Protochriacus simplex Cope 1884 (condylarth)

Mammalia - Tribosphenida - Arctocyonidae

Alternative combinations: Chriacus simplex, Oxyclaenus simplex

Synonyms: Carcinodon filholianus Cope 1888, Mioclaenus filholianus Cope 1888

Full reference: E. D. Cope. 1884. Second addition to the knowledge of the Puerco Epoch. Proceedings of the American Philosophical Society 21(114):309-324

Belongs to Protochriacus according to W. B. Scott 1892

See also Cope 1884, Eberle 2003, Matthew 1937, Van Valen 1978, Williamson 1996 and Williamson and Lucas 1993

Sister taxa: Deltatherium interruptum, Loxolophus criswelli, Loxolophus faulkneri, Loxolophus grangeri, Loxolophus hyattianus, Loxolophus kimbetovius, Loxolophus pentacus, Loxolophus priscus, Loxolophus schizophrenus, Loxolophus spiekeri, Loxolophus stenognathus

Type specimens:

  • Protochriacus simplex: AMNH 3107, a partial skull (M1-2, pt. M3, p4, m1, m2).
  • Mioclaenus filholianus:

Ecology: ground dwelling omnivore


• Paleocene of United States (6: Montana, New Mexico, Utah, Wyoming collections)

Total: 6 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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