Ustatochoerus medius Leidy 1858

Mammalia - Artiodactyla - Merycoidodontidae

Alternative combinations: Merychyus medius, Metoreodon medius

Synonyms: Merycochoerus cenopus Scott 1890, Merycochoerus coenopus Scott 1890, Merycochoerus compressidens Douglass 1901, Metoreodon compressidens Douglass 1901, Ustatochoerus compressidens Douglass 1901

Full reference: J. Leidy. 1858. Notice of Remains of Extinct Vertebrata, from the Valley of the Niobrara River, Collected during the Exploring Expedition of 1857, in Nebraska, under the Command of Lieut. G. K. Warren, U. S. Top. Eng., by Dr. F. V. Hayden, Geologist to the Expedition. Proceedings of the Academy of Natural Sciences of Philadelphia 10:15-89

Belongs to Ustatochoerus according to M. S. Stevens et al. 2023

See also Cassiliano 1980, Cope 1884, Douglass 1901, Galbreath 1953, Hay 1902, Kelly and Lander 1988, Lander 1998, Lander and Kelly 1989, Leidy 1858, Leidy 1873, May 2019, Morgan et al. 2009, Schultz and Falkenbach 1941, Schultz and Falkenbach 1947, Scott and Osborn 1890, Stevens and Stevens 1989, Stevens and Stevens 2007, Tabrum and Nichols 2001, Thorpe 1937 and Voorhies 1990

Sister taxa: Ustatochoerus californicus, Ustatochoerus leptoscelos, Ustatochoerus major, Ustatochoerus tedfordi

Subtaxa: Merychyus medius novomexicanus Ustatochoerus medius mohavensis Ustatochoerus medius novomexicanus

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Type specimens:

  • Ustatochoerus medius: NM 118, a mandible (Partial left ramus with m1-m3)
  • Merycochoerus coenopus:
  • Merycochoerus compressidens: CM 801, a mandible (partial left ramus with /C - M2).

Distribution:

• Miocene of United States (63: Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, Wyoming collections)

Total: 63 collections including 66 occurrences

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Specimen images are retrieved through the ePANDDA API.


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