Stassen, P.; Department of Earth and Environmental Sciences, KU Leuven, Celestijnenlaan 200E, B-3001 Leuven, Belgium
Dupuis, C.; Faculté Polytechnique de Mons, Université de Mons, Rue de Houdain 9, B-7000 Mons, Belgium
Steurbaut, E.; Department of Earth and Environmental Sciences, KU Leuven, Celestijnenlaan 200E, B-3001 Leuven, Belgium, Department of Paleontology, Royal Belgian Institute of Natural Sciences, Vautierstraat 29, B-1000 Brussels, Belgium
Yans, J.; Department of Geology, FUNDP, UCL-Namur, Rue de Bruxelles 61, B-5000 Namur, Belgium
Morsi, A.-M.; Department of Geology, Faculty of Science, Ain Shams University, 11566 Cairo, Egypt
Iacumin, P.; Department of Earth Sciences, Parma University, Viale G. P. Usberti 157/A, 43100 Parma, Italy
Speijer, R. P.; Department of Earth and Environmental Sciences, KU Leuven, Celestijnenlaan 200E, B-3001 Leuven, Belgium