An asteroid impact in the Late Triassic triggered mid-Norian radiolarian faunal turnover in the Panthalassa Ocean

Tetsuji Onoue1, Honami Sato2, Daisuke Yamashita3, Minoru Ikehara4, Kazutaka Yasukawa5, Koichiro Fujinaga6, Yasuhiro Kato5 and Atsushi Matsuoka7, (1)Kumamoto University, Faculty of Science, Kumamoto, Japan, (2)Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Japan, (3)Kumamoto University, Kumamoto, Japan, (4)Kochi University, Center for Advanced Marine Core Research, Nankoku, Japan, (5)The University of Tokyo, School of Engineering, Tokyo, Japan, (6)The University of Tokyo, Frontier Research Center for Energy and Resources (FRCER), School of Engineering, Tokyo, Japan, (7)Niigata University, Department of Geology, Niigata, Japan