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
         1 Subfamily Capromyinae Smith, 1842 see Family Capromyidae Smith, 1842
         2 Subfamily ‡Hexolobodontinae Woods, 1989 see Family Capromyidae Smith, 1842
         3 Subfamily ‡Isolobodontinae Woods, 1989 see Family Capromyidae Smith, 1842
         4 Subfamily Plagiodontinae Ellerman, 1940 see Family Capromyidae Smith, 1842