Latitudinal range: 44.9° to 51.1°

Found in 9 samples

Canada: Burr (Early Palaeocene), Narcissus (Early Palaeocene), Who Nose (Early Palaeocene)

United States: Purgatory Hill (Early Palaeocene), Gidley Quarry (Early Palaeocene), Silberling Quarry (Early Palaeocene), Rock Bench Quarry (Early Palaeocene), Hiatt (Early Palaeocene), Hiatt South (Early Palaeocene)

See also Stygimys jepseni, Stygimys sp.