| 奥陶纪三叶虫Omeipsis zhenxiongensis Luo,1974的新材料 |
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| 引用本文： | 罗惠麟 周志毅. 奥陶纪三叶虫Omeipsis zhenxiongensis Luo,1974的新材料[J]. 古生物学报, 2004, 43(3): 420-423 |
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| 作者姓名： | 罗惠麟 周志毅 |
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| 作者单位： | 云南省地质科学研究所,昆明,650011;中国科学院南京地质古生物研究所,南京,210008 |
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| 基金项目： | 国家自然科学基金 (No .40 2 72 0 0 1)资助课题 |
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| 摘 要： | 对滇东镇雄羊场桃子崖(北纬27°36′53″,东经104°37′42″)和芒部刘家沟(北纬27°36′22″, 东经104°52′30″)早奥陶世晚期湄潭组下部所产Omeipsiszhenxiongensis Luo, 1974新材料作了研究,得以揭示Omeipsis Kobayashi, 1951的完整形态特征.该属除尾部具有一长一短两对边缘刺外,其头鞍向前逐渐扩张并发育有粗壮前刺.RenhuaiaYin in Yin and Li, 1978应为Omeipsis的晚出异名,因为两者头盖并无显著差异.
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| 关 键 词： | 三叶虫 Omeipsis zhenxiongensis 新材料 奥陶纪 |
NEW MATERIAL OF ORDOVICIAN TRILOBITE OMEIPSIS ZHENXIONGENSIS LUO,1974 |
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| LUO Hui-Lin and ZHOU Zhi-Yi Yunnan Institute of Geological Sciences,Kunming, Corresponding author,Nanjing Institute of Geology and Palaeontology,the Chinese Academy of Sciences,Nanjing. NEW MATERIAL OF ORDOVICIAN TRILOBITE OMEIPSIS ZHENXIONGENSIS LUO,1974[J]. Acta Palaeontologica Sinica, 2004, 43(3): 420-423 |
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| Authors: | LUO Hui-Lin ZHOU Zhi-Yi Yunnan Institute of Geological Sciences Kunming Corresponding author Nanjing Institute of Geology Palaeontology the Chinese Academy of Sciences Nanjing |
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| Affiliation: | LUO Hui-Lin 1) and ZHOU Zhi-Yi 2) 1) Yunnan Institute of Geological Sciences,Kunming 650011,2) Corresponding author,Nanjing Institute of Geology and Palaeontology,the Chinese Academy of Sciences,Nanjing 210008 |
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| Abstract: | Omeipsis is an endemic trilobite genus typical of the Ordovician Yangtze Block. It occurs only rarely in the Arenig of the Ordovician in association with inner shelf clastic facies. The genus was erected by Kobayashi (1951) on the basis of Acidaspis huangi Sun, 1931. Since then, only one more species, O. zhenxiongensis Luo, has further been referred to it. |
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| Keywords: | Trilobitae Omeipis zhenxiongensis New Material Ordovician |
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