1. Institute of Biology, Laboratory of PalaeobiologyUniversity of Opole Opole Poland
2. European Centre of PalaeontologyUniversity of Opole Opole Poland
3. Institute of GeoscienceUniversity of Bonn Bonn Germany
4. Centrum für NaturkundeUniversity of Hamburg Hamburg Germany
5. Institut Català de Paleontologia Miquel Crusafont, ICTA‐ICP Building Cerdanyola del Vallès Spain