†subfamily Palaeonictinae Denison 1938 (creodont)
Mammalia - Creodonta - Oxyaenidae
Parent taxon: Oxyaenidae according to S. G. B. Chester et al. 2010
See also Van Valen 1967
Sister taxa: Dipsalidictis, Dipsalodon, Dormaalodon, Galethylax, Machaeroides, Machaeroidinae, Oxyaeninae, Sarkastodon, Tytthaena
Subtaxa: Ambloctonus Palaeonictis
Ecology: ground dwelling carnivore
Distribution:
• Eocene of Belgium (2 collections), Canada (2: Northwest Territories), France (5), the United Kingdom (2), United States (30: New Mexico, Wyoming)
• Paleocene of United States (8: Colorado, Wyoming)
Total: 49 collections including 50 occurrences