1. Institut de Systématique, Evolution, Biodiversité ISYEB — UMR7205 — CNRS, MNHN, UPMC, EPHE Muséum National d'Histoire Naturelle Sorbonne Universités, 55 Rue Buffon, F-75231 Paris, France; pbouchet@mnhn.fr
2. Zoological Museum, Center of Natural History, Universität Hamburg, Germany
3. Institute of Paleobiology, Polish Academy of Sciences, Warszawa, Poland
4. Atmosphere and Ocean Research Institute, The University of Tokyo, Chiba, Japan
5. Bavarian State Collection of Palaeontology and Geology, Faculty of Earth Sciences and GeoBio-Center LMU, München, Germany
6. Borissiak Paleontological Institute, Russian Academy of Sciences, Moscow, Russia
7. Bavarian State Collection of Zoology, Faculty of Biology and GeoBio-Center LMU, München, Germany
8. National Museum of Natural History, Smithsonian Institution, Washington D.C., U.S.A.