Perognathus
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| Noun | 1. |  Perognathus - pocket mice mammal genus - a genus of mammals family Heteromyidae, Heteromyidae - small New World burrowing mouselike rodents with fur-lined cheek pouches and hind limbs and tail adapted to leaping; adapted to desert conditions: pocket mice; kangaroo mice; kangaroo rats Perognathus flavus, silky pocket mouse - small pale yellowish soft-furred rodent of southwestern United States and Mexico Perognathus flavescens, plains pocket mouse - small rodent of open areas of United States plains states hispid pocket mouse, Perognathus hispidus - large stiff-haired rodent of shortgrass prairies of United States |