1. Department of Earth Sciences, Marine Palynology and Paleoceanography, Utrecht University, Heidelberglaan 2, 3584 CS Utrecht, Netherlands.
2. Natural History Department, Hessisches Landesmuseum Darmstadt, Friedensplatz 1, 64283 Darmstadt, Germany.
3. Department of Earth and Environmental Science, Weston Observatory, Boston College, 381 Concord Road, Weston, MA 02493–1340, USA.
4. Staatliches Museum für Naturkunde Stuttgart, Rosenstein 1, 70191 Stuttgart, Germany.