Ustatochoerus major Leidy 1858 (oreodont)

Mammalia - Ungulata - Merycoidodontidae

Alternative combinations: Merychyus major, Metoreodon major

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 and J. B. Stevens 2007

See also Cope 1884, Hay 1902, Kelly and Lander 1988, Lander 1998, Leidy 1858, Matthew 1924, Morgan et al. 2009, Schultz and Falkenbach 1941, Schultz and Falkenbach 1947, Stevens and Stevens 1989, Thorpe 1937 and Voorhies 1990

Sister taxa: Ustatochoerus californicus, Ustatochoerus compressidens, Ustatochoerus leptoscelos, Ustatochoerus medius, Ustatochoerus profectus, Ustatochoerus schrammi, Ustatochoerus skinneri

Subtaxa: Merychyus major major Ustatochoerus major texanus

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Type specimen: NM 439, a maxilla (Partial right maxilla with P3-M3)

Ecology: ground dwelling herbivore

Distribution:

• Hemphillian of United States (2: Nebraska collections)

• Miocene of United States (36: California, Nebraska, New Mexico, Texas)

Total: 38 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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