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 Chelemys Thomas, 1903 - greater long-clawed mice
Chelemys macronyx (Thomas, 1894) - Andean long-clawed akodont