†Ansomys hepburnensis Hopkins 2004

Hopkins 2004. Phylogeny and biogeography of the genus Ansomys Qiu, 1987 (Mammalia: Rodentia: Aplodontidae) and description of a new species from the Barstovian (Mid-Miocene) of Montana. Journal of Paleontology, 78(4), July 2004: 731-740