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A Dichocarpum-like Angiosperm from the Early Cretaceous of China
作者姓名:HAN Gang  LIU Zhongjian  WANG Xin
作者单位:1 Hainan Tropical Ocean University, Sanya 572022, China; 2 Palaeontological Center, Bohai University, Jinzhou 121013, China,2 Palaeontological Center, Bohai University, Jinzhou 121013, China; 3 Shenzhen Key Laboratory for Orchid Conservation and Utilization, National Orchid Conservation Center of China and Orchid Conservation & Research Center of Shenzhen, Shenzhen 518114, China,4 State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS, Nanjing 210008, China
基金项目: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.
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.

关 键 词:angiosperm    Nothodichocarpum    Early  Cretaceous    Liaoning    Yixian  Formation
收稿时间:2016/3/1 0:00:00
修稿时间:2016/12/14 0:00:00

A Dichocarpum-like Angiosperm from the Early Cretaceous of China
Authors:HAN Gang  LIU Zhongjian and WANG Xin
Institution:1. Hainan Tropical Ocean University, China;2. Palaeontological Center, Bohai University, China;3. Shenzhen Key Laboratory for Orchid Conservation and Utilization, National Orchid Conservation Center of China and Orchid Conservation & Research Center of Shenzhen, China;4. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS, China
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.
Keywords:angiosperm  Nothodichocarpum  Early Cretaceous  Liaoning  Yixian Formation
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