Spermophilus (Xerospermophilus) tereticaudus Baird 1858
Spermophilus (Xerospermophilus) tereticaudus Baird 1858, Mammalia, in: Repts. U. S. Expl. Surv., Vol. 8, 1: 315.
Type Locality: [Old] "Fort Yuma" [Imperial Co., California, USA].
Vernacular Names: Round-tailed Ground Squirrel.
Subspecies::
Subspecies Spermophilus (Xerospermophilus) tereticaudus subsp. tereticaudus Baird 1858
Subspecies Spermophilus (Xerospermophilus) tereticaudus subsp. apricus Huey 1927
Subspecies Spermophilus (Xerospermophilus) tereticaudus subsp. chlorus Elliot 1904
Subspecies Spermophilus (Xerospermophilus) tereticaudus subsp. neglectus Merriam 1889
Distribution: Deserts of SE California, S Nevada, W Arizona (USA), NE Baja California and Sonora (Mexico).
Conservation: U.S. ESA – Candidate taxon as S. t. chlorus; IUCN – Data Deficient as S. t. chlorus, otherwise Lower Risk (lc).
Discussion: Subgenus Xerospermophilus (Hall, 1981:405) . Reviewed by Ernest and Mares (1987, Mammalian Species No. 274). See also mohavensis .