Sorex tundrensis Merriam, 1900. Proc. Wash. Acad. Sci., 2: 16. TYPE LOCALITY: U.S.A., Alaska, St. Michael. DISTRIBUTION: Siberia, from the Pechora R. to Chukotka, south to the Altai Mtns.; Mongolia and N.E. China; Alaska (U.S.A.); Yukon, N.W. Northwest Territories (Canada). COMMENT: Youngman, 1975, Mammals of the Yukon Terr., Nat. Mus. Can. Publ. Zool., 10, provided evidence that tundrensis is specifically distinct from arcticus. Palearctic populations formerly referred to arcticus were referred to tundrensis by Junge et al., 1981, Abst. Tech. Pap., 61 st Ann. Meet., Am. Soc. Mamm., No. 45; see comments under arcticus. Kozlovskii, 1976, Zool. Zh „ 50:756-762 found irkutensis and sibiriensis to be karyotypically distinct.

Published as part of James H. Honacki, Kenneth E. Kinman & James W. Koeppl, 1982, Order Insectivora, pp. 58-106 in Mammal Species of the World (1 st Edition), Lawrence, Kansas, USA :Alien Press, Inc. & The Association of Systematics Collections on page 97, DOI: 10.5281/zenodo.7353001