*Hiromi Kayama WATANABE¹, Stace E Beaulieu², Florence Pradillon³, Susan Mills², Sayaka Mino⁴, Takenori Sasaki⁵, Jun-ichiro Ishibashi⁶, Shigeaki Kojima⁷ (1.Japan Agency for Marine-Earth Science and Technology, 2.Woods Hole Oceanographic Institution, 3.IFREMER, 4.Hokkaido University, 5.The University Museum, the University of Tokyo, 6.Kyusyu University, 7.Atmosphere and Ocean Research Institute, the University of Tokyo )

Mai Karasawa², *Hiromi Kayama WATANABE¹, Hiroshi Miyake² (1.Japan Agency for Marine-Earth Science and Technology, 2.Kitasato University)

*Teruaki Ishii¹, Patricia Fryer², Satoru Takahashi³, Takuya Matsuzaki⁴, Suguru Ohta⁵ (1.Center for Integrated Research and Education of Natural Hazards, Sizuoka University, 2.University of Hawii, 3.University of Tokyo, 4.Kochi University, 5.University of Tokyo (former))

*Robert Jenkins¹, Andrzej Kaim², Yoshinori Hikida³, Steffen Kiel⁴ (1.School of Natural System, College of Science and Engineering, Kanazawa University, Japan, 2.Institute of Paleobiology, Polish Academy of Sciences, Poland, 3.Nakagawa Museum of Natural History, Japan, 4.Swedish Museum of Natural History, Department of Palaeobiology, Sweden)

*Robert Jenkins¹, Hiromi Kayama WATANABE², Takami Nobuhara³ (1.School of Natural System, College of Science and Engineering, Kanazawa University, 2.Japan Agency for Marine-Earth Science and Technology, 3.Faculty of Education, Shizuoka University)