mammal genus - a genus of mammals

family Mustelidae, Mustelidae - weasels; polecats; ferrets; minks; fishers; otters; badgers; skunks; wolverines; martens

weasel - small carnivorous mammal with short legs and elongated body and neck

mink - slender-bodied semiaquatic mammal having partially webbed feet; valued for its fur

fitch, foulmart, foumart, Mustela putorius, polecat - dark brown mustelid of woodlands of Eurasia that gives off an unpleasant odor when threatened

black-footed ferret, ferret, Mustela nigripes - ferret of prairie regions of United States; nearly extinct