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

TYPE LOCALITY: USA, Arizona, Cochise Co., Dos Cabezos .

DISTRIBUTION: SC Arizona, New Mexico, W Texas (USA) south to N Sonora, Chihuahua and San Luis Potosi (Mexico).

SYNONYMS: baileyi Goldman, clarencei Goldman, cratodon Merriam, intermedius Nader, perblandus Goldman, zygomaticus Goldman.

COMMENTS: Revised by Nader (1978) who included nelsoni; but also see Anderson (1972), Matson (1980), and Hall (1981:581), who presented evidence of specific distinctness. Reviewed by Best (1988a, Mammalian Species, 311).