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Aequoreidae
Aequoreidae is a hydrozoan family. There are approximately 30 known species found in temperate and tropical marine coastal environments.〔 Aequoreids include ''Aequorea victoria'', the organism from which the green fluorescent protein gene was isolated.〔 ==Polyps==
Only the polyp stages of '' Aequorea'' species have been observed.〔 The colonies are covered with chitinous periderm and can be either prostrate or erect with weak or sympodial branching.〔 Young possess with a closing structure called ''operculum'',〔 which consists of several relatively long triangular folds that meet together in the centre when a disturbed polyp contracts.〔 Because the operculum is quite fragile, hydrothecae of old polyps usually have only a small chininous collar remaining.〔 Comparatively large cylindrical are attached to the colony with a thin peduncle.〔 Commonly only one medusa develops in each gonotheca.〔
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「Aequoreidae」の詳細全文を読む
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