1. Institute of Geosciences Johannes Gutenberg University Mainz Johann‐Joachim‐Becher Weg 21 55128 Mainz Germany
2. LIB – Leibniz Institute for the Analysis of Biodiversity Change Martin‐Luther‐King‐Platz 3 20146 Hamburg Germany
3. Department of Natural Environmental Studies, Graduate School of Frontier Sciences The University of Tokyo Kashiwanoha 5‐1‐5 Kashiwa Chiba 277‐8563 Japan
4. The University Museum, The University of Tokyo Hongo 7‐3‐1, Bunkyo‐ku Tokyo 113‐0033 Japan
5. Marine Macroevolution Unit Okinawa Institute of Science and Technology Graduate University 1919‐1 Tancha Onna‐son Okinawa 904‐0495 Japan