作者单位: | [1]State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, 39 East Beijing Road, Nanjing 210008, China [2]Department of Geology, the State University of New York at Buffalo, NY 14260-3050, USA. [3]Geological Museum, University of Copenhagen, Фster Voldgade 5-7, DK-1350 Copenhagen, Denmark [4]Department of Earth Sciences, St. Francis Xavier University, Antigonish, N.S. B2G 2W5, Canada [5]State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China [6]Department of Geological Sciences, California State University at Long Beach, Long Beach, CA 90840, USA. [7]Yichang Institute of Geology and Mineral Resources, 21 Gangyao Road, Yichang 443003, China. |