1. Institute for Biological Problems of the North, Russian Academy of Sciences, 18 Portovaya Str., Magadan 685000, Russia; Department of Zoology & Entomology, University of the Free State, Bloemfontein 9300, South Africa; Zoological Museum, Biodiversity Unit, University of Turku, FI-20014, Finland
2. A.O. Kovalevsky Institute of Biology of the Southern Seas, 2 Nakhimov Av., Sevastopol 299011