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Choerodon calkinsi Sinclair 1905 (even-toed ungulate)

Osteichthyes - Artiodactyla - Entelodontidae

PaleoDB taxon number: 45069

Alternative combinations: Daeodon calkinsi, Entelodon 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 Choerodon according to E. L. Troxell 1920

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

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

Ecology: ground dwelling omnivore

Average measurements (in mm): M1 31.5 x 33.0, M2 33.0 x 33.5, M3 31.0 x 28.0