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Odostomia sicula : ウィキペディア英語版 | Odostomia sicula
''Odostomia sicula'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.〔Gofas, S. (2010). ''Odostomia sicula'' Philippi, 1851. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=141015 on 2011-11-10〕 〔Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180-213〕 ==Description== The white shell is solid,and, polished. Its length measures 6.25 mm. The eight whorls of the teleoconch are nearly flat. They are marked with microscopic growth lines. The periphery of the shell is more or less distinctly keeled or angulated. The shell shows an impressed spiral line. The small umbilicus goes deep. The columellar tooth is strong and prominent. The interior of the lip is ridged, terminating in small tubercles within the aperture. G.W. Tryon (1889) considers it a synonym of ''Odostomia conoidea'' Brocchi. 〔 G.W. Tryon, Manual of Conchology vol. VIII, p. 349-350; 1889 〕
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