1. School of Earth and Environment University of Leeds Leeds UK
2. Department of Earth Science University of Bergen Bergen Norway
3. Department of Palaeobiology Swedish Museum of Natural History Stockholm Sweden
4. Department of Earth Sciences University of Delaware Newark USA
5. Department of Biology University of Southern Denmark Odense M Denmark
6. U.S. Geological Survey (Emeritus), National Center Reston USA
7. Department of Geological Sciences Stockholm University Stockholm Sweden
8. Geological Survey of Norway Trondheim Norway
9. Marine Geosciences Research Unit IFREMER Plouzané France
10. Department of Earth and Planetary Sciences University of California Riverside USA
11. Department of Geology University of Johannesburg Johannesburg South Africa