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 Lycalopex Burmeister, 1854 - hoary fox
             1 Lycalopex culpaeus (Molina, 1782) - culpeo
             2 Lycalopex fulvipes (Martin, 1837) - Darwin's fox
             3 Lycalopex griseus (Gray, 1837) - South American gray fox
             4 Lycalopex gymnocercus (Fischer, 1814) - pampas fox
             5 Lycalopex sechurae Thomas, 1900 - Sechuran fox
             6 Lycalopex vetulus (Lund, 1842) - hoary fox