Class Mammalia Linnaeus, 1758 - mammals
Subclass Theria Parker & Haswell, 1897
Order Carnivora Bowdich, 1821 - carnivores
Suborder Caniformia Kretzoi, 1943
Family Canidae Batsch, 1788 - dogs, wolves, coyotes, jackals, and foxes
Genus Vulpes Frisch, 1775 - foxes
Vulpes lagopus (Linnaeus, 1758) - arctic fox
Vulpes lagopus pribilofensis Merriam, 1902