1. Department of Invertebrate Zoology and Hydrobiology; University of Lodz; Lodz Poland
2. Equipe Ecologie Evolutive; UMR CNRS 6282 Biogéosciences; Université de Bourgogne; Dijon France
3. Insitute of Paleobiology; Polish Academy of Sciences; Warsaw Poland
4. Oddelek za biologijo; Biotehniška fakulteta; Univerza v Ljubljani; Ljubljana Slovenia