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 Heteromyidae Gray, 1868 - pocket mice, kangaroo rats, and kangaroo mice Count: [*] 6g;60s Genus Chaetodipus Merriam, 1889 - coarse-haired pocket mice Count: [*] 9s Chaetodipus nelsoni (Merriam, 1894) - Nelson's pocket mouse Count: -