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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Davidaster rubiginosus ： ウィキペディア英語版 Davidaster rubiginosus ''Davidaster rubiginosus'' or the orange sea lily is a species of crinoid in the family Comasteridae. At one time it was classified as ''Nemaster rubiginosa'' but the World Register of Marine Species has determined that the valid name is ''Davidaster rubiginosus''.〔 It is found on reefs in the tropical western Atlantic and the Caribbean Sea. ==Description== The orange sea lily is a stalkless crinoid. It has twenty to thirty five arms long radiating from the calyx, a cup-like body with a lid, the tegmen. Each arm is feather-like and has many pinnules projecting alternately from one side and the other. These have an ambulacral groove on the oral surface which is continuous with the groove on the arm. The arms are usually orange with yellow curved up tips but there is some variation in colour and they are sometimes white with black tips. The grooves are black. The arms and pinnules are composed of a series of jointed plates and there are three tube feet at each junction. The tube feet produce strands of mucus which trap plankton. Food particles are passed along the grooves by cilia to the mouth which is at the centre of the tegmen. 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「Davidaster rubiginosus」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.