Daan Vanhove (a,b), Robert P. Speijer (a), Etienne Steurbaut (a,b), Philippe Claeys (c) & Linda Ivany (d)
(a) Department of Earth and Environmental Sciences, University of Leuven, Celestijnenlaan 200E box 2410, 3001 Heverlee, Belgium. E-mail: daan.vanhove@ees.kuleuven.be
(b) OD Earth and History of Life, Royal Belgian Institute of Natural Sciences, Vautierstraat 29, 1000 Brussels, Belgium.
(c) Earth System Science, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Elsene, Belgium.
(d) Department of Earth Sciences, Syracuse University, Heroy Geology Building 204, 13244-1070 Syracuse, NY, USA.