The present study is concerned with 1 prosobranch gastropod species [Melarhaphe neritoides (Linnaeus, 1758)], obtained during the benthic sampling by surveying at the supralittoral zone (upper part of 0-0,5 m.) of the Sinop Peninsula coasts in April 2006. A total of 51 species of marine Prosobranchia-Gastropoda (Mollusca) are known in the Black Sea coast of Turkey. However, the Prosobranch gastropod Melarhaphe neritoides (Linnaeus, 1758) is recorded for the first time from the central Black Sea of Turkey. Previous records of the species were confined to the western part of the Black Sea, it is occurrence at Turkish coast of the Black Sea extends its distribution range to the central Black Sea continued to Turkish coastal waters of Black Sea.