Tritemnodon agilis Marsh 1872

Mammalia - Hyaenodonta - Hyaenodontidae

Alternative combinations: Limnocyon agilis, Sinopa agilis, Stypolophus agilis

Synonyms: Sinopa brevicalcaratus Cope 1872, Sinopa gracilis Wortman 1902, Stypolophus brevicalcaratus Cope 1872, Stypolophus brevicolcarabus Cope 1872

Full reference: O. C. Marsh. 1872. Preliminary description of new Tertiary mammals. Part II. American Journal of Science 4(21):202-224

Belongs to Tritemnodon according to G. F. Gunnell 1998

See also Cope 1871, Cope 1872, Gazin 1976, Gingerich and Deutsch 1989, Hay 1902, Marsh 1872, Matthew 1909, Scott 1892, Thorpe 1923, Van Valen 1965 and Wortman 1902

Sister taxa: Tritemnodon hians, Tritemnodon strenuus

Type specimens:

  • Tritemnodon agilis: Its type locality is Grizzly Buttes, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming
  • Sinopa gracilis:
  • Stypolophus brevicolcarabus:


• Eocene of United States (4: Utah, Wyoming collections)

Total: 4 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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