Noun | 1. | ![]() mammal genus - a genus of mammals Canidae, family Canidae - dogs; wolves; jackals; foxes Vulpes vulpes, red fox - the common Old World fox; having reddish-brown fur; commonly considered a single circumpolar species Vulpes fulva, red fox - New World fox; often considered the same species as the Old World fox kit fox, Vulpes macrotis - small grey fox of southwestern United States; may be a subspecies of Vulpes velox |