1. Department of Geosciences University of Tuebingen Tuebingen Germany
2. Department of Geology University of Johannesburg Johannesburg South Africa
3. Institute of Geological Sciences University of Bern Bern Switzerland
4. Institute of Geology and Paleontology University of Muenster Muenster Germany
5. Fossil Museum and Werkforum Holcim (Süddeutschland) GmbH Dotternhausen Germany