  • 'Hyaenodon horridus belongs to Hyaenodon'
  • 'Ischnognathus is a nomen vanum'
  • 'Ischnognathus savagei is a nomen vanum'
  • 'Kentrogomphios is a subjective synonym of Micropternodus'
  • 'Limnofelis is a subjective synonym of Patriofelis'
  • 'Limnotherium is a subjective synonym of Notharctus'
  • 'Lipodectes is a subjective synonym of Deltatherium'
  • 'Neohyaenodon is a subjective synonym of Hyaenodon'
  • 'Oreocyon is a subjective synonym of Patriofelis'
  • 'Oxyaena simpsoni belongs to Oxyaena'
  • 'Oxyaena transiens is a subjective synonym of Oxyaena gulo'
  • 'Oxyaenodon dysclerus is a subjective synonym of Oxyaenodon dysodus'
  • 'Oxyaenodon wortmani belongs to Oxyaenodon'
  • 'Palaeoryctes punctatus belongs to Palaeoryctes'
  • 'Pararyctes belongs to Cimolesta'
  • 'Pararyctes pattersoni belongs to Pararyctes'
  • 'Phenacops is a subjective synonym of Didelphodus'
  • 'Phenacops incerta is a subjective synonym of Didelphodus altidens'
  • 'Prolimnocyon belongs to Limnocyonidae'
  • 'Prototomus belongs to Hyaenodontidae'
  • 'Proviverra americana is a nomen dubium'
  • 'Stypolophus is a subjective synonym of Sinopa'
  • 'Telmalestes is a subjective synonym of Notharctus'
  • 'Telmatocyon is a subjective synonym of Limnocyon'
  • 'Telmatocyon belongs to ' according to Marsh 1899
  • 'Thinolestes is a subjective synonym of Notharctus'
  • 'Tomitherium is a subjective synonym of Notharctus'
  • 'Triacodon is a nomen dubium'
  • 'Triacodon fallax is a nomen dubium'
  • 'Ziphacodon is a nomen dubium'
  • 'Ziphacodon rugatus is a nomen dubium'