Spermophilus (Xerospermophilus) tereticaudus subsp. tereticaudus Baird 1858

Spermophilus (Xerospermophilus) tereticaudus subsp. tereticaudus Baird 1858, Mammalia, in: Repts. U. S. Expl. Surv., Vol. 8, 1: 315.

Type Locality: [Old] "Fort Yuma" [Imperial Co., California, USA].

Synonyms: Spermophilus (Xerospermophilus) tereticaudus subsp. eremonomus (Elliot 1904); Spermophilus (Xerospermophilus) tereticaudus subsp. vociferans (Huey 1926) .