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Cyclostrema prominulum : ウィキペディア英語版 | Cyclostrema prominulum
''Cyclostrema prominulum'' is a species of sea snail, a marine gastropod mollusk in the family Liotiidae.〔Bouchet, P. (2012). ''Cyclostrema prominulum'' Melvill & Standen, 1903. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=701865 on 2012-12-03〕〔Bosch D.T., Dance S.P., Moolenbeek R.G. & Oliver P.G. (1995) Seashells of eastern Arabia. Dubai: Motivate Publishing. 296 pp.〕 ==Description== The height of the shell attains 1 mm and its diameter 2 mm. It is a very minute, deeply umbilicate, white shell with a depressed discoidal shape. The shell contains four whorls. The two apical whorls are very small. The surface is uniformly multilirate. The lirae at the periphery are metamorphosed into a strong, very prominent and acute keel. The aperture is round. The outer lip is thin.〔(Melvill & Standen, 1903; Descriptions of 68 new Gastropoda from the Persian Gulf, the Gulf of Oman and the North Arabian Sea; The Annals and Magazine of Natural History, 7th series, v. 12 (1903) )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Cyclostrema prominulum」の詳細全文を読む
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