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 Andalgalomys Williams & Mares, 1978 see Genus Graomys Thomas, 1916
             1 Andalgalomys olrogi Williams & Mares, 1978 see Graomys olrogi
             2 Andalgalomys pearsoni Myers, 1977 see Graomys pearsoni