Abundance: 0.34 to 1.14%

Latitudinal range: 41.5° to 44.9°

Habitats: (2) only

Found in two samples

United States: Big Multi Quarry (Late Palaeocene), Y2K Quarry (Late Palaeocene)

See also Arctodontomys, Arctodontomys simplicidens, Arctodontomys wilsoni