Latitudinal range: 43.8° to 49.6°

Found in 4 samples

Canada: Southfork Quarry (Late Eocene)

United States: North Fork of Owl Creek (UW V-77026) (Middle Eocene), North Fork of Owl Creek (UW V-79004) (Middle Eocene), Antelope Creek (SDSM V582) (Late Eocene)

See also Colodon cingulatus, Colodon occidentalis, Colodon woodi