Ectoconus ditrigonus Cope 1882

Mammalia - Ungulata - Periptychidae

Alternative combinations: Conoryctes ditrigonus, Periptychus ditrigonus

Synonym: Ectoconus majusculus Matthew 1937

Full reference: E. D. Cope. 1882. Synopsis of the Vertebrata of the Puerco Eocene epoch. Supplement on a new Meniscotherium from the Wasatch epoch. Proceedings of the American Philosophical Society 20:461-471

Belongs to Ectoconus according to J. J. Eberle and J. A. Lillegraven 1998

See also Cifelli et al. 1995, Cope 1882, Eberle 2003, Hay 1902, Matthew 1937, Middleton 1983, Schoch 1986, Simpson 1941, Van Valen 1978, Williamson 1996 and Williamson and Lucas 1993

Sister taxa: Ectoconus cavigellii, Ectoconus symbolus

Type specimens:

  • Ectoconus ditrigonus: AMNH 3798, a mandible (fragment of right dentary with m2)
  • Ectoconus majusculus: Amer. Mus. No. 16500, a skeleton (nearly complete skeleton).

Distribution:

• Paleocene of United States (21: Colorado, New Mexico, Utah, Wyoming collections)

Total: 21 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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