1. Department of Biology, Cherepovets State University, Cherepovets, Russia
2. Borissiak Paleontological Institute, Russian Academy of Sciences, Moscow, Russia
3. Vologda Branch of the Federal State Budget Scientific Institution «Russian Federal Research Institute of Fisheries and Oceanography», Vologda, Russia
4. Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences, Borok, Russia