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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 Gumuia ： ウィキペディア英語版 Gumuia ''Gumuia'' is a genus of extinct vascular plants of the Early Devonian (Pragian or Siegenian, around ). The genus was first described in 1989 based on fossil specimens from the Posongchong Formation, Wenshan district, Yunnan, China. ==Description and phylogeny== The sporophyte of ''G. zyzzata'' consisted of leafless stems (axes) with an apparently sympodial organization. Fertile stems had a spike-like organization, with both lateral and terminal sporangia (spore-forming organs); successive sporangia developed on alternate sides of short stems. The genus was tentatively placed in the "zosterophylls".〔 (the English title in the online version has the misspelling "Gumoia")〕 A cladogram published in 2004 by Crane et al. places ''Gumia'' in a paraphyletic stem group of broadly defined "zosterophylls", basal to the lycopsids (living and extinct clubmosses and relatives). 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「Gumuia」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.