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Janthinidae, common name the purple snails or violet snails, are a family of pelagic sea snails, marine gastropod mollusks in the informal group Ptenoglossa of the clade Hypsogastropoda. This planktonic group has modified its foot to produce "rafts" of mucus bubbles used in flotation. ==Genera== Genera in the family Janthinidae include: * ''Janthina'' Röding, 1798 * ''Recluzia'' Petit de la Saussaye, 1853 ;The following genera have been brought into synonymy : * ''Iodes'' Mörch, 1860: synonym of ''Janthina'' Röding, 1798 * ''Iodina'' Mörch, 1860 : synonym of ''Janthina'' Röding, 1798 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「Janthinidae」の詳細全文を読む スポンサード リンク
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