A. Dhondt (Bruxelles), E. Håkansson (Copenhagen) and J. Jagt (Maastricht) are thanked for their taxonomic analysis of the bivalves, bryozoans and the echinoid, respectively. M. Madsen (Copenhagen) kindly helped us during fieldwork. We are grateful to R.G. Bromley (Copenhagen), N.-M. Hanken, J.K. Nielsen (Tromsø) and two anonymous reviewers for their constructive comments.