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A kind of coccoid dinoflagellates-like fossils gives a new explanation of source of dinosterane in the Early-Middle Cambrian |
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| Authors: | Lizeng Bian Shuichang Zhang Baomin Zhang Shaozhi Mao Leiming Yin |
| Institution: | (1)Department of Earth Sciences, Nanjing University, Nanjing 210093 ,China; (2)Key Laboratory of Petroleum Geochemistry, China National Petroleum Corporation, Beijing 100083 ,China; (3)Research Institute of Petroleum Exploration and Development, China National Petroleum Corporation, Beijing 100083 ,China; (4)China University of Geosciences, Beijing 100083 ,China; (5)Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008 ,China |
| Abstract: | The coccoid fossils covered with thick gelatinous envelop containing several gametes are discovered in gyps and salt deposits of Cambrian, H4 well and chert bed of the base of Yuertus Formation (∈11) of Xiaoerbulake Section. The fossils are described and compared with coccoid dinoflagellates. These fossils may be a coccoid life-cycle stage (vegetative cyst) of coccoid dinoflagellates. If this identification is correct, the coccoid dinoflagellates-like fossils could give a reasonable explanation of the dinoflagellate-specific biomarkers from Cambrian, H4 well, Tarim Basin. |
| Keywords: | coccoid dinoflagellates-like fossils dinoflagellate-specific biomarkers Cambrian Tarim Basin |
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