Latitudinal range: 42.9° to 49.7°

Found in 3 samples

Canada: Kealey Springs West (Late Eocene)

United States: Rabbit Graveyard (Green Marker Level) (Early Oligocene), Rabbit Graveyard (Lumpy Level) (Early Oligocene)

See also Heliscomys, Heliscomys sp., Heliscomys walshi