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New observations on spicule-like structures from Dou-shantuo phosphorites at Weng’an,Guizhou Province[J]. YIN Leiming, XIAO Shuhai & YUAN Xunlai1. Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing 210008, China;2. Department of Geology, Tulane University, New Orleans, LA70118, USA.Chinese Science Bulletin. 2001(21)