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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 Draconichthys ： ウィキペディア英語版 Draconichthys ''Draconichthys elegans'' is a selenosteid arthrodire placoderm from the Late Frasnian Kellwasserkalk facies of the Anti-Atlas Mountains of what is now Morocco.〔 During the Late Devonian, the region would have been a shallow, algae-dimmed sea. ''D. elegans'' differs from all other selenosteids in the structure of its gnathal plates, which are comparatively large, and have long teeth-like prongs. This feature strongly suggests that it was a predatory animal, and used its pronged gnathal plates to prevent seized prey from squirming out of its mouth. The anatomy of its skull, however, is otherwise very typical of selenosteids, being very similar to the genera ''Enseosteus'', ''Rhinosteus'', and ''Walterosteus''. ''D. elegans'' is currently known from a single skull about 112 millimetres in length.〔 ==References== 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「Draconichthys」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.