Class Mammalia Linnaeus, 1758 - mammals
Count: 29o;11f;21g; ‡1f
   Subclass Theria Parker & Haswell, 1897
  Count: 28o;9f;21g; ‡1f
     Order Lagomorpha Brandt, 1855 - lagomorphs
    Count: [*] 2f;12g;91s;239ss; ‡1f;1g;1s
       Family Leporidae Batsch, 1788 - hares and rabbits
      Count: [*] 11g;61s;187ss
         Genus Sylvilagus Gray, 1867 - cottontails
        Count: [*] 17s;62ss
           Subgenus Sylvilagus Gray, 1867
          Count: [*] 9s;30ss
             Sylvilagus cognatus Nelson, 1907
            Count: -