Sorex trowbridgii Baird, 1858 . Mammals, in Repts. Expl. Surv ...., 8(1): 13.

TYPE LOCALITY: U.S.A., Oregon, Clatsop Co., Astoria, mouth of the Columbia River .

DISTRIBUTION: Coastal ranges from Washington to California (U.S.A.); S.W. British Columbia (Canada).

ISIS NUMBER: 5301403007018038001.