1. Department of Geology & Palaeontology Natural History Museum CP 6434 1211 Geneva 6 Switzerland
2. Department of Earth & Environmental Sciences, Paleontology & Geobiology Ludwig‐Maximilians‐Universität München Richard‐Wagner‐Straße 10 80333 Munich Germany
3. Geobiocenter Ludwig‐Maximilians‐Universität München Richard‐Wagner‐Straße 10 80333 Munich Germany
4. Palaeontological Institute & Museum, University of Zurich Karl Schmid‐Strasse 4 8006 Zurich Switzerland
5. Department of Geology, Faculty of Geology & Geophysics University of Bucharest Blvd. Bălcescu Nicolae 1 RO‐010041 Bucharest Romania