New discovery of a large-sized Tetraconodon (Artiodactyla, Suidae) from the lower part of the Irrawaddy Formation, Myanmar

機関リポジトリ
  • Chit-Sein
    Department of Geology, Hinthada University, Hinthada, Myanmar
  • Thaung-Htike
    Primate Research Institute, Kyoto University, Inuyama, Aichi 484-8506, Japan
  • ツバモト タケヒサ
    Primate Research Institute, Kyoto University, Inuyama, Aichi 484-8506, Japan; Center for Paleobiological Research, Hayashibara Biochemical Laboratories, Inc., Okayama 700-0907, Japan
  • Tin-Thein
    Department of Geology, University of Yangon, Yangon, Myanmar
  • Rössner Gertrud E.
    Department of Earth and Environmental Sciences, Paleontology Section, and GeobioCenter, Ludwig-Maximilians-University Munich, 80333 Munich, Germany

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抄録

New fossil dentitions of a large-sized Tetraconodon (Mammalia, Artiodactyla, Suidae) were discovered from the lower part of the Irrawaddy Formation, Migyaungye Township, Magway Division, central Myanmar. These specimens are the largest among the Tetraconodon specimens ever found in Myanmar. The molar dimensions of these specimens are similar with those of Tetraconodon magnus but are smaller in the dimensions of last two premolars than T. magnus. Therefore, we assigned these specimens as Tetraconodon sp. cf. T. magnus. The occurrence of a large Tetraconodon confirms an Upper Miocene age for the lower part of the Irrawaddy Formation.

収録刊行物

  • Asian paleoprimatology

    Asian paleoprimatology (4), 186-196, 2006

    Primate Research Institute, Kyoto University

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