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首页> 外文期刊>Palaeogeography, Palaeoclimatology, Palaeoecology: An International Journal for the Geo-Sciences >Ostracod fauna from the Permian-Triassic boundary interval of South China (Huaying Mountains, eastern Sichuan Province): palaeoenvironmental significance
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Ostracod fauna from the Permian-Triassic boundary interval of South China (Huaying Mountains, eastern Sichuan Province): palaeoenvironmental significance

机译：中国南方（四川省华英山）二叠系-三叠纪边界层的兽脚类动物区系：古环境意义

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摘要

Thirteen species of ostracods in a sample of 400 specimens were extracted by hot acetolysis from three samples within the earliest Triassic Hindeodus parvus zone, in the Permian-Triassic Boundary interval in the Huaying Mountains, eastern Sichuan Province, South China. One new species, Langdaia laolongdongensis n.sp., was found. Ostracod preservation is good. This study provides ostracod data that demonstrate: (a) confirmation of Palaeozoic holdovers in the earliest Triassic in South China; (b) consistency between the palaeoecological interpretation of ostracod faunas and previous environmental and oceanic interpretations, that suggest poorly-oxygenated waters invaded the shelf in the earliest Triassic, and demonstrate the value of ostracods in the analysis of these rocks; and (c) evidence of palaeobiogeographical links are between South China and Turkey, and confirm that South China, Iran, and Turkey remain close from Middle Permian until, at least, the earliest Triassic. (C) 2004 Elsevier B.V. All rights reserved.
机译：在华东山区华英山二叠纪-三叠纪边界区间的最早的三叠纪Hindodus parvus带内的三个样本中，通过热乙解法从400个样本中提取了13种原虫。发现了一种新种，Langdaia laolongdongensis n.sp.。兽纲的保存是好的。这项研究提供了兽脚类动物的数据，这些数据表明：（a）在华南最早的三叠纪证实了古生代的遗留物; （b）类动物群的古生态解释与先前的环境和海洋解释之间的一致性，这表明氧含量低的水侵入了最早的三叠纪大陆架，并证明了of类动物在分析这些岩石方面的价值; （c）有古生物地理联系的证据存在于华南和土耳其之间，并证实华南，伊朗和土耳其距中二叠纪一直很近，至少到最早的三叠纪为止。 （C）2004 Elsevier B.V.保留所有权利。

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