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Research Article

Evolutionary Patterns in the Dentition of Duplicidentata (Mammalia) and a Novel Trend in the Molarization of Premolars

  • Brian P. Kraatz mail,

    bkraatz@westernu.edu

    Affiliations: Department of Anatomy, Western University of Health Sciences, Pomona, California, United States of America, Division of Paleontology, American Museum of Natural History, New York, New York, United States of America

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  • Jin Meng,

    Affiliation: Division of Paleontology, American Museum of Natural History, New York, New York, United States of America

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  • Marcelo Weksler,

    Affiliation: Division of Paleontology, American Museum of Natural History, New York, New York, United States of America

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  • Chuankui Li

    Affiliation: Department of Vertebrate Paleontology, Institute of Vertebrate Paleontology and Paleoanthropology, Beijing, China

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  • Published: September 20, 2010
  • DOI: 10.1371/journal.pone.0012838
  • Published in PLOS ONE

About the Authors

Brian P. Kraatz
Department of Anatomy, Western University of Health Sciences, Pomona, California, United States of America
Brian P. Kraatz, Jin Meng, Marcelo Weksler
Division of Paleontology, American Museum of Natural History, New York, New York, United States of America
Chuankui Li
Department of Vertebrate Paleontology, Institute of Vertebrate Paleontology and Paleoanthropology, Beijing, China

Corresponding Author

Email: bkraatz@westernu.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JM. Performed the experiments: BPK. Analyzed the data: BPK JM MW CL. Wrote the paper: BPK. Collected and identified specimens: JM CL. Interpreted specimens: JM MW.