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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 Stegops ： ウィキペディア英語版 Stegops ''Stegops'' is an extinct genus of euskelian temnospondyl from the Late Carboniferous of the eastern United States. Fossils are known from the Pennsylvanian coal deposits of Linton, Ohio. It was once classified in the eryopoid family Zatrachydidae because it and other zatrachydids have spikes extending from the margins of its skull, but it is now classified as a dissorophoid that independently evolved spikes. ''Stegops'' was first named by American paleontologist Edward Drinker Cope in 1885, with his description of the type species ''Stegops divaricata''. Cope had also named a species of ''Sauropleura'' from Linton in 1875, which he called ''Sauropleura newberryi''. This species was later synonymized with ''Stegops divaricata'' when the type specimen of ''S. newberryi'' was prepared and found to be a large specimen of ''Stegops''. ==Phylogeny== ''Stegops'' was included in a phylogenetic analysis in 2006. It was placed in the clade Dissorophoidea, but because it shared features with both of the two main dissorophoid groups, Amphibamidae and Olsoniformes, its exact placement within Dissorophoidea is uncertain.〔 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「Stegops」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.