Latitudinal range: 44.9° to 49.6°

Found in 5 samples

Canada: Police Point (Middle Palaeocene)

United States: Gidley Quarry (Early Palaeocene), Silberling Quarry (Early Palaeocene), Rock Bench Quarry (Early Palaeocene), School Well (Early Palaeocene)

See also Paromomys depressidens, Paromomys maturus