Latitudinal range: 46.2° to 51.1°

Found in 4 samples

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

United States: Gidley Quarry (Early Palaeocene), Silberling Quarry (Early Palaeocene)

See also Prothryptacodon albertensis, Prothryptacodon furens