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Stellaria (gastropod) : ウィキペディア英語版 | Stellaria (gastropod)
''Stellaria'' is a genus of large sea snails, marine gastropod mollusks in the family Xenophoridae, the carrier shells.〔WoRMS (2010). ''Stellaria'' Möller, 1832. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=206853 on 2010-08-07〕 ==Description== Shells medium-sized to large (diameter of base without attachments 65–128 mm; height of shell 48–70 mm), rather depressed to moderately high-spired, widely umbilicate, with wide peripheral flange (30-40% of total diameter at base) which is simple in some species or is digitate or divided into numerous long, hollow, narrow, parallel-sided spines. Ventral side of peripheral flange non-porcellanous. Foreign objects usually small to very small covering less than 30% of dorsal surface.〔Kreipl, K. & Alf, A. (1999): ''Recent Xenophoridae''. 148 pp. incl. 28 color plts. ConchBooks, Hackenheim, ISBN 3-925919-26-0.〕
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