| 缅甸始新世邦唐组一新的石炭兽类偶蹄类动物(英文) |
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| 引用本文： | 锷本武久,ZIN-MAUNG-MAUNG-THEIN,江木直子,西村刚,THAUNG-HTIKE,高井正成. 缅甸始新世邦唐组一新的石炭兽类偶蹄类动物(英文)[J]. 古脊椎动物学报, 2011, 49(1): 85-113 |
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| 作者姓名： | 锷本武久 ZIN-MAUNG-MAUNG-THEIN 江木直子 西村刚 THAUNG-HTIKE 高井正成 |
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| 作者单位： | 锷本武久,TSUBAMOTO Takehisa(日本株式会社林原生物化学研究所古生物学研究中心,冈山,700-0907);ZIN-MAUNG-MAUNG-THEIN,ZIN-MAUNG-MAUNG-THEIN(日木京都大学灵长类研究所,犬山,484-8506;缅甸曼德勒大学地质学系,曼德勒);江木直子,西村刚,高井正成,EGI Naoko,NISHIMURA Takeshi,TAKAI Masanaru(日木京都大学灵长类研究所,犬山,484-8506);THAUNG-HTIKE,THAUNG-HTIKE(缅甸瑞冒学位学院地质学系,瑞冒) |
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| 摘 要： | 描述了缅甸中始新统上部邦唐组发现的一种新的丘齿形石炭兽Myaingtherium kenyapotamoidesgen.et sp.nov.。标本为破碎的上下颌骨。Myaingtherium是一种基干石炭兽类,其大小和基本形态可以与邦唐一种小的石炭兽Anthracokeryx tenuis相对比。然而,Myaingtheri-um因具有更丘型化的齿列而与Anthracotherium和Anthracohyus在牙齿形态上更相似。在丘型齿石炭兽类中,Myaingtherium以臼齿前小尖非常退化为特点。Myaingtherium的一些牙齿特征,如具有退化的臼齿前小尖的丘型齿列和下臼齿上具有一个中间附尖,与Kenyapotaminae(最原始的化石河马)以及非洲中新世类似河马的石炭兽Kulutherium的牙齿特征相似,暗示Myaingtherium在谱系上可能与Kenyapotaminae有关。尽管需要更多的证据来检验Myaingthe-rium的谱系关系,但这个发现强化了邦唐石炭兽类在检验和理解河马-石炭兽支系的谱系关系和早期演化方面的重要性。
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| 关 键 词： | 缅甸 始新世 邦唐组 偶蹄目 石炭兽科 Myaingtherium |
A NEW ANTHRACOTHERIID ARTIODACTYL FROM THE EOCENE PONDAUNG FORMATION OF MYANMAR |
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| TSUBAMOTO Takehisa,ZIN-MAUNG-MAUNG-THEIN,EGI Naoko,NISHIMURA Takeshi,THAUNG-HTIKE,TAKAI Masanaru. A NEW ANTHRACOTHERIID ARTIODACTYL FROM THE EOCENE PONDAUNG FORMATION OF MYANMAR[J]. Vertebrata Palasiatica, 2011, 49(1): 85-113 |
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| Authors: | TSUBAMOTO Takehisa ZIN-MAUNG-MAUNG-THEIN EGI Naoko NISHIMURA Takeshi THAUNG-HTIKE TAKAI Masanaru |
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| Affiliation: | TSUBAMOTO Takehisa1 ZIN-MAUNG-MAUNG-THEIN2,3 EGI Naoko2NISHIMURA Takeshi2 THAUNG-HTIKE4 TAKAI Masanaru2(1 Center for Paleobiological Research,Hayashibara Biochemical Laboratories,Inc. Okayama 700-0907,Japan )(2 Primate Research Institute,Kyoto University Inuyama 484-8506,Japan)(3 Department of Geology,University of Mandalay Mandalay,Myanmar)(4 Department of Geology,Shwebo Degree College Shwebo,Myanmar) |
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| Abstract: | We describe a new bunodont anthracothere(Mammalia;Artiodactyla),Myaingtherium kenyapotamoides gen.et sp.nov.,discovered from the upper middle Eocene Pondaung Formation of Myanmar.The specimens consist of upper and lower dentitions with fragmentary jaws.Myaingtherium is one of the basal anthracotheres and is comparable in size and overall morphology to a small-sized Pondaung anthracothere,Anthracokeryx tenuis.However,Myaingtherium is more similar in dental morphology to Anthracotherium and Anthracohyus rathe... |
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| Keywords: | Myaingtherium |
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