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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 Petalilium ： ウィキペディア英語版 Petalilium ''Petalilium'' (sometimes misspelled ''Petalium'') is an enigmatic genus of Cambrian organism of probable cephalopod affinity known from the Haikou area, from the Maoshoiatan mudstone member of the Chengjiang biota. The taxon is a junior synonym of ''Nectocaris pteryx''. == Morphology == Fossils of ''Petalilium''〔(originally described as ''Vetustovermis'' by Chen ''et al''. 2005, but recognised as ''Petalilium'' by Smith & Caron 2010)〕 show a dorsoventrally flattened body, usually 5 to 6 centimetres, but ranging from 1.5 to 10 cm. It has an ovate trunk region and a large muscular foot, and a head with stalked eyes and a pair of long tentacles. The trunk region possesses about 50 soft, flexible, transverse bars, lateral serialised structures of unknown function. The upper part of the body, interpreted as a mantle, is covered with a random array of spines on the back, while gills project underneath. A complete, tubular gut runs the length of the body. 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「Petalilium」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.