Spermophilus annulatus Audubon and Bachman, 1842 . J. Acad. Nat. Sci. Philadelphia, 8:319.

TYPE LOCALITY: "Western prairies." Restricted by Howell (1938:163) to Manzanillo, Colima, Mexico .

DISTRIBUTION: Nayarit to N Guerrero (Mexico).

SYNONYMS: goldmani Merriam, 1902.

COMMENTS: Subgenus Notocitellus (Howell, 1938:162) or Otospermophilus (Hall, 1981:403) .