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SPECIES Sorex (Sorex) caecutiens

Author:Laxmann, 1785.
Actual Date:1788
Citation:Nova Acta Acad. Sci. Petropoli, 1785(3): 285.
Common Name:Laxmann's Shrew
Type Locality:Russia, Buryatskaya ASSR, SW shore of Lake Baikal (Pavlinov and Rossolimo, 1987:17).
Distribution:Taiga and tundra zones from E Europe to E Siberia, south to C Ukraine, N Kazakhstan, Altai Mtns, Mongolia, Gansu and NE China, Korea, Sakhalin, and Japan (Hokkaido).
Status:IUCN Lower Risk (lc).
Comments:Subgenus Sorex, S. caecutiens group. Karyotype has 2n = 42, FN = 68-70. This species still offers many unsolved problems, along with the species of the tundrensis and arcticus groups. Names like cansulus, granarius, and shinto have been included in caecutiens in the past but are presently included in other species or treated as separate species; see Hoffmann (1987) for a discussion of problems. The European range was reviewed by Sulkava (1990). Okhotina (1993) revised the subspecies taxonomy in the Far East; two of the names that she had proposed were replaced by Hutterer and Zaitsev (2004). Ohdachi et al. (2001) studied the mtDNA variation of the species and found distinct clusters in Hokkaido (= saevus) and Eurasian Far East.
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Synonyms:

    altaicus Ognev, 1922
    annexus Thomas, 1907
    araneoides Ognev, 1922
    buxtoni J. Allen, 1903
    caecutienoides Stroganov, 1967
    centralis Thomas, 1911
    insularis Okhotina, 1984
    insularis Okhotina, 1993
    karpinskii Dehnel, 1949
    koreni G. Allen, 1914
    kurilensis Okhotina, 1984
    lapponicus Melander, 1942
    longicaudatus Okhotina, 1984
    longicaudatus Okhotina, 1993
    macropygmaeus Miller, 1901
    orii Kuroda, 1933
    pleskei Ognev, 1922
    rozanovi Ognev, 1922
    saevus Thomas, 1907
    tasicus Ognev, 1933
    tungussensis Naumoff, 1933

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