Spermophilus (Ictidomys) spilosoma subsp. spilosoma Bennett 1833

Spermophilus (Ictidomys) spilosoma subsp. spilosoma Bennett 1833, Proc. Zool. Soc. Lond., 1833: 40.

Type Locality: "that part of California which adjoins to Mexico." Restricted by A. H. Howell (1938:122) to Durango [City], Durango, Mexico.