4:23 PM - 4:38 PM
*Maho Hayakawa1, Masashi A. Ikeda1, Ken Sawada2, Reishi Takashima3, Hiroshi Nishi4, Hideto Nakamura2 (1.Graduate School of Science, Hokkaido University, 2.Dpartment of Earth and Planetary Sciences, Faculty of Science, Hokkaido University, 3.The Center for Academic Resources and Archives, The Tohoku University Museum, Tohoku University, 4.Institute of Dinosaur Research, Fukui Prefectual University)