山西怀仁早二叠世一些带种子的蕨类植物

SOME NEW SEED BEARING PTERIDOSPERMS IN LOWER PERMIAN IN HUAIREN,SHANXI PROVWCE

本文记述了三个产自怀仁吴家窑早二叠世地层中的带种子（壳斗，植物化石新种Ｐｅｃｏｐｔｅｒｉｓｍａｇｎｉ－ｆｏｌｉａ（ｓｐ．ｎｏｖ），Ｐｈｕａｉｒｅｎｓｉｓ（ｓｐ．ｎｏｖ），Ｐｅｃｏｐｔｅｒｉｓｓｐ（ｓｐ．ｎｏｖ）。详细描述了新种的形态学特征，并与之相近分子进行了比较。当前材料的发现为蕨叶的分类学研究提供了新的依据。

Three new species of seed─bearing Pteridospermums,Pecopteris magnifolia (sp.nov),P.huairensis(sp. nov)and Pecopteris sp.(sp.nov),found in Lower Permain at Wajiayao, Huairen coun-ty,Shanxi province are reported. The morphological properties of the new species are described in de-tail and cowpared with some similar molecules. The informafions obtained at present are useful to pro-vide new foundation for classification of Pteridophyta.