Class Mammalia Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Suborder Sciurognathi (Tullberg, 1899) see Suborder Sciuromorpha Brandt, 1855
       Family Heteromyidae Gray, 1868 - pocket mice, kangaroo rats, and kangaroo mice
         Subfamily Heteromyinae Gray, 1868 - pocket mice, kangaroo rats, and kangaroo mice
           Genus Heteromys Desmarest, 1817 - forest spiny pocket mice
             Heteromys gaumeri J. A. Allen & Chapman, 1897 - Gaumer's spiny pocket mouse