Class Mammalia Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Suborder Hystricognathi Tullberg, 1899 see Infraorder Hystricognathi Tullberg, 1899
       Family Capromyidae Smith, 1842 - hutias and nutria
         Subfamily Capromyinae Smith, 1842 see Family Capromyidae Smith, 1842
           Genus Mesocapromys Varona, 1970 see Genus Capromys Desmarest, 1822
             Mesocapromys nanus (G.M. Allen, 1917) see Capromys nanus G.M. Allen, 1917