Mammalia - Procreodi - Arctocyonidae
Parent taxon: Procreodi according to M. C. McKenna and D. L. Lofgren 2003
See also Archibald 1998, Carroll 1988, Cope 1880, Cope 1880, Cope 1889, Flower and Lydekker 1891, Gazin 1969, Hay 1902, Hay 1930, Hooker and Millbank 2001, Kielan-Jaworowska et al. 1979, Kielan-Jaworowska et al. 2004, Rose et al. 2012, Savage 1965, Scott et al. 2002, Sloan and Van Valen 1965, Tabuce et al. 2011 and Thewissen et al. 2001
Sister taxa: Prolatidens, Quettacyonidae
Subtaxa: Anacodon Aphanocyon Arctocyon Arctocyonides Arctocyoninae Baioconodon Carcinodon Chriacus Claenodon Colpoclaenus Deuterogonodon Heteroborus Hyodectes Karakia Lambertocyon Landenodon Loxolophinae Loxolophus Maiorana Mentoclaenodon Mimatuta Mimotricentes Oxyclaenus Oxyprimus Oxytomodon Paratriisodon Princetonia Protungulatum Sigynorum Thryptacodon
Type: Arctocyon
Ecology: ground dwelling omnivore
Distribution:
• Eocene of Belgium (2 collections), Canada (1: Northwest Territories), China (1), France (1), India (1), Pakistan (1), the United Kingdom (5), United States (142: Colorado, New Mexico, Wyoming)
• Cf2 of United States (1: Wyoming)
• Clarkforkian of United States (46: Colorado, Montana, Wyoming)
• Paleocene of Belgium (1), Canada (25: Alberta, Saskatchewan), France (5), Germany (1), Morocco (2), the United Kingdom (1), United States (330: California, Colorado, Maryland, Montana, New Mexico, North Dakota, Texas, Utah, Wyoming)
• Cretaceous of United States (4: Montana, Wyoming)
Total: 570 collections including 899 occurrences