1. Université Lille 1 - Sciences et Technologies, UMR 8217 du CNRS: Géosystèmes; Avenue Paul Langevin - bât. SN5 59655 Villeneuve d'Ascq cedex France
2. Research Unit Palaeontology, Department of Geology, WE13-S8; Ghent University; 9000 Ghent Belgium
3. Universität Erlangen-Nürnberg; GeoZentrum Nordbayern, Fachgruppe Paläoumwelt; Loewenichstr. 28 D-91054 Erlangen Germany
4. Department of Geology; University of Leicester; Leicester LE1 7RH UK
5. NERC Isotope Geosciences Laboratory; British Geological Survey; Nottingham NG12 5GG UK
6. MARUM, Center for Marine Environmental Sciences; Universität Bremen; D-28359 Bremen Germany
7. Institute of Geology; Tallinn University of Technology; Ehitajate tee 5 19086 Tallinn Estonia
8. The Manchester Museum; University of Manchester; Oxford Road Manchester M13 9PL UK