Promerycochoerus (Parapromerycochoerus) macrostegus Cope 1884

Mammalia - Ungulata - Merycoidodontidae

Alternative combinations: Merycochoerus macrostegus, Promerycochoerus macrostegus

Synonym: Promerycochoerus marshi Thorpe 1921

Full reference: E. D. Cope. 1884. Synopsis of the species of Oreodontidae. Paleontological Bulletin 38:503-572

Belongs to Promerycochoerus (Parapromerycochoerus) according to C. B. Schultz and C. H. Falkenbach 1949

See also Cope 1884, Hay 1902, Lander 1998, Thorpe 1921, Thorpe 1924 and Thorpe 1937

Sister taxon: Promerycochoerus (Parapromerycochoerus) barbouri

Type specimens:

  • Promerycochoerus (Parapromerycochoerus) macrostegus: AMNH 7444, a skull (Skull with I1-I2 rt. and I3-M3 and mandible with i1-i3 alv. and /c{br.)-m3).
  • Promerycochoerus marshi: YPM 10999, a partial skeleton (The holotype consists of the skull and jaws of a fully adult animal, as well as the atlas, axis, five cervicals, two dorsals, and the proximal parts of the firs).


• Arikareean of United States (2: Oregon collections)

Total: 2 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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