1. Marine Palynology and Paleoceanography, Laboratory of Palaeobotany and Palynology, Department of Earth Sciences, Faculty of Geosciences, Utrecht University, Heidelberglaan 2, 3584CS Utrecht, Netherlands.
2. Geologische Bundesanstalt, Neulinggasse 38, A 1030 Wien, Austria.
3. Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, West Lafayette, IN 47906, USA.
4. Department of Geology and Mineral Sciences, University of Ilorin, P.M.B. 1515, Kwara State, Nigeria.
5. Department of Earth Sciences, Faculty of Geosciences, Utrecht University, Heidelberglaan 2, 3584CS Utrecht, Netherlands.
6. NIOZ Royal Netherlands Institute for Sea Research, Department of Marine Microbiology and Biogeochemistry, and Utrecht University, ’t Horntje, Texel, Netherlands.