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''Melarhaphe neritoides'', common name : the small periwinkle, is a species of small sea snail, a marine gastropod mollusc in the family Littorinidae, the winkles or periwinkles. 〔 Reid, David G.; Gofas, S. (2011). Melarhaphe neritoides (Linnaeus, 1758). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=140266 on 23 August 2012 〕 This species was previously known as ''Littorina neritoides''. ''Melarhaphe'' is a monotypic genus, in other words, this is the only species in that genus. ==Description== This is a tiny species with the size of an adult shell varying between 4 mm and 9 mm. It has a high pointed spire. The dark aperture is oval. The purple-brown spiral band can be clearly seen on the body whorl. The small periwinkle breeds in late winter. Its pelagic egg capsules release planktonic larvae. 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「Melarhaphe neritoides」の詳細全文を読む スポンサード リンク
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