Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Lagomorpha Brandt, 1855 - lagomorphs
       Family Leporidae Batsch, 1788 - hares and rabbits
         Genus Lepus Linnaeus, 1758 - hares
           Subgenus Lepus Linnaeus, 1758
             1 Lepus arcticus Ross, 1819 - Arctic hare
             2 Lepus othus Merriam, 1900 - Beringian hare
             3 Lepus timidus Linnaeus, 1758 - arctic hare