1. Institute of Geology and Palaeontology University of Münster Münster Germany
2. Dr. Moses Strauss Department of Marine Geosciences, The Leon H. Charney School of Marine Sciences University of Haifa Carmel Israel
3. Institut für Geologie, Universität Hamburg Hamburg Germany
4. El Departamento de Estatigrafía y Paleontología, Facultad de Ciencias, Avenida de la Fuente Nueva Granada Spain
5. Department of Geosciences, Faculty of Science Vrije Universiteit Amsterdam Amsterdam The Netherlands