[B-CG06] Frontier in Biology and Paleobiology of Fossilized Micro-organisms

[BCG06-P01] Selection of radiolarian primary marker for the Jurassic-Cretaceous boundary

*Atsushi Matsuoka^1,2 (1. Department of Geology, Faculty of Science, Niigata University, 2. Ocean Research Center for Next Generation, Chiba Institute of Technology)

Keywords:Jurassic-Cretaceous boundary, primary marker, GSSP, radiolaria, Berriasian Working Group