Mammalia - Artiodactyla - Merycoidodontidae

Alternative combinations: Submerycochoerus bannackensis, Ticholeptus bannackensis

Synonyms: Pseudomesoreodon boulderensis Schultz and Falkenbach 1950, Pseudomesoreodon rolli Schultz and Falkenbach 1950

Belongs to Hypsiops according to A. R. Tabrum and R. Nichols 2001

Sister taxon: Hypsiops breviceps

Type specimens:

• Hypsiops bannackensis: Its type locality is Grasshopper Creek, which is in a Harrisonian terrestrial horizon in Montana
• Pseudomesoreodon boulderensis:
• Pseudomesoreodon rolli: Its type locality is North Boulder Valley, which is in a Harrisonian terrestrial horizon in the Renova Formation of Montana.

Average measurements (in mm): m1 17.9 x 12.0