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Morphometric status of shrews of the Sorex caecutiens/shinto group in Japan

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Title: Morphometric status of shrews of the Sorex caecutiens/shinto group in Japan
Authors: Dokuchaev, Nikolai E. Browse this author
Ohdachi, Satoshi Browse this author →KAKEN DB
Abe, Hisashi Browse this author
Keywords: Sorex caecutiens
S. shinto
Issue Date: 1999
Publisher: Mammalogical Society of Japan
Journal Title: Mammal Study
Volume: 24
Issue: 2
Start Page: 67
End Page: 78
Publisher DOI: 10.3106/mammalstudy.24.67
Abstract: The morphometric relationships among five operational taxonomic units of the Sorex caecutiens/shinto group (Soricidae) (S. caecutiens of Hokkaido, S. shinto shinto of Honshu including the S. chouei holotype, S. s. shikokensis of Shikoku, and S. s. sadonis of Sado) in the Japanese Islands, were examined using uni- and multivariate analyses of 15 cranial, dental, and external characters. The morphological analyses showed that the shrew from Hokkaido (S. caecutiens) and those from Honshu, Shikoku, and Sado (S. shinto) were exclusively differentiated. In particular, the surface structure of the fourth upper premolar completely separated the two taxa. In contrast, S. s. sadonis from Sado could not be completely distinguished from related taxa from Honshu and Shikoku. Thus these morphometric analyses re-confirm that S. caecutiens of Hokkaido, and S. shinto from Honshu, Shikoku, and Sado, should be treated as two separate species, as has previously been proposed on the basis of a molecular phylogenetical study.
Type: article
Appears in Collections:低温科学研究所 (Institute of Low Temperature Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 大舘 智志

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