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''Voragonema'' is a genus of jellyfish belonging to the family Rhopalonematidae. The genus comprises four species.〔Lindsay, Dhugal & Francesc Pagès, 2010. "''Voragonema tatsunoko'' (Trachymedusae: Rhopalonematidae) a new species of benthopelagic medusa, host to the hyperiid amphipod ''Mimonectes spandli'' (Physosomata: Mimonectidae)." ''Zootaxa'' 2671: 31-39.〕 Unlike most hydromedusae, these jellyfish do not have a sessile stage. Rather, they spend their entire lives in the water column as plankton. Centripetal expansions protruding from the ring canal is a characteristic that separates this genus from other genera in the family Rhopalonematidae. == Species == *''Voragonema laciniata'' *''Voragonema pedunculata'' *''Voragonema profundicola'' *''Voragonema tatsunoko'' 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「Voragonema」の詳細全文を読む スポンサード リンク
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