Opinions from F. B. Loomis 1924

  • 'Brachymeryx is a subjective synonym of Cyclopidius'
  • 'Brachymeryx belongs to ' according to Cope 1878
  • 'Brachymeryx feliceps is a subjective synonym of Cyclopidius simus'
  • 'Oreodontoides is a subjective synonym of Merychyus'
  • 'Eporeodon (Oreodontoides) oregonensis is recombined as Merychyus oregonensis'
  • 'Eporeodon relictus belongs to Eporeodon'
  • 'Merychyus (Metoreodon) profectus is recombined as Ticholeptus profectus'
  • 'Merychyus (Metoreodon) relictus belongs to Merychyus (Metoreodon)'
  • 'Merychyus (Metoreodon) relictus belongs to Merychyus (Metoreodon)' according to Matthew 1918
  • 'Merychyus curtus belongs to Merychyus'
  • 'Merychyus delicatus belongs to Merychyus'
  • 'Merychyus paniensis belongs to Merychyus'
  • 'Merychyus siouxensis belongs to Merychyus'
  • 'Merycochoerus magnus belongs to Merycochoerus'
  • 'Merycochoerus matthewi belongs to Merycochoerus'
  • 'Merycoides belongs to Merycoidodontidae'
  • 'Merycoidodon culbertsonii is recombined as Oreodon culbertsoni' according to Zittel and Schlosser 1923
  • 'Merycoidodon culbertsonii is recombined as Oreodon culbertsoni' according to O'Harra 1920
  • 'Merycoidodon culbertsonii is recombined as Oreodon culbertsoni' according to Barbour and Cook 1917
  • 'Merycoidodon culbertsonii is recombined as Oreodon culbertsoni' according to Moodie 1915
  • 'Merycoidodon culbertsonii is recombined as Oreodon culbertsoni' according to Zittel and Schlosser 1911
  • 'Merycoidodon culbertsonii is recombined as Oreodon culbertsoni' according to Weber 1904
  • 'Merycoidodon culbertsonii is recombined as Oreodon culbertsoni' according to Stewart 1897
  • 'Merycoidodon culbertsonii belongs to Merycoidodon'
  • 'Merycoidodon culbertsonii belongs to Merycoidodon' according to Thorpe 1923
  • 'Merycoidodon culbertsonii belongs to Merycoidodon' according to Thorpe 1921
  • 'Merycoidodon culbertsonii belongs to Merycoidodon' according to Scott 1913
  • 'Merycoidodon culbertsonii belongs to Merycoidodon' according to Stromer 1912
  • 'Merycoidodon culbertsonii belongs to Merycoidodon' according to Osborn 1910
  • 'Mesoreodon laticeps belongs to Mesoreodon'
  • 'Mesoreodon latidens is recombined as Merycoides latidens'
  • 'Mesoreodon longiceps is recombined as Merycoides longiceps'
  • 'Oreonetes belongs to Merycoidodontidae'
  • 'Promerycochoerus gregoryi belongs to Promerycochoerus'
  • 'Promerycochoerus pygmyus belongs to Promerycochoerus'
  • 'Promerycochoerus thomsoni belongs to Promerycochoerus'
  • 'Ticholeptus hypsodus belongs to Ticholeptus'