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Crinozoa
Crinozoa is a subphylum of mostly sessile echinoderms, of which, the crinoids, or sea lilies, are the only extant members. Crinozoans have an extremely extensive fossil history which may or may not extend into the Precambrian (provided the enigmatic Ediacaran ''Arkarua'' can be positively identified as an edrioasteroid). ==See also==
* List of echinodermata orders * Crinoids * Blastoid * Paracrinoid * Edrioasteroidea
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「Crinozoa」の詳細全文を読む
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