Class [Mammalia] Linnaeus, 1758 - mammals
Count: [*] 21o;132f;1061g;4316s; ‡1f;5g;38s
Order Rodentia Bowdich, 1821 - rodents
Count: [*] 29f;399g;1788s; ‡1g;16s
Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
Count: [*] 255g;1149s; ‡1g;16s
Subfamily Hesperomyinae Murray, 1866 - New-World mice and rats
see Subfamily Sigmodontinae Wagner, 1843
Count: [*] 68g;366s; ‡1g;7s
Genus Onychomys Baird, 1857 - grasshopper mice
Count: [*] 3s
Onychomys torridus (Coues, 1874) - southern grasshopper mouse
Count: -