A Dichocarpum-like Angiosperm from the Early Cretaceous of China
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This research is supported by the National Natural Science Foundation of China (41688103, 91514302, 91114201) awarded to X.W.; and State Forestry Administration of China (No. 2005–122), Science and Technology Project of Guangdong (No. 2011B060400011), and Special Funds for Environmental Projects of Shenzhen (No. 2013-02) awarded to Z. J. L.. This is a contribution to UNESCO IGCP632.


A Dichocarpum-like Angiosperm from the Early Cretaceous of China
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    摘要:

    The Yixian Formation (the Early Cretaceous) of China has yielded a diverse group of early angiosperms, revealing the charm of angiosperms from the formation is far from finishing. Here we report a fossil angiosperm, Nothodichocarpum gen. et sp. nov, with physically connected female parts, male parts, branches, and leaves with pinnate reticulate venation from the Yixian Formation of Liaoning, China. In addition to the previous reports, this report underscores the diversity of angiosperms in the Early Cretaceous Yixian Formation and earlier origin of angiosperms. The morphological variations in the reproductive parts in different stages allow us to infer the development of this early angiosperm. This fossil plant demonstrates a unique character assemblage that sheds new light on the origin and evolution of carpels.

    Abstract:

    The Yixian Formation (the Early Cretaceous) of China has yielded a diverse group of early angiosperms, revealing the charm of angiosperms from the formation is far from finishing. Here we report a fossil angiosperm, Nothodichocarpum gen. et sp. nov, with physically connected female parts, male parts, branches, and leaves with pinnate reticulate venation from the Yixian Formation of Liaoning, China. In addition to the previous reports, this report underscores the diversity of angiosperms in the Early Cretaceous Yixian Formation and earlier origin of angiosperms. The morphological variations in the reproductive parts in different stages allow us to infer the development of this early angiosperm. This fossil plant demonstrates a unique character assemblage that sheds new light on the origin and evolution of carpels.

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HAN Gang, LIU Zhongjian, WANG Xin.2017. A Dichocarpum-like Angiosperm from the Early Cretaceous of China[J]. ACTA GEOLOGICA SINICA(English edition),91(1):1~8

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  • 收稿日期:2016-03-01
  • 最后修改日期:2016-12-14
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  • 在线发布日期: 2017-01-23
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