1. Department of Palaeontology, National Museum of Natural History, National Academy of Sciences of Ukraine, Kyiv, Ukraine
2. Department of Palaeozoology, Faculty of Biological Sciences, University of Wrocław, Wrocław, Poland
3. Department of Geology and Palaeontology, Faculty of Natural Sciences, Comenius University, Bratislava, Slovakia
4. Geological and Paleontological Department, Natural History Museum Vienna, Vienna, Austria
5. Department of Geology and Applied Mineralogy, Kryvyi Rih National University, Kryvyi Rih, Ukraine
6. University “Al. I. Cuza” from Iaşi, Iasi, Romania
7. Natural Sciences Museum, Piatra Neamţ, Romania
8. Laboratory of Palaeotheriology and Quaternary Geology, Department of Geology, Faculty of Biology and Geology, Babeș-Bolyai University, Cluj-Napoca, Romania
9. Oertijdmuseum Boxtel, Boxtel, the Netherlands
10. Institute of Geology, Czech Academy of Sciences, Prague 6, the Czech Republic