Museum, University of Nebraska State

 

Title

KARYOTYPIC RELATIONSHIPS WITHIN THE SHORT-TAILED SHREWS, GENUS BLARINA

Date of this Version

November 1982

Comments

Published in J. Mamm., 63(4):639-645, 1982. Copyright © 1982 The American Society of Mammalogists. Used by permission.

Abstract

Short-tailed shrews of the genus Blarina exhibit considerable geographic variation in both diploid number and fundamental number. Four chromosomal groups are recognized within the genus: Blarina brevicauda, FN = 48; 2N = 50, 49, or 48; B. carolinensis, FN = 45 or 44; 2N = 46, 39, 38, or 37; B. c. peninsulae, FN = 52; 2N = 52, 51, or 50; B. hylophaga, FN = 62, 61, or 60; 2N = 52. B. c. peninsulae also may be a distinct species, but exact determination must await location and analysis of a zone of contact with B. carolinensis.

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