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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 Paralycoptera ： ウィキペディア英語版 Paralycoptera ''Paralycoptera wui'' is an extinct species of basal osteoglossoid from Early Cretaceous freshwater environments of what is now China. ''P. wui'' was originally described as a lycopterid osteoglossomorph close to ''Lycoptera'', though, later, on the basis of several well preserved specimens, Xu and Chang (2009) reassessed it as a basal osteoglossoid on the basis of better-preserved fossil material.〔XU, G.-H. and CHANG, M.-M. (2009), Redescription of †Paralycoptera wui Chang & Chou, 1977 (Teleostei: Osteoglossoidei) from the Early Cretaceous of eastern China. Zoological Journal of the Linnean Society, 157: 83–106. doi: 10.1111/j.1096-3642.2009.00532.x〕 Xu and Chang also synonymized the second described species, ''P. changi'', as well as ''Tanolepis'' and ''Yungkangichthys hsitanensis'' (while neglecting the Japanese species, ''Y. macrodon''), alleging that all of them were too similar to ''P. wui'' to merit separate generic or specific status, and that any anatomical differences between these taxa were due to taphonomic distortions of the specimens. In the same study, Xu and Chang also synonymized the related Japanese osteoglossomorph genus, ''Aokiichthys'', on the basis of the two genera having an almost identical number of vertebrae, though they did not specify whether they were simply merging the two genera together, or if all the species within ''Aokiichthys'' were to be demoted as synonyms of ''P. wui''. ==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「Paralycoptera」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.