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 Romerolagus Merriam, 1896 - volcano rabbit
        Count: [*] 1s
           1 Romerolagus diazi (Ferrari-Pérez, in Diaz, 1893) - volcano rabbit
          Count: -