14:00 〜 14:15
*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)