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Capitata (Hydrozoa) : ウィキペディア英語版 | Capitata (Hydrozoa)
Capitata is a suborder of Hydrozoa, a class of marine invertebrates belonging to the phylum Cnidaria. ==Characteristics== Members of this suborder are characterised by the tentacles of the polyps terminating in knobs. In some species these are only present in juvenile forms being replaced in adults by more threadlike tentacles. A high nematocyst concentration is present in the knobs. A few species in this group are better known as their solitary medusa form than as their polyp form. These include ''Sarsia'', ''Polyorchis'' and ''Cladonema''.
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「Capitata (Hydrozoa)」の詳細全文を読む
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