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Research Article

Tyrant Dinosaur Evolution Tracks the Rise and Fall of Late Cretaceous Oceans

  • Mark A. Loewen mail,

    mloewen@nhmu.utah.edu

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

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  • Randall B. Irmis,

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

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  • Joseph J. W. Sertich,

    Affiliation: Department of Earth Sciences, Denver Museum of Nature & Science, Denver, Colorado, United States of America

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  • Philip J. Currie,

    Affiliation: Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada

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  • Scott D. Sampson

    Affiliations: Natural History Museum of Utah and Department of Geology & Geophysics, University of Utah, Salt Lake City, Utah, United States of America, Department of Earth Sciences, Denver Museum of Nature & Science, Denver, Colorado, United States of America

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  • Published: November 06, 2013
  • DOI: 10.1371/journal.pone.0079420
  • Featured in PLOS Collections

About the Authors

Mark A. Loewen, Randall B. Irmis, Scott D. Sampson
Natural History Museum of Utah and Department of Geology & Geophysics, University of Utah, Salt Lake City, Utah, United States of America
Joseph J. W. Sertich, Scott D. Sampson
Department of Earth Sciences, Denver Museum of Nature & Science, Denver, Colorado, United States of America
Philip J. Currie
Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada

Corresponding Author

Email: mloewen@nhmu.utah.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MAL. Performed the experiments: MAL RBI JJWS PJC SDS. Analyzed the data: MAL RBI JJWS PJC SDS. Wrote the paper: MAL RBI JJWS. Scored characters for taxa in the phylogenetic analysis: MAL RBI JJWS. Conducted the biogeographic analysis: MAL RBI.