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Variation in the myosoricine hand skeleton and its implications for locomotory behavior (Eulipotyphla: Soricidae)

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dc.contributor.author Woodman, Neal en
dc.contributor.author Stabile, Frank A. en
dc.date.accessioned 2015-04-20T15:15:50Z
dc.date.available 2015-04-20T15:15:50Z
dc.date.issued 2015
dc.identifier.citation Woodman, Neal and Stabile, Frank A. 2015. "<a href="https%3A%2F%2Frepository.si.edu%2Fhandle%2F10088%2F25583">Variation in the myosoricine hand skeleton and its implications for locomotory behavior (Eulipotyphla: Soricidae)</a>." <em>Journal of mammalogy</em>. 96 (1):159&ndash;171. <a href="https://doi.org/10.1093/jmammal/gyu017">https://doi.org/10.1093/jmammal/gyu017</a> en
dc.identifier.issn 0022-2372
dc.identifier.uri http://hdl.handle.net/10088/25583
dc.description.abstract Substrate use and locomotory behavior of mammals are typically reflected in external characteristics of the forefeet, such as the relative proportions of the digits and claws. Although skeletal anatomy of the forefeet can be more informative than external characters, skeletons remain rare in systematic collections. This is particularly true for the Myosoricinae (Eulipotyphla: Soricidae), a small clade of African shrews that includes both ambulatory forest shrews (Myosorex) and semifossorial mole shrews (Surdisorex). Most species in this subfamily have restricted distributions, and their behavior and ecology are mostly unstudied. To better understand the potential range of locomotory behavior among myosoricines, we used digital x-rays to image and facilitate measuring the forefoot skeletons of 9 species. As a gauge of potential variation, we compared them with the ambulatory talpid Uropsilus (Talpidae) and the semifossorial talpid Neurotrichus. The hand morphologies of myosoricines show a graded range of potential substrate use between ambulatory and semifossorial. Some of these shrews exhibit adaptations for increased burrowing efficiency that are similar to those seen in talpids and other mammals, such as longer, broader distal phalanges and claws and shorter, wider metacarpals and proximal and middle phalanges. They also, however, have characteristics that are distinct from talpids, such as maintenance of forefoot asymmetry and an increased emphasis of ray III. en
dc.relation.ispartof Journal of mammalogy en
dc.title Variation in the myosoricine hand skeleton and its implications for locomotory behavior (Eulipotyphla: Soricidae) en
dc.type Journal Article en
dc.identifier.srbnumber 135528
dc.identifier.doi 10.1093/jmammal/gyu017
rft.jtitle Journal of mammalogy
rft.volume 96
rft.issue 1
rft.spage 159
rft.epage 171
dc.description.SIUnit NH-Vertebrate Zoology en
dc.description.SIUnit NMNH en
dc.description.SIUnit Peer-reviewed en
dc.citation.spage 159
dc.citation.epage 171


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