Research keywords (1):
Earth history, Microfossil, Geochemistry, Mass extinction event, Paleozoic, Mesozoic
European Geoscience Union
, 地球環境史学会
, Goldschmidt
, Japan Geoscience Union
, The Japanese Association of Organic Geochemists
, Paleontological Society of Japan
, Gelogical Society of Japan
, Geological Society of America