1. Ltd. Service Aqua, Moscow, Russia
2. Precaspian Institute of biological Resources of Daghestan Research Federal Centre of the Russian Academy of Sciences, Makhachkala, Republic of Dagestan, Russia
3. Department of Biology and Biodiversity, Dagestan State University, Makhachkala, Republic of Dagestan
4. Laboratory for Mechanics of Biomaterials, Don State Technical University, Rostov-on-Don, Russia
5. Department of Biology, Cherepovets State University, Cherepovets, Vologda Region, Russia
6. Laboratory of arthropods, Borissiak Paleontological Institute, Russian Academy of Sciences, Moscow, Russia
7. Natural History Museum of Denmark, Copenhagen, Denmark