Opinions from C. B. Schultz and C. H. Falkenbach 1941

  • 'Mediochoerus belongs to Ticholeptinae'
  • 'Mediochoerus blicki belongs to Mediochoerus'
  • 'Mediochoerus johnsoni belongs to Mediochoerus'
  • 'Merychyus (Metoreodon) belongs to Merychyus'
  • 'Merychyus (Metoreodon) profectus is recombined as Ustatochoerus profectus'
  • 'Merychyus (Metoreodon) relictus is recombined as Merychyus relictus'
  • 'Merychyus calimontanus is recombined as Ticholeptus calimontanus'
  • 'Merychyus major is recombined as Ustatochoerus major'
  • 'Merychyus medius is recombined as Ustatochoerus medius'
  • 'Merychyus medius novomexicanus is recombined as Ustatochoerus medius novomexicanus'
  • 'Merychyus smithi is recombined as Ticholeptus zygomaticus smithi'
  • 'Merycochoerus (Pronomotherium) californicus is recombined as Ustatochoerus californicus'
  • 'Merycochoerus coenopus is a subjective synonym of Ustatochoerus medius'
  • 'Merycochoerus compressidens is recombined as Ustatochoerus compressidens'
  • 'Merycochoerus obliquidens is recombined as Ticholeptus obliquidens'
  • 'Merycochoerus rusticus is recombined as Brachycrus rusticus'
  • 'Poatrephes is a subjective synonym of Ticholeptus'
  • 'Poatrephes paludicola is a subjective synonym of Ticholeptus zygomaticus'
  • 'Ticholeptinae belongs to Merycoidodontidae'
  • 'Ticholeptus belongs to Ticholeptinae'
  • 'Ticholeptus hypsodus belongs to Ticholeptus'
  • 'Ticholeptus rileyi belongs to Ticholeptus'
  • 'Ticholeptus tooheyi belongs to Ticholeptus'
  • 'Ticholeptus zygomaticus belongs to Ticholeptus'
  • 'Ustatochoerus belongs to Ticholeptinae'
  • 'Ustatochoerus californicus raki belongs to Ustatochoerus californicus'
  • 'Ustatochoerus major texanus belongs to Ustatochoerus major'
  • 'Ustatochoerus medius mohavensis belongs to Ustatochoerus medius'
  • 'Ustatochoerus profectus espanolensis belongs to Ustatochoerus profectus'
  • 'Ustatochoerus profectus studeri belongs to Ustatochoerus profectus'
  • 'Ustatochoerus schrammi belongs to Ustatochoerus'
  • 'Ustatochoerus skinneri belongs to Ustatochoerus'
  • 'Ustatochoerus skinneri santacruzensis belongs to Ustatochoerus skinneri'