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 Aepeomys Thomas, 1898
             1 Aepeomys fuscatus J.A. Allen, 1912 see Handleyomys fuscatus (J.A. Allen, 1912)
             2 Aepeomys lugens Thomas, 1896