Spermophilus variegatus (Erxleben, 1777) . Syst. Regn. Anim., 1:421.

TYPE LOCALITY: Mexico, Distrito Federal, Valley of Mexico, near Mexico City .

DISTRIBUTION: S. Nevada to S.W. Texas and Utah (U.S.A.) to Puebla (C. Mexico).

COMMENT: Subgenus Otospermophilus; see Hall, 1981:399. Gromov et al., 1965: 145, considered Otospermophilus a distinct genus. Nelson, 1898, Science, n.s., 8:897, fixed the type locality.

ISIS NUMBER: 5301410002032029001.