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Lodderena minima : ウィキペディア英語版 | Lodderena minima
''Lodderena minima'', common name the minute liotia, is a species of minute sea snail, a marine gastropod mollusk in the family Skeneidae.〔Bouchet, P. (2012). ''Lodderena minima'' (Tenison-Woods, 1878). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=567608 on 2012-09-01〕 ==Description== The size of this minute shell varies between 0.5 mm and 1.1 mm. The translucent white shell has a planorbiform shape with a flat or slightly raised spire. The shell contains about three whorls with 1½ whorl in the protoconch. The shell is devoid of ornament, except the regular spiral groove. It has, however, a remarkably thickened, smooth varix round the circular aperture, and a granularly margined, wide umbilicus.〔( Tenison-Woods, J.E. 1878. On some new marine Mollusca; Transactions and Proceedings of the Royal Society of Victoria v. 13-15 (1878-1879) )〕
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