PaleoDB taxon number: 108849
Full reference: T. S. Kelly and W. W. Korth. 2005. A new species of Ansomys (Rodentia; Aplodontidae) from the late Hemingfordian (early Miocene) of northwestern Nevada. Paludicola 5(4):85-91
Type specimen: LACM 151454, a mandible (partial left dentary with m1-2). Its type locality is Massacre Lake RV-7043, which is in a Hemingfordian terrestrial horizon in Nevada.
Ecology: scansorial insectivore
Average measurements (in mm): m1 1.61 x 1.70, m2 1.57 x 1.74