The first record of Jujubinus exasperatus (Pennant, 1777) (Gastropoda: Trochidae) in the Black Sea

Gastropod mollusk Jujubinus exasperatus is recorded for the first time in the Black Sea off the coast of Crimea. A brief species diagnosis, photographs of the shells and live specimen in situ are provided. Previously, the species was listed for the fauna of Russia and the Black Sea based on literary sources, the reliability of the information discussed in this paper. The possibility of naturalization of J. exasperatus in the Black Sea ecosystem is considered. J. exasperatus is recognized as an accidental element of the Black Sea benthos.