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Vinarski, M. V.; Palatov, D. M. (2019). A survey of the Belgrandiella-like gastropods of the Northern Black Sea Region (Mollusca, Gastropoda, Hydrobiidae s.l.): Morphological variability and morphospecies. Zoologicheskii Zhurnal, (Zool. Zh.). 98(9): 988-1002.