| 黔南下-中二叠统界线层的牙形刺--瓜达鲁平统底界在华南的确认 |
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| 引用本文： | 王志浩. 黔南下-中二叠统界线层的牙形刺--瓜达鲁平统底界在华南的确认[J]. 微体古生物学报, 2000, 17(4): 422-429,T017 |
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| 作者姓名： | 王志浩 |
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| 作者单位： | 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： | 本文得到中国科学院南京地质古生物研究所科研创新基金(000410-0020)的资助。 |
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| 摘 要： | 本文详细研究了贵州罗甸纳水剖面下－中二叠统界线、即瓜达鲁平统（Ｇｕａｄａｌｕｐｉａｎ）底界附近的牙形刺动物群，并自上而下划分为Ｍｅｓｏｇｏｎｄｏｌｅｌｌａ ｓｉｃｉｌｉｅｎｓｉｓ－Ｍ．ｐｈｏｓｐｈｏｒｉｅｎｓｉｓ，Ｍｅｓｏｇｏｎｄｏｌｅｌｌａ ｉｄａｈｏｅｎｓｉｓ－Ｍ．ｐｈｏｓｐｈｏｒｉｅｎｓｉｓ，Ｍｅｓｏｇｏｎｄｏｌｅｌｌａ ｇｕｊｉｏｅｎｓｉｓ－Ｍ．ｉｎｔｅｒｍｅｄｉａ和Ｍｅｓｏｇｏｎｄｏｌｅ
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| 关 键 词： | 牙形刺 下－中二叠统界线 瓜达鲁平统 黔南 |
CONODONTS ACROSS THE LOWER-MIDDLE PERMIAN BOUNDARY IN SOUTH GUIZHOU- SETTING THE GUADALUPIAN BASE |
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| Wang Zhi-hao. CONODONTS ACROSS THE LOWER-MIDDLE PERMIAN BOUNDARY IN SOUTH GUIZHOU- SETTING THE GUADALUPIAN BASE[J]. Acta Micropalaeontologica Sinica, 2000, 17(4): 422-429,T017 |
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| Authors: | Wang Zhi-hao |
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| Affiliation: | Wang Zhi-hao;(Nanfing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008) |
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| Abstract: | This paper reports in detail the conodonts across the Lower Middle Permian boundary (base of the Guadalupian) at the Nashui section, Luodian of Guizhou. In descending order the following conodont assemblage zones can been recognized: Mesogondolella siciliensis M. phosphoriensis, M. idahoensis M. phosphoriensis, M. gujioensis M. intermedia and M. shindyensis Neostreptognathodus leonovae. The first occurrence of Mesogondolella nankingensis , a warm water type conodont species is considered as the mark for the base of Guadalupian in the world. But in South Guizhou the first occurrence of Mesogondolella siciliensis , a cool or cold water type conodont species is the mark of the Guadalupian base. |
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| Keywords: | conodonts Lower-Middle Permian boundary Guadalupian South Guizhou |
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