Archaeotherium Leidy 1850 (even-toed ungulate)

Mammalia - Artiodactyla - Entelodontidae

Synonyms: Choerodon Troxell 1920, Eotherium Leidy 1853

Full reference: J. Leidy. 1850. [Abstract of remarks made before a meeting of the Academy of Natural Sciences of Philadelphia, October 15th, 1850]. Proceedings of the Academy of Natural Sciences of Philadelphia 5(1):90-93

Parent taxon: Entelodontidae according to J. A. Effinger 1998

See also Carroll 1988, Foss 2007, Foss and Fremd 1998, Galbreath 1953, Leidy 1853, Osborn 1929, Palmer 1904, Peterson 1909, Russell 1980, Scott 1940, Spaulding et al. 2009, Thewissen et al. 2001, Troxell 1920, Vislobokova 2008 and Wood 1960

Sister taxa: Ammodon, Ammodon leidyanum, Arctodon, Boochoerus, Boochoerus humerosus, Cypretherium, Daeodon, Daeodon shoshonensis, Dinohyus, Entelodon, Ergilobia, Megachoerus, Paraentelodon, Pelonax, Proentelodontinae, Scaptohyus

Subtaxa: 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 Choerodon calkinsi Eotherium abeli Eotherium markgrafi

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Ecology: ground dwelling omnivore

Distribution:

• Miocene of United States (2: Oregon collections)

• Arikareean of United States (7: Nebraska, Oregon)

• Oligocene of Canada (1: Saskatchewan), United States (25: Colorado, Nebraska, North Dakota, Oregon, South Dakota, Wyoming)

• Eocene of Canada (4: Saskatchewan), United States (19: Colorado, Nebraska, South Dakota, Texas, Wyoming)

Total: 58 collections including 63 occurrences

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