A Dichocarpum-like Angiosperm from the Early Cretaceous of China  

作　　者：HAN Gang LIU Zhongjian WANG Xin 

机构地区：[1]Hainan Tropical Ocean University, Sanya 572022, 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

出　　处：《Acta Geologica Sinica(English Edition)》2017年第1期1-8,共8页地质学报（英文版）

基　　金：supported by the National Natural Science Foundation of China (41688103,91514302,91114201) awarded to X.W.;State Forestry Administration of China (No.2005–122);Science and Technology Project of Guangdong (No.2011B060400011);Special Funds for Environmental Projects of Shenzhen (No.2013-02) awarded to Z.J.L.

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.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 

分 类 号：P534.53[天文地球—古生物学与地层学] Q914[天文地球—地质学]