Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Infraclass Eutheria Gill, 1872
       Magnorder Boreoeutheria Springer & de Jong, 2001
         Superorder Euarchontoglires Murphy, Stanyon & O'Brien, 2001
           Order Lagomorpha Brandt, 1855 - lagomorphs
             1 Family Ochotonidae Thomas, 1897 - pikas
             2 Family ‡Prolagidae Gureev, 1964
             3 Family Leporidae Batsch, 1788 - hares and rabbits