Abundance: 0.15 to 1.45% (median 0.23%)

Latitudinal range: 38.7° to 67.8°

Habitats: (3) only

Found in 3 samples

Canada: Old Crow River Loc. 11A (square S30E120) (Late Pleistocene)

United States: Prairie Creek (Zone D) (Late Pleistocene), Prairie Creek (Zone C) (Pleistocene - Holocene)

See also Synaptomys, Synaptomys australis, Synaptomys borealis, Synaptomys cooperi