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In situ reproductive organs of Early Cretaceous ferns from Northeast China

机译:中国东北早白垩世蕨类植物的原位生殖器官

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FILICOPSIDA is a predominant group of the Early Cretaceous floras of Northeast China, which approximates 100 species and accounts for more than one third of the floras. The majority of this group are of great importance and significance in stratigraphy. The previous studies of these ferns are mainly morphological, with only a few concerning the in situ spores and sporangia. In recent years, the authors have carried out a research project on the in situ reproductive organs of the Early Cretaceous ferns from 7 basins of Inner Mongolia, Liaoning, Jilin and Heilongjiang of Northeast China. The study focuses on 35 species of 17 genera belonging to 10 families. The present note briefly introduces the results of this study by listing some representative species.
机译:FILICOPSIDA是中国东北白垩纪早期植物区系的主要群体,约有100种,占植物区系的三分之一以上。该组中的大多数在地层学中具有重要意义。先前对这些蕨类植物的研究主要是形态学的,只有很少的关于原位孢子和孢子囊的研究。近年来,作者对来自内蒙古,辽宁,吉林和黑龙江7个盆地的早白垩世蕨类植物的原位生殖器官进行了研究。该研究集中在属于10个科的17个属的35种。本说明通过列出一些代表性物种来简要介绍本研究的结果。

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