_Dipodomys spectabilis spectabilis_ is found in southeastern Arizona, in
northwestern, central, and southern New Mexico, in extreme western
Texas, in northern Sonora, and in northern and central Chihuahua (Fig.
1). A subspecies, _D. s. cratodon_ Merriam, has been described from
Chicalote, Aguas Calientes, Mexico, the geographic range of which lies
in central Mexico in portions of the States of Zacatecas, San Luis
Potosi, and Aguas Calientes.