Class Mammalia Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Suborder Sciurognathi (Tullberg, 1899) see Suborder Sciuromorpha Brandt, 1855
       Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
         Subfamily Sigmodontinae Wagner, 1843
           Genus Oxymycterus Waterhouse, 1837 - burrowing mice
             01 Oxymycterus akodontius Thomas, 1921
             02 Oxymycterus angularis Thomas, 1909
             03 Oxymycterus delator Thomas, 1903
             04 Oxymycterus hiska Hinojosa, Anderson, & Patton, 1987
             05 Oxymycterus hispidus Pictet, 1843
             06 Oxymycterus hucucha Hinojosa, Anderson, & Patton, 1987
             07 Oxymycterus iheringi Thomas, 1896 see Brucepattersonius iheringi (Thomas, 1896)
             08 Oxymycterus inca Thomas, 1900
             09 Oxymycterus nasutus Waterhouse, 1837
             10 Oxymycterus paramensis Thomas, 1902
             11 Oxymycterus roberti Thomas, 1901
             12 Oxymycterus rufus Fischer, 1814