Class [Mammalia] Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
       Subfamily Hesperomyinae Murray, 1866 - New-World mice and rats see 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