Author affiliation:
1. Key Laboratory of Cenozoic and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, P.O. Box 9825, Beijing 100029, China
2. China University of Geosciences (Beijing), Beijing, 100083, China
3. CAS Center for Excellence in Life and Paleoenvironment, Beijing, China
4. Innovation Academy for Earth Science, CAS
5. Anhui Museum, Hefei, 230081, China
6. School of History, Beijing Normal University, Beijing 100875, China
Corresponding author: Xu Wang
Phone: +86-10-82998581
Fax: +86-10-62010846
E-mail:xuking@mail.iggcas.ac.cn
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