Class Mammalia Linnaeus, 1758 - mammals
Order Rodentia Bowdich, 1821 - rodents
Suborder Sciurognathi (Tullberg, 1899)
see Suborder Sciuromorpha Brandt, 1855
Family Heteromyidae Gray, 1868 - pocket mice, kangaroo rats, and kangaroo mice
Subfamily Perognathinae Coues, 1875
Genus Perognathus Wied-Neuwied, 1839 - silky pocket mice
Perognathus alticola Rhoads, 1894 - white-eared pocket mouse