New discovery of Palaeontinid fossils from the Middle Jurassic in Daohugou, Inner Mongolia (Homoptera, Palaeontinidae)

被引:24
作者
Wang Ying [1 ]
Ren Dong [1 ]
Shih ChungKun [1 ]
机构
[1] Capital Normal Univ, Coll Life Sci, Beijing 100037, Peoples R China
来源
SCIENCE IN CHINA SERIES D-EARTH SCIENCES | 2007年 / 50卷 / 04期
基金
中国国家自然科学基金;
关键词
Palaeontinidae; new species; fossil; Middle Jurassic; Inner Mongolia;
D O I
10.1007/s11430-007-0029-5
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
Three new species of fossil Palaeontinidae are described from Daohugou Village, Inner Mongolia, China: Daohugoucossus shii sp. nov., D. parallelivenius sp. nov., D. lii sp. nov. The diagnosis of Daohugoucossus Wang, Zhang and Fang, 2006 is revised. These materials are the first complete fossil palaeontinids in the Middle Jurassic of the world. Based on observation of these new specimens, Sc of this new genus has the following combined characters: joined with R at base, diverged near M separation, coalesced with R before the nodal line, extended beyond the nodal line and fused with R-1 before distal end. Due to the Sc characteristics mentioned above, the genus Liaocossus Ren, Yin and Dou, 1998 can be well distinguished from "Ilerdocosus-complex".
引用
收藏
页码:481 / 486
页数:6
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