Sorex gracillimus Thomas, 1907. Proc. Zool. Soc. Lond., 1907:408.

TYPE LOCALITY: U.S. S. R., Siberia, Sakhalin Isl., Darine, 25 mi. (40 km) N.W. Korsakoff.

DISTRIBUTION: Southern shore of the Sea of Okhotsk to N. Korea; Sakhalin Isl.; Hokkaido (Japan); Kurile Isis. (U.S. S.R.); N.E. China.