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 Urocyon Baird, 1857 - grey foxes
1 Urocyon cinereoargenteus (Schreber, 1775) - gray fox
2 Urocyon littoralis (Baird, 1858) - island fox