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    The first occurrence of a toxodont (Mammalia, Notoungulata) in the United States

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    Lundelius_et_al_2013.pdf (225.7Kb)
    Issue Date
    2013-01-08
    Author
    Lundelius, Ernest
    Bryant, Vaughn M.
    Mandel, Rolfe
    Thies, Kenneth J.
    Thoms, Alston
    Publisher
    Society of Vertebrate Paleontology
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
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    Abstract
    Toxodonts were a group of large-sized notoungulates of South American origin. They were diverse and widespread in South America in deposits ranging in age from late Oligocene to late Pleistocene. Sparse remains have been found from the Pleistocene of isolated regions of Central America. All of the Central American specimens have been referred to the genus Mixotoxodon (Van Frank, 1950). They were not previously known north of the southern Mexican states of Michoacan and Veracruz, except for an unconfirmed report of an occurrence in Tamaulipas (Arroyo-Cabrales et al., 2010). Here we report the occurrence of a single toxodont tooth, a left upper third molar, from late Pleistocene deposits in Harris County, Texas (30◦N). This is the first record of toxodonts, or any notoungulate, in the United States and extends the geographic range of this group 1600 km north of their previously known localities at Hihuitlán, Michoacan (18◦52' 3"0 N, 103◦24' 14 "W) and La Estribera, Veracruz (18◦07 '01.27" N, 94◦53 '15.59W) (Polaco et al., 2004) to latitude 30◦N.
    Description
    This is the publisher's version, also available electronically from http://www.tandfonline.com/doi/abs/10.1080/02724634.2012.711405#.U1qJK4UvDGJ.
    URI
    http://hdl.handle.net/1808/13587
    DOI
    https://doi.org/10.1080/02724634.2012.711405
    Collections
    • Anthropology Scholarly Works [206]
    • Distinguished Professors Scholarly Works [918]
    Citation
    Ernest L. Lundelius Jr., Vaughn M. Bryant, Rolfe Mandel, Kenneth J. Thies & Alston Thoms. 2013. "The first occurrence of a toxodont (Mammalia, Notoungulata) in the United States." Journal of Vertebrate Paleontology 33(1):229-232. http://www.dx.doi.org/10.1080/02724634.2012.711405

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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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