Additions to the Knowledge of Alien Molluscs of the Aegean Sea with Three New Records: Crepidula fornicata (Linnaeus, 1758), Anadara natalensis (Krauss, 1848) and Arcuatula senhousia (Benson in Cantor, 1842)

Within the frame of surveys conducted in Izmir Bay (Aegean Sea) in November 2008, April 2009 and April-May 2012, three alien molluscs (Crepidula fornicata, Anadara natalensis and Arcuatula senhousia) have been recorded. Of the identified species, A. senhousia is new record for the Aegean Sea and the Turkish mollusc fauna, A. natalensis is new record for the Aegean Sea fauna, and the calyptraeid gastropod C. fornicata is new report for the Turkish mollusc fauna.