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    A new species of small-eared shrew in the Cryptotis thomasi species group from Costa Rica (Mammalia: Eulipotyphla: Soricidae)

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    Cryptotis monteverdensis Woodman & Timm 2017.pdf (1.001Mb)
    Issue Date
    2017-01
    Author
    Woodman, Neal
    Timm, Robert M.
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
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    Abstract
    We describe a new species of small-eared shrew, genus Cryptotis Pomel, 1848 (Eulipotyphla: Soricidae), from a single specimen found dead in 1973 near the community of Monteverde in the Tilarán highlands of northwestern Costa Rica in 1973. The new species is distinguished from all other North, Central, and South American species of Cryptotis by a combination of its large size; long tail; large, distinctly proportioned skull; lack of bulbous dentition; deep sigmoid notch on the mandible; and long, distinctive humerus. Morphologically, the new species belongs to the C. thomasi group of small-eared shrews, a clade that is more typically distributed in the Andes Cordillera and other highland regions of northern South America. The new Costa Rican species and the Panamanian endemic C. endersi Setzer, 1950 are the only two members of this species group known to occur in Central America. Like most other members of the C. thomasi group for which the postcranial skeleton has been studied, the new species tends be more ambulatory (rather than semi-fossorial) when compared with other members of the genus. Our survey efforts over several years failed to locate a population of the new species, and we discuss its conservation status in light of its limited potential distribution in the Tilarán highlands and the significant climatic change that has been documented in the Monteverde region during the past four decades.
    URI
    http://hdl.handle.net/1808/23211
    DOI
    https://doi.org/10.1007/s13364-016-0289-6
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    • Ecology & Evolutionary Biology Scholarly Works [1497]
    Citation
    Woodman, N. and R. M. Timm. 2017. A new species of small-eared shrew in the Cryptotis thomasi species group from Costa Rica (Mammalia: Eulipotyphla: Soricidae). Mammal Research 62(2):89–101.

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    KU Libraries
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    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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