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    • 1. Paleontological Contributions (2009-present)
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    • Paleontological Institute
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    • 1. Paleontological Contributions (2009-present)
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    Skull of the Eocene primate Omomys carteri from western North America

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    Issue Date
    2010-06-21
    Author
    Burger, Benjamin J.
    Type
    Article
    Article Version
    Scholarly/refereed, author accepted manuscript
    Is part of series
    Paleontological Contributions;2
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    Abstract
    The description of a skull of the omomyid primate Omomys carteri from the middle Eocene Bridger Formation of southwestern Wyoming provides important new information relevant to our understanding of Eocene primate systematics and evolution. More specifically, Omomys carteri exhibits a long and wide nasal region and lacks the forward orientation of the orbits found in other omomyid primates. Furthermore, other features such as an unreduced cranial arterial system, primitive auditory bulla, expanded internal choanae, and an unreduced canine indicate that the cranium of Omomys carteri is primitive. Phylogenetic analysis of 52 cranial, 194 dental, and 56 postcranial characters, including the new characteristics of Omomys carteri discussed here, suggests that omomyiforms belong to a monophyletic tarsiiform clade exclusive of anthropoids. Anthropoids are still viewed as a sister group to tarsiiforms, forming a haplorhine clade, with an uncertain position for the problematic fossil primate Rooneyia. The reconstructed cranial anatomy of the haplorhine morphotype is more primitive than originally thought and likely exhibited many of the primitive traits featured in the skull of Omomys carteri.
    URI
    http://hdl.handle.net/1808/6360
    DOI
    https://doi.org/10.17161/PC.1808.6360
    ISSN
    1946-0279
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    • 1. Paleontological Contributions (2009-present) [32]

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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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