1. Département de Géologie; Université de Liège; Liège Belgium
2. Operational Direction ‘Earth and History of Life’; Royal Belgian Institute of Natural Sciences; Brussels Belgium
3. Ecology Department; Ecological Faculty; Saratov State Technical University; Saratov Russia
4. Ecology Department; Geological Faculty; Saratov State University; Saratov Russia
5. Ocean and Earth Science; National Oceanography Centre; University of Southampton; Southampton UK
6. Ulyanovsk Regional Museum of Local Lore named after I.A. Goncharov; Ulyanovsk Russia
7. Natural Science Museum; Ulyanovsk State University; Ulyanovsk Russia