1. Palaeontological Department, Natural History Museum, National Museum, Prague, Czech Republic
2. Czech Geology Survey, Prague, Czech Republic
3. Faculty of Science, Institute of Geology and Palaeontology, Charles University, Prague, Czech Republic
4. Department of Paleobiology and Paleoecology, Institute of Geology of the Czech Academy of Sciences, Lysolaje, Czech Republic
5. Earth and Oceanic Systems Group, RMIT University, Melbourne, Australia