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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 Jaekelopterus ： ウィキペディア英語版 Jaekelopterus ''Jaekelopterus'' ("Otto Jaekel's wing) is an extinct genus of sea scorpion. ''Jaekelopterus'' lived approximately 390 million years ago. At an estimated length of , it is the largest known arthropod ever discovered, surpassing the famous millipede-like ''Arthropleura''. There are two species, one being the type species, ''J. rhenaniae'', from freshwater strata in the Rhineland, and ''J. howelli'' from estuarine strata in Wyoming. ==Description== ''Jaekelopterus'' is currently the largest known eurypterid and the largest known arthropod. The ''J. rhenaniae'' claw was found near Prüm in Germany. To work out the size of the arthropod it belonged to, Braddy and colleagues collected information on closely related sea scorpions and the ratio between their claw size and body length. This turned out to be relatively constant, leading the researchers to conclude that a creature with a 46-centimetre claw probaby had a body length of between 233 and 259 centimetres.〔 When extended, the chelicerae would have added to its length.〔 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「Jaekelopterus」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.