New fossil beetles of the family Ommatidae (Coleoptera: Archostemata) from the Jehol Biota of China

被引:0
|
作者
Tan Jingjing
Ren Dong [1 ]
Shih Chungkun
Ge Siqin
机构
[1] Capital Normal Univ, Coll Life Sci, Beijing 100037, Peoples R China
[2] Chinese Acad Sci, Inst Zool, Beijing 100080, Peoples R China
关键词
Ommatidae; Jehol Biota; Late Jurassic; Early Cretaceous; Yixian Formation; Liaoning;
D O I
暂无
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
A new genus with one new species and five new species of genus Amblomma of fossil ommatids are described and illustrated: Euryomma tylodes gen. et sp. nov., Amblomma cyclodonta sp. nov., Amblomma miniscula sp. nov., Amblomma porrecta sp. nov'., Amblomma eumeura sp. nov., and Amblomma protensa sp. nov. All of them were collected from the Upper Jurassic or Lower Cretaceous Yixian Formation of western Liaoning, China. A key to the species of Amblomma is given. The wide epipleural space shows that Euryomma may be a primitive genus in Ommatidae. Many different species of Amblomma occurred within the same sedimentary horizon in this area could be environmental changes caused by frequent volcanic activities during the deposition of the Yixian Formation.
引用
收藏
页码:474 / 485
页数:12
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