New species of large Tetraconodon (Mammalia, Artiodactyla, Suidae) from the late Miocene of Myanmar
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概要
- 論文の詳細を見る
We describe two new species of Tetraconodon, T. irramagnus sp. nov. and T. irramedius sp. nov., from the late Miocene of Myanmar recognized when reevaluating large Tetraconodon specimens. Tetraconodon had also been recovered from the late Miocene Siwalik sediments of India/Pakistan. However, in the Siwalik specimens, the dimensions of the last two premolars and the third molar with respect to those of the first molar are distinctly greater than those of the Myanmar specimens. In Myamnar species, the relative dental sizes are similar, and the most obvious interspecies distinctions are their dental size differences. Considering the variation in the relative sizes of the last two premolars and third molar with respect to the first molar among the Siwalik and Myanmar Tetraconodon, the enlargement of the last two premolars and the third molar could be regarded as a characteristic of the interspecies distinction.
- 日本古生物学会の論文
- 2007-12-31
著者
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鍔本 武久
京都大学霊長類研究所
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鍔本 武久
京都大学・霊長類研究所
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高井 正成
日本モンキーセンター
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高井 正成
京都大学
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高井 正成
Primate Institute Of Kyoto University
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Egi Naoko
Kyoto Univ. Aichi Jpn
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Egi Naoko
Primate Research Institute Kyoto University
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HTIKE THAUNG
Primate Research Institute, Kyoto University
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SEIN CHIT
Department of Geology, Hinthada University
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TAKAI MASANARU
Primate Research Institute, Kyoto University
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TSUBAMOTO TAKEHISA
Center for Paleobiological Research, Hayashibara Biochemical Laboratories, Inc.
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THEIN ZIN-MAUNG-MAUNG
Primate Research Institute, Kyoto University
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MAUNG MAUNG
Department of Geology, Loikaw University
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Maung Maung
Primate Research Institute Kyoto University
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Chit Sein
Department Of Geology Hinthada University
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Thaung Htike
Primate Research Institute Kyoto University:department Of Geology Shwebo Degree College
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Takai Masanaru
Primate Research Institute Kyoto University
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Takai Masanaru
Kyoto University Primate Research Institute
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Takai Masanaru
Kyoto Univ. Aichi Jpn
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Tsubamoto Takehisa
Center For Paleobiological Research Hayashibara Biochemical Laboratories Inc.
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Tsubamoto Takehisa
Hayashibara Biochemical Lab. Inc. Okayama Jpn
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Tsubamoto Takehisa
Department Of Geology And Mineralogy Graduate School Of Science Kyoto University
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