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Research Article

New Horned Dinosaurs from Utah Provide Evidence for Intracontinental Dinosaur Endemism

  • Scott D. Sampson mail,

    ssampson@umnh.utah.edu

    Affiliation: Utah Museum of Natural History and Department of Geology and Geophysics, University of Utah, Salt Lake City, Utah, United States of America

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  • Mark A. Loewen,

    Affiliation: Utah Museum of Natural History and Department of Geology and Geophysics, University of Utah, Salt Lake City, Utah, United States of America

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  • Andrew A. Farke,

    Affiliation: Raymond M. Alf Museum of Paleontology, Claremont, California, United States of America

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  • Eric M. Roberts,

    Affiliation: School of Earth and Environmental Science, James Cook University, Townsville, Queensland, Australia

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  • Catherine A. Forster,

    Affiliation: Department of Biological Sciences, George Washington University, Washington, D. C. United States of America

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  • Joshua A. Smith,

    Affiliation: Utah Museum of Natural History and Department of Geology and Geophysics, University of Utah, Salt Lake City, Utah, United States of America

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  • Alan L. Titus

    Affiliation: Grand Staircase-Escalante National Monument, Bureau of Land Management, Kanab, Utah, United States of America

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  • Published: September 22, 2010
  • DOI: 10.1371/journal.pone.0012292
  • Featured in PLOS Collections

About the Authors

Scott D. Sampson, Mark A. Loewen, Joshua A. Smith
Utah Museum of Natural History and Department of Geology and Geophysics, University of Utah, Salt Lake City, Utah, United States of America
Andrew A. Farke
Raymond M. Alf Museum of Paleontology, Claremont, California, United States of America
Eric M. Roberts
School of Earth and Environmental Science, James Cook University, Townsville, Queensland, Australia
Catherine A. Forster
Department of Biological Sciences, George Washington University, Washington, D. C. United States of America
Alan L. Titus
Grand Staircase-Escalante National Monument, Bureau of Land Management, Kanab, Utah, United States of America

Corresponding Author

Email: ssampson@umnh.utah.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SDS MAL AAF. Performed the experiments: SDS MAL AAF ER CF JS AT. Analyzed the data: SDS MAL AAF ER CF. Wrote the paper: SDS MAL AAF.