Mammalia - Artiodactyla - Merycoidodontidae
Alternative combination: Ticholeptus brachymelis
Synonyms: Hypsiops brachymelis petersoni Loomis 1923, Hypsiops breviceps Douglass 1907, Ticholeptus breviceps Douglass 1907, Ticholeptus petersoni Loomis 1923
Full reference: E. Douglass. 1907. New merycoidodonts from the Miocene of Montana. Bulletin of the American Museum of Natural History 23:809-822
Belongs to Hypsiops according to M. S. Stevens et al. 2023
See also Douglass 1907, Douglass 1907, Lander 1998, Loomis 1923, Schultz and Falkenbach 1950, Stevens and Stevens 2007, Tabrum and Nichols 2001 and Thorpe 1937
Sister taxa: Hypsiops latidens, Hypsiops rooneyi
Type specimens:
- Hypsiops brachymelis: AMNH 9731, a partial skeleton (A nearly complete skull with the mandible, the cervical and lumbar vertebrae, nine or ten dorsal vertebrae part of which are incomplete, and the greater portion). Its type locality is North Boulder Valley, which is in a Harrisonian terrestrial horizon in the Renova Formation of Montana.
- Ticholeptus breviceps: CM 1191, a partial skeleton (a skull, mandible, left humerus, left radius and ulna, right radius and part of the right humerus, a tibia, a fibula, a tarsus with two metatarsals, greater p). Its type locality is Woodin, which is in a Harrisonian terrestrial horizon in Montana.
- Ticholeptus petersoni: Its type locality is Van Tassel (Lower), which is in a Harrisonian terrestrial horizon in Wyoming.
Distribution:
• Miocene of United States (1: Oregon collection)
• Harrisonian of United States (5: Montana, Nebraska, Wyoming)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.