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Comparative research on Cambrian Burgess Shale-type soft-bodied fossil biotas in South China

DUAN Yan-hong1,2,HAN Jian1,ZHANG Zhi-fei1,LIU Jian-ni1(1.Department of Geology/State Key Laboratory of Continental Dynamics/Early Life Institute,Northwest University, Xi′an 710069,China;2.Department of Life Science and Technology,Xinxiang College,Xinxiang 453000,China)  
Aim To combing from the Burgess Shale-type fossil biotas in South China at the sight of horizon,biological composition and sedimentary environment.Methods Ten Burgess Shale-type soft-bodied fossil biotas in South China are investigated by comparing the geological settings,biological composition and their substrates.Results Except for the Yanjiahe biota,the other nine Cambrian Burgess Shale-type soft-bodied fossil biotas in South China represent a series of closely-related biological communities lived in muddy-sandy substrates which show gradually transitions in biological composition in time-space distributions.Conclusion The Burgess Shale-type fossil biota in South China should have a wider distribution during the Middle-Late Cambrian.
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