1. Faculty of Biology, Department of Invertebrate Zoology, Saint Petersburg State University, Saint Petersburg, Russia
2. Analytical Phytochemistry Laboratory, Komarov Botanical Institute, Saint Petersburg, Russia
3. School of Life Sciences, Heriot-Watt University, Edinburgh, UK
4. Faculty of Earth Sciences, Geography and Astronomy, Department of Palaeontology, Geozentrum, University of Vienna, Vienna, Austria