Order Rodentia - Family Sciuridae Author Robert S. Hoffmann Author Charles G. Anderson text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 419 465 book chapter http://doi.org/10.5281/zenodo.7353130 1-56098-217-9 7353130 Ammospermophilus nelsoni (Merriam, 1893) . Proc. Biol. Soc. Washington , 8:129 . TYPE LOCALITY: "Tipton, San Joachin Valley, [Tulare Co.], California [ USA ]." DISTRIBUTION: San Joaquin Valley (S California , USA ). STATUS: May now be restricted to southern half of its former range (Hafner, 1981). SYNONYMS: amplus Taylor, 1916. COMMENTS: Most closely related to interpres (Hafner, 1981) . Reviewed by Best et al. (19904, Mammalian Species, 367).