Order Rodentia - Family Sciuridae Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2 754 818 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Ammospermophilus harrisii subsp. harrisii Audubon and Bachman 1854 Ammospermophilus harrisii subsp. harrisii Audubon and Bachman 1854 , Viviparous Quadrupeds of North America, 3: 267 . Type Locality: Unknown. Restricted by Mearns (1896:444) to Santa Cruz Valley at the Mexican boundary, Santa Cruz Co., Arizona [ USA ].