2:00 PM - 2:15 PM
*XIN LI1, Atsushi Matsuoka2, Yalin Li3, Chengshan Wang3 (1.State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, 2.Faculty of Science, Niigata University, Niigata, 950-2181, Japan, 3.Department of Earth Science and Resources, China University of Geosciences, Beijing, 100083, China)