| Conodont Evidence for the Age of the Panxian Fauna,Guizhou, China |
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| 作者姓名： | SUN Zuoyu SUN Yuanlin HAO Weicheng JIANG Dayong |
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| 作者单位： | School of Earth and Space Sciences, Peking University, Beijing 100871 |
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| 基金项目： | 面向21世纪教育振兴行动计划（985计划）;国家自然科学基金 |
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| 摘 要： |
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| 关 键 词： | 牙形石 三叠纪 贵州 动物群 古生物 |
| 收稿时间： | 2005-06-20 |
Conodont Evidence for the Age of the Panxian Fauna,Guizhou, China |
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| Authors: | SUN Zuoyu SUN Yuanlin HAO Weicheng and JIANG Dayong School of Earth and Space Sciences Peking University Beijing |
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| Abstract: | Detailed conodont analysis on the Yangjuan-Chupiwa section, Xinmin, Panxian County, Guizhou Province, revealed a conodont sequence including four Anisian conodont zones, viz. Nicoraella germanica Zone, Nc. kockeli Zone, Paragondolella bifurcata Zone and Neogondolella constricta Zone. These zones indicate that the upper Guanling Formation consists of strata from the Bithynian to the lllyrian of the Anisian. Appearance of Neogondolella constricta suggests that the Anisian/Ladinian boundary might be in the overlying Yangliujing Formation. The Panxian Fauna with well-preserved marine reptile and fish fossils is proved to belong to the lower part of the conodont Nc. kockeli Zone in the studied area. Thus, the age of the Panxian Fauna could be the early Pelsonian of the Anisian. |
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| Keywords: | conodont Panxian Fauna Pelsonian Anisian Middle Triassic Panxian Guizhou |
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