Archaeotherium calkinsi Sinclair 1905 (even-toed ungulate)

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, Eotherium markgrafi, Eotherium abeli, Choerodon calkinsi

Type specimen: UCMP 953, a partial skeleton (cranium and mandibIe, several cervical vertebrae and portions of fore and hind limbs)

Ecology: ground dwelling omnivore

Distribution: found only at near Hatch's Gulch ( of Oregon)

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