Marine Biology Program, Department of Biosciences, University of Oslo, P.O. Box 1066 Blindern, NO-0316 Oslo, Norway
Geo-Ecological Research Group (GEco), Natural History Museum, University of Oslo, P.O. Box 1172 Blindern, NO-0318 Oslo, Norway
Marine Geology group, Geological Survey of Norway (NGU), PB 6315 Sluppen, 7491 Trondheim, Norway (present address)