Tamias sonomae (Grinnell, 1915) . Univ. Calif. Publ. Zool., 12:321.

TYPE LOCALITY: U.S.A., California, Sonoma Co., 1 mi. (1.6 km) W. of Guerneville .

DISTRIBUTION: N.W. California, from San Francisco Bay north to Siskiyou Co. (U.S.A.).

ISIS NUMBER: 5301410002007015001 as Eutamias sonomae .