1. Institute of Life Sciences and Technologies, Daugavpils University, Daugavpils, Latvia
2. Kaliningrad Regional Amber Museum, Marshal, Kaliningrad, Russia
3. Institute of Living Systems, Immanuel Kant Baltic Federal University, Kaliningrad, Russia
4. Royal Saskatchewan Museum, Regina, Saskatchewan, Canada
5. Biology Department, University of Regina, Regina, Saskatchewan, Canada
6. Department of Ecology & Evolutionary Biology, University of Kansas, Lawrence, Kansas, USA