Phylum [Vertebrata] Lamarck, 1801 see Infraphylum Vertebrata Lamarck, 1801
   Class Mammalia Linnaeus, 1758 - mammals
     Subclass Theria Parker & Haswell, 1897
       Infraclass Eutheria Gill, 1872
         Cohort Epitheria McKenna, 1975
           Superorder Glires Linnaeus, 1758 see Grandorder Glires Linnaeus, 1758
             Order Rodentia Bowdich, 1821 - rodents
               Suborder Hystricognathi Tullberg, 1899 see Infraorder Hystricognathi Tullberg, 1899
                 Family Dinomyidae Peters, 1873 - pacarana
                   1 Genus †Telicomys Kraglievich, 1926