Relevant Synonyms Turbonilla (Cingulina) isseli Tryon, 1886 Eulimella cingulata Issel, 1869, not Cingulina cingulata (Dunker, 1860) Misidentification -  photo: S. Gofas / Coll. H. Zibrowius

SHORT DESCRIPTION Shell small, turriculated formed by eight flattened teleoconch whorls. Sculpture of three spiral keels per whorl, with the interspaces bearing clearly defined axial raised lines. The top whorls are helicoid and quite sunken into the next teleoconch whorl, with which they form an angle of about 90°. Columellar tooth faint or wanting. color : whitish. common size : up to 4.0 mm. DISTINGUISHING CHARACTERISTICS This species is almost impossible to confuse with other Mediterranean species. A slight resemblance could be observed with the turriculate and spirally sculptured shell of Seila trilineata (Philippi, 1836), but the latter is bigger, and does not have an heterostrophic apex. The most likely confusion is with another immigrant, Oscilla jocosa Melvill, 1904, which is distinguished by a smaller size, larger body whorl in relation to the spire, and spiral keels less acute and somewhat beaded, not smooth as in the present species. The lack of tooth stressed by van Aartsen (1994) is not applicable as a key, as there are specimens like the one figured herein with a distinct tooth. BIOLOGY / ECOLOGY Pyramidellidae are ectoparasites, mainly of sedentary polychaetes and molluscs. habitat : unknown.

1st Mediterranean record Israel, 1983 [1980]. DISTRIBUTION Worldwide : Red Sea. Mediterranean : recorded first in 1980 from Israel, Haifa Bay (van Aartsen and Carrozza, 1983); successively from Lebanon, Jounieh Bay (Bogi and Khairallah, 1987); Turkey, Mersin (van Aartsen et al., 1989); Cyprus, Kyrenia harbour, collected by H. Zibrowius in 1998 (identification confirmed by S. Gofas). ESTABLISHMENT SUCCESS Uncommon, but regularly found along the coasts of Israel, southern Turkey and Cyprus (van Aartsen, pers. comm. and our observations). speculated reasons for success : - MODE OF INTRODUCTION Possibly via the Suez Canal. IMPORTANCE TO HUMANS None.

KEY REFERENCES Bogi C. and Khairallah N.H., 1987. Nota su alcuni molluschi de provenienza Indo-Pacifica raccolti nella baia di Jounieh (Libano) - Contributo I-. Notiziario del CISMA, 10: 54-60. Buzzurro G. and Greppi E., 1995. Note sul materiale tipico di origine lessepsiana della collezione Hornung & Mermod. Notiziario del CISMA, 17: 5-16. van Aartsen J.J., 1994. European Pyramidellidae: IV. The genera Eulimella, Anisocycla, Syrnola, Cingulina, Oscilla and Careliopsis. Bollettino Malacologico 30(5-9): 85-109.   van Aartsen J.J. and Carrozza F., 1983. Two more Red Sea species recorded for the first time from the Mediterranean coast of Israel. Bollettino Malacologico, 19(3-4): 37-40. van Aartsen J.J., Barash A. and F. Carrozza, 1989. Addition to the knowledge of the Mediterranean mollusca of Israel and Sinai. Bollettino Malacologico, 25(1-4): 63-76. FEEDBACK / COMMENTS TO AUTHORS

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