Class Mammalia Linnaeus, 1758 - mammals
Subclass Theria Parker & Haswell, 1897
Order Carnivora Bowdich, 1821 - carnivores
Suborder Caniformia Kretzoi, 1943
Family Mustelidae Batsch, 1788 - weasels, badgers, skunks, and otters
Subfamily Mustelinae Batsch, 1788 - weasels
Genus Martes Pinel, 1792 - martens, fisher, and sable
Martes pennanti (Erxleben, 1777) - fisher
1 [Martes pennanti pennanti] (Erxleben, 1777)
2 Martes pennanti columbiana Goldman, 1935
3 Martes pennanti pacifica Rhoads, 1898