Archaeotherium calkinsi Sinclair 1905

Mammalia - Artiodactyla - Entelodontidae

Alternative combination: Elotherium calkinsi

Full reference: W. J. Sinclair. 1905. New or Imperfectly Known Rodent and Ungulates from the John Day Series. University of California Publications, Bulletin of the Department of Geology 4(6):125-143

Belongs to Archaeotherium according to S. E. Foss and T. Fremd 1998

See also Alroy 2002, Peterson 1909, Sinclair 1905, Troxell 1920, Troxell 1920 and Troxell 1920

Sister taxa: Archaeotherium caninus, Archaeotherium coarctatum, Archaeotherium crassum, Archaeotherium imperator, Archaeotherium marshi, Archaeotherium mortoni, Archaeotherium palustris, Archaeotherium scotti, Archaeotherium superbum, Archaeotherium trippensis, Archaeotherium wanlessi, Choerodon calkinsi, Eotherium markgrafi, Eotherium abeli

Type specimen: UCMP 953, a partial skeleton (cranium and mandibIe, several cervical vertebrae and portions of fore and hind limbs). Its type locality is near Hatch's Gulch, which is in an Arikareean terrestrial horizon in the John Day Formation of Oregon.

Distribution: found only at near Hatch's Gulch

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