Dipodomys spectabilis Merriam, 1890 . N. Am. Fauna, 4:46.

TYPE LOCALITY: U.S.A., Arizona, Cochise Co., Dos Cabezos .

DISTRIBUTION: San Luis Potosi (Mexico) to S.C. Arizona, N.W. New Mexico, N.E. Arizona, and W.C. Texas (U.S.A.).

COMMENT: Revised by Nader, 1978, Ill. Biol. Monogr., 49:1 -116, who included nelsoni; but also see Hall, 1981:581, and Matson, 1980, J. Mammal., 61: 563-566, who presented evidence of specific distinctness.

ISIS NUMBER: 5301410004001019001.