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Ectoconus ditrigonus Cope 1882 (condylarth)

Osteichthyes - Theriiformes - Periptychidae

PaleoDB taxon number: 45980

Alternative combinations: Conoryctes ditrigonus, Periptychus ditrigonus

Synonym: Ectoconus majusculus Matthew 1937 (taxon 45981)

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

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).

Ecology: ground dwelling herbivore

Average measurements (in mm): M1 9.45 x 13.00, M2 10.2 x 13.2, M3 8.42 x 11.03, m1 10.1 x 8.8, m2 12.1 x 10.4, m3 13.4 x 9.3