Perognathus penicillatus Woodhouse, 1852 . Proc. Acad. Nat. Sci. Phila., 6:200.

TYPE LOCALITY: U.S.A., Arizona, Yuma Co., 1 mi. (1.6 km) S.W. Parker .

DISTRIBUTION: S.E. California and S. Nevada (U.S.A.) to San Luis Potosi (Mexico).

COMMENT: Revised by Hoffmeister and Lee, 1967, J. Mammal., 48:361-380.

ISIS NUMBER: 5301410004005023001.