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''Janthina exigua'', also known as the dwarf janthina, is a species of small holoplanktonic sea snail, a marine gastropod mollusk in the family Janthinidae, the violet snails or purple storm snails.〔Gofas, S. (2009). Janthina exigua Lamarck, 1816. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2009) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=140154 on 2010-05-16〕 == Distribution == This species is pelagic, and occurs around the world in tropical waters, in other words it is circumequatorial.〔 It has been recorded from: * The Atlantic〔 * British Isles〔 * European waters〔 * Madagascar〔 * Mascarene Basin〔 * Mediterranean Sea〔 * Mozambique〔 * The Pacific Ocean〔 * South Africa〔 * The West Coast of Ireland〔 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「Janthina exigua」の詳細全文を読む スポンサード リンク
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