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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 Conopeum seurati ： ウィキペディア英語版 Conopeum seurati ''Conopeum seurati'' is a species of colonial bryozoan in the order Cheilostomata. It is native to the northeastern Atlantic Ocean, the North Sea and the Mediterranean Sea. This species has been introduced to New Zealand and Florida. ==Description== ''Conopeum seurati'' is an encrusting bryozoan that forms small colonies on seagrasses, shells and other hard surfaces. When a larva of ''Conopeum seurati'' settles on a suitable surface, it undergoes metamorphosis into a zooid known as an ancestrula. This is oval in shape and measures about . The ancestrula buds to produce another zooid which has a pair of long spines at the distal end and sometimes a further three to five pairs of thin spines at the sides. Further asexual reproduction takes place, with each zooid producing several buds until there is a small, roughly circular encrusting cluster of zooids, white or brownish-white in colour, with the ancestrula at the centre. On flat surfaces the colony is regular and lacy in appearance but on uneven surfaces, it is more irregular and may form lobes. Some colonies are also spherical. Each individual zooid bears a lophophore, the characteristic feeding apparatus of bryozoans, with fifteen or sixteen ciliated tentacles, used to filter phytoplankton. The operculum, a flap that hinges to form a lid over the aperture of the lophophore, has a membranous edge and is chitinised. It is thick and crescent-shaped when closed. The walls between the zooids are calcified on the proximal edge and membranous elsewhere. 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「Conopeum seurati」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.