Thryptacodon orthogonius Russell 1929 (condylarth)

Mammalia - Tribosphenida - Arctocyonidae

Alternative combination: Chriacus orthogonius

Synonyms: Thryptacodon belli Gazin 1956, Thryptacodon demari Gazin 1956

Belongs to Thryptacodon according to C. S. Scott et al. 2002

See also Alroy 2002, Gazin 1956, Secord 1998, Van Valen 1978 and Winterfeld 1982

Sister taxa: Thryptacodon antiquus, Thryptacodon australis, Thryptacodon barae, Thryptacodon pseudarctos

Type specimens:

  • Thryptacodon orthogonius: UALVP 124, a tooth (isolated left M2)
  • Thryptacodon belli: UWyo 1045, a mandible. Its type locality is Saddle, which is in a Tiffanian terrestrial horizon in Wyoming.
  • Thryptacodon demari: USNM 20985, a mandible. Its type locality is Ledge, which is in a Tiffanian terrestrial horizon in Wyoming.

Ecology: ground dwelling omnivore

Distribution:

• Paleocene of Canada (1: Alberta collection), United States (12: Montana, Wyoming)

Total: 13 collections including 14 occurrences

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Specimen images are retrieved through the ePANDDA API.


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