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 Habromys Hooper & Musser, 1964 - crested-tailed deer mice and slender-tailed deer mice
           1 Habromys chinanteco Robertson & Musser, 1976
           2 Habromys lepturus Merriam, 1898
           3 Habromys lophurus Osgood, 1904 - crested-tailed mouse
           4 Habromys simulatus Osgood, 1904 - Jico deer mouse