摘要
对采自新疆西准噶尔和丰县中泥盆统（相当于艾菲尔阶）呼吉尔斯特组下部的沙顿蕨一新种——曲柄沙顿蕨（Ｓａｗ ｄｏｎｉａ ｃｕｒｓｔｉｐａ ｓｐ．ｎｏｖ．）进行了一些形态学方面的描述，并与已知的沙顿蕨属（Ｓａｗ ｄｏｎｉａ）的两个种Ｓ．ｏｒｎａｔａ 和Ｓ．ａｃａｎｔｈｏｔｈｅｃａ 作了对比。研究表明，Ｓ．ｃｕｒｓｔｉｐａ
A new species,Sawdonia curstipa was found in the Hujiersite Formation of the Middle Devonian(Eifelian) from Hefeng County of Xinjiang Autonomous Region,China.Morphologically,this species was different from S.ornata and S.acanthotheca in stalk length,pattern of sporangial insertion,etc.Both axis and emergence possessed oblong epidermal cells.
基金
国家自然科学基金
