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 Scotinomys Thomas, 1913 - brown mice
           1 Scotinomys teguina Alston, 1876[1877] - Alston's brown mouse
           2 Scotinomys xerampelinus Bangs, 1902 - Chiriqui brown mouse