Mammalia - Allotheria - Microcosmodontidae

Full reference: A. Weil. 1998. A new species of Microcosmodon (Mammalia: Multituberculata)from the Paleocene Tullock Formation of Montana, and an argument for the Microcosmodontinae. PaleoBios 18(2/3):1-15

Belongs to Microcosmodon according to A. Weil 1998

Sister taxa: Microcosmodon arcuatus, Microcosmodon conus, Microcosmodon rosei

Type specimen: Its type locality is Yellow Sand Hill 7, which is in a Puercan channel siltstone/sandstone in the Tullock Formation of Montana

Ecology: scansorial insectivore

Average measurements (in mm): m1 2.07 x 0.97