1. Section Palaeontology, Institute of Geosciences, Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn, Germany
2. Department of Theriology, Zoological Institute of the Russian Academy of Sciences, Saint Petersburg, Russia
3. Department of Sedimentary Geology, Institute of Earth Sciences, Saint Petersburg State University, St. Petersburg, Russia
4. Institute of Geology and Petroleum Technology, Kazan Federal University, Kazan, Russia
5. LWL-Museum of Natural History, Westphalian State Museum and Planetarium, Münster, Germany
6. Martin-Luther-University Halle-Wittenberg, Zentralmagazin Naturwissenschaftlicher Sammlungen Domplatz 4, Halle (Saale), Germany