United States: Divide Quarry (Middle Palaeocene), Croc Tooth Quarry (Late Palaeocene)

See also Phenacodus, Phenacodus bisonensis, Phenacodus grangeri, Phenacodus intermedius, Phenacodus lemoinei, Phenacodus matthewi, Phenacodus sp., Phenacodus teilhardi, Phenacodus vortmani