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A new species of Congosorex from the Eastern Arc Mountains, Tanzania, with significant biogeographical implications

Published online by Cambridge University Press:  22 February 2005

W. T. Stanley ,
M. A. Rogers  and
R. Hutterer
W. T. Stanley
Affiliation:
Department of Zoology, Field Museum of Natural History, 1400 S Lakeshore Drive, Chicago, Illinois, 60605, U.S.A.
M. A. Rogers
Affiliation:
Department of Zoology, Field Museum of Natural History, 1400 S Lakeshore Drive, Chicago, Illinois, 60605, U.S.A.
R. Hutterer
Affiliation:
Zoologisches Forschungsinstitut und Museum Alexander Koenig, Adenauerallee 160, D-53113 Bonn, Germany Field Museum of Natural History, Chicago, Illinois, U.S.A.
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Abstract

A new species of Congosorex is described. The new species occurs in Tanzania and is larger in external characteristics than the other two known species in the genus, with the longer tail being especially distinctive. The skull of the new species is wider, on average, than other Congosorex, but intermediate in greatest length. Previously undocumented characteristics that differentiate Congosorex from Myosorex are described. The presence of Congosorex in the Eastern Arc Mountains supports the theory that these mountains are refuges of ancient lineages of organisms with ties to the Guineo-Congolian region of Africa and that there was once a continuous swath of forest connecting these two areas.

Keywords

CongosorexshrewsEastern Arc MountainsTanzaniabiogeography
Type
Research Article
Information
Journal of Zoology , Volume 265 , Issue 3 , March 2005 , pp. 269 - 280
Copyright
© 2005 The Zoological Society of London

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