Mammalia - Theriiformes - Hyopsodontidae

Full reference: C. L. Gazin. 1956. Palaeocene mammalian faunas of the Bison Basin in south-central Wyoming. Smithsonian Miscellaneous Collections 131(6):1-57

Belongs to Promioclaenus according to C. L. Gazin 1956

Sister taxa: Promioclaenus acolytus, Promioclaenus gandaensis, Promioclaenus lemuroides, Promioclaenus siurenensis, Promioclaenus thnetus

Type specimen: USNM 20571, a mandible. Its type locality is Saddle, which is in a Tiffanian terrestrial horizon in Wyoming.

Ecology: scansorial omnivore

Average measurements (in mm): m1 4.10 x 3.40