United States: Wolf Ranch (Late Pliocene)

See also Spermophilus, Spermophilus dauricus, Spermophilus erythrogenys, Spermophilus jerae, Spermophilus major, Spermophilus pygmaeus, Spermophilus sp., Spermophilus superciliosus, Spermophilus tephrus, Spermophilus wellingtonensis, Spermophilus wilsoni