早白垩世Ruffordia goepperti的原位孢子及与分散孢子的关系
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国家自然科学基金(编号49202017)的研究成果


Relationship Between the Early Cretaceous Ruffordia goepperti and Dispersed Spores Cicatricosisporites
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    摘要:

    海金沙特的Ruffordia goepperti(Dunker)Seward是世界上早白垩世极为重要的蕨类植物。通过对比发现,Ruffordia goepperti原位孢子的形态和细微纹饰与地层中分散孢子Cicatricosisporites australiensis(Cookson)Potonie和C.minor(Bolch.)Pocock一致,而且大化石与分散孢子的地史、地理分布范围也相同,

    Abstract:

    Comparison of the in situ spores of the Early Cretaceous Schizaeaceous fern Ruffordia goep-perti (Dunk. ) Seward with the dispersed spores from the Lower Cretaceous indicates that the spores of R. goepperti are identical to Cicatricosisparties australiensis (Cookson) Potonie and C. minor (Bolch. ) Pocock both in the outlines and ornamentation. Besides, the megafossils and the dispersed spores have the similar stratigraphic and geographic distributions. Therefore, Ruffordia goepperti is the parent plant of Cicatricosisporites australiensis and C. minor and the latter one represents the unripe spores. The stratigraphic and paleoecologic significance of this relationship is discussed.

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邓胜徽.1998.早白垩世Ruffordia goepperti的原位孢子及与分散孢子的关系[J].地质论评,44(3):243-248,[DOI].
Deng Shenghui.1998. Relationship Between the Early Cretaceous Ruffordia goepperti and Dispersed Spores Cicatricosisporites[J]. Geological Review,44(3):243-248.

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