Laurie Marie Charrieau¹, *Takashi Toyofuku⁵, Petra L. Schoon², Melissa Chierici³, Jeroen Groeneveld⁴, Katsunori Kimoto⁵, Emma Kritzberg⁶, Karl Ljung², Osamu Sasaki⁷, Helena L. Filipsson² (1.Dept. of Geology and CEC, Lund University, 2.Dept. of Geology, Lund University, 3.Dept. of Chemistry, Göteborg University, 4.Center for Marine Environmental Sciences (MARUM), Bremen University, 5.Research Institute for Global Change, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 6.Dept. of Biology, Lund University, 7.The Tohoku University Museum)