New fossil ommatid (Coleoptera: Archostemata: Ommatidae) from Jehol Biota of western Liaoning, China

In this paper one new genus and one new species of fossil ommatid, Odontomma trachylaena gen. et sp. nov., is described and illustrated from the Late Jurassic or Early Cretaceous Yixian Formation of western Liaoning, China. Based on wide epipleural space of elytron with several rows of cells, the new taxa is attributed to tribe Brochocoleini of Ommatidae and compared with genus Brochocoleus. Due to the fact that most other Chinese Mesozoic ommatids are not complete, the complete preservation of the new specimens reported here enabled us to determine the characteristics of the body of these ancient ommatid. Moreover, based on the well-preserved individual of this new genus, we may suppose the affinities of the new species with extant and extinct groups.

作 者： REN Dong TAN Jingjing GE Siqin   作者單位： REN Dong,TAN Jingjing(College of Life Science, Capital Normal University, Beijing 100037, China)

GE Siqin(Institute of Zoology, Chinese Academy of Sciences, Beijing 100080, China) 

刊 名： 自然科學(xué)進(jìn)展（英文版）  SCI 英文刊名： PROGRESS IN NATURAL SCIENCE  年，卷(期)： 2006 16(6)  分類號： N1  關(guān)鍵詞： Ommatidae   Late Jurassic   Early Cretaceous   Liaoning Province  

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