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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 Bathyuriscus ： ウィキペディア英語版 Bathyuriscus ''Bathyuriscus'' is an extinct genus of Cambrian trilobite. It was a nektobenthic predatory carnivore. The genus Bathyuriscus is endemic to the shallow seas that surrounded Laurentia. Its major characteristics are a large forward-reaching glabella, pointed pleurae or pleurae with very short spines, and a medium pygidium with well-impressed furrows. Complete specimens have never reached the size of 7 cm predicted by the largest pygidium found. ''Bathyuriscus'' is often found with the free cheeks shed, indicating a moulted exoskeleton.〔Coppold, Murray and Wayne Powell (2006). ''A Geoscience Guide to the Burgess Shale'', p.56. The Burgess Shale Geoscience Foundation, Field, British Columbia. ISBN 0-9780132-0-4.〕 An average specimen will in addition have a furrowed glabella, crescent-shaped eyes, be semi-circular in overall body shape, have 7 to 9 thoracic segments, and a length of about 1.5 inches. == Etymology == ''Bathyuriscus'' is a variation of ''Bathyurus'', originally based on the Ancient Greek βαθύς (bathys) "deep", oura, "tail", thus, a trilobite with a deep tail. 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「Bathyuriscus」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.