Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Carnivora Bowdich, 1821 - carnivores
       Suborder Caniformia Kretzoi, 1943
         Family Mephitidae Bonaparte, 1845
           Genus Conepatus Gray, 1837 - hog-nosed skunks
             Conepatus humboldtii Gray, 1837 - Humboldt's hog-nosed skunk
               1 [Conepatus humboldtii humboldtii] Gray, 1837
               2 Conepatus humboldtii castaneus (d'Orbigny & Gervais, 1847)
               3 Conepatus humboldtii proteus Thomas, 1902