Archaeotherium mortoni Leidy 1850 (even-toed ungulate)

Mammalia - Artiodactyla - Entelodontidae

Alternative combinations: Elotherium mortoni, Entelodon mortoni

Synonyms: Archaeotherium clavus Marsh 1893, Archaeotherium robustum Leidy 1852, Arctodon vetustum Leidy 1852, Elotherium clavum Marsh 1893, Eotherium americanum Leidy 1852, Menodus americanus Leidy 1852, Rhinoceros americanus Leidy 1852

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

Belongs to Archaeotherium according to W. B. Scott 1940

See also Cope 1891, Effinger 1998, Foss and Fremd 1998, Galbreath 1953, Hay 1902, Leidy 1850, Leidy 1852, Leidy 1853, Leidy 1857, Leidy 1873, Marsh 1893, Osborn 1929, Peterson 1909, Sinclair 1922, Sinclair 1922, Troxell 1920 and Troxell 1920

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

Subtaxa: Archaeotherium clavus darbyi

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Ecology: ground dwelling omnivore

Distribution:

• Oligocene of Canada (1: Saskatchewan collection), United States (15: Colorado, Nebraska, North Dakota, South Dakota, Wyoming)

• Eocene of Canada (1: Saskatchewan), United States (7: Colorado, Nebraska, South Dakota, Texas, Wyoming)

Total: 24 collections each including a single occurrence

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