†Helohyus plicodon Marsh 1872 (even-toed ungulate)

Mammalia - Artiodactyla - Helohyidae

Synonyms: Helohyus validus Marsh 1872, Thinotherium validum Marsh 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 Helohyus according to S. E. Foss 2007

See also Gazin 1976, Hay 1902, Marsh 1872, Marsh 1894, Stucky 1998 and West 1984

Sister taxa: Helohyus lentus, Helohyus milleri, Ithygrammodon cameloides, Thinotherium annulatum

Type specimens:

  • Helohyus plicodon: Its type locality is Grizzly Buttes, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming
  • Thinotherium validum:

Ecology: ground dwelling herbivore-omnivore

Distribution:

• Eocene of United States (23: Wyoming collections)

Total: 23 collections each including a single occurrence

Show more details

Specimen images are retrieved through the ePANDDA API.


Click image to enlarge. Click to access iDigBio record.