*Shigenori MARUYAMA¹, Toshikazu EBISUZAKI² (1.Earth-Life Science Institute, Tokyo Institute of Technology, 2.RIKEN)

*Takuto ANDO¹, Ken SAWADA¹, Reishi TAKASHIMA², Hiroshi NISHI² (1.Faculty of Science, Hokkaido University, 2.Tohoku University Museum, Tohoku University)

*Kazuyoshi MORIYA¹, Keita TSUTSUI¹ (1.Dep. Earth Sciences, Sch. Education, Waseda Univ.)

*Yusuke TAKEDA¹, Kazushige TANABE², Takenori SASAKI², Neil H. Landman³ (1.Department Earth and Planetary Science, The University of Tokyo, 2.The University Museum, the University of Tokyo, 3.American Museum of Natural History)

*Jun HIRAMOTO¹, Naoki KOHNO² (1.University of Tsukuba, 2.National Museum of Nature and Science and University of Tsukuba, Japan)

*Kentaro IZUMI¹ (1.Center for Environmental Biology and Ecosystem Studies, NIES)

*Kumiko MATSUI¹ (1.Department of Earth and Planetary Science, University of Tokyo)

*Ikuko TANAKA¹ (1.Graduate School of Science, Kobe University)

*Hideto NAKAMURA¹, Mayumi TAKEDA¹, Ken SAWADA¹, Yoshinori TAKANO² (1.Hokkaido Univ., 2.JAMSTEC)

*Takao UBUKATA¹ (1.Kyoto University)