Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Mammalia Linnaeus, 1758 - mammals
               Subclass Eutheria Gill, 1872 see Infraclass Eutheria Gill, 1872
                 Order Rodentia Bowdich, 1821 - rodents
                   Suborder Caviomorpha Wood & Patterson, 1955 see Parvorder Caviomorpha Wood & Patterson, 1955
                     Superfamily Octodontoidea Waterhouse, 1839
                       Family Capromyidae Smith, 1842 - hutias and nutria
                         Genus Plagiodontia Cuvier, 1836 - Hispaniolan hutias
                           Plagiodontia aedium F. Cuvier, 1836 - Hispaniolan hutia
                           ‡Plagiodontia ipnaeum Johnson, 1948
                           †Plagiodontia spelaeum Miller, 1929 see Plagiodontia aedium F. Cuvier, 1836