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).