【作者】 谭京晶；

【导师】 任东；

【作者基本信息】 首都师范大学 ， 遗传学， 2005， 硕士

【摘要】 本文回顾了长扁甲科分类研究的历史和现状,描述了长扁甲的外部形态特征和生物学,总结了我国长扁甲科化石的研究历史、现状及化石产地的基本情况。文中整理研究了首都师范大学昆虫演化与环境变迁重点实验室所收藏的长扁甲类化石标本,共描述长扁甲科和眼甲科化石8属20种,包括4新属:卵长扁甲属Ovalcupes gen.nov.,光滑长扁甲属Calvcupes gen.nov.,纤细长扁甲属Gracilcupes gen.nov.,波纹眼甲属Amblomma gen.nov.,和20新种:宽扁原始长扁甲Priacma latidentata sp.nov.,肾突原始长扁甲Priacma renaria sp.nov.,坑点原始长扁甲Priacma foveolata sp.nov.,瘤点延展长扁甲Priacmopsis tylodessp.nov.,奇异卵长扁甲Ovalcupes alienus gen.et sp.nov.,扁平中长扁甲Mesocupescomplanus sp.nov.,巨大光滑长扁甲Calvcupes grandis gen.et sp.nov.,膨股纤细长扁甲Gracilcupes grossicrus gen.et sp.nov.,细股纤细长扁甲Gracilcupestenuicrus gen.et sp.nov.,平滑波纹眼甲Amblomma psilata gen.et sp.nov.,粗糙波纹眼甲Amblomma rudis gen.et sp.nov,美丽波纹眼甲Amblomma epicharis gen.etsp.nov.,强壮波纹眼甲Amblomma lata gen.et sp.nov.,稳固波纹眼甲Amblommastabilis gen.et sp.nov.,扁平波纹眼甲Amblomma plana gen.et sp.nov.,美脉波纹眼甲Amblomma eumeura gen.et sp.nov.,前伸波纹眼甲Amblomma porrecta gen.etsp.nov.,稍小波纹眼甲Amblomma miniscula gen.et sp.nov.,圆齿波纹眼甲Amblomma cyclodonta gen.et sp.nov,完整四瘤长扁甲Tetraphalerus decorus sp.nov.其中2个属在世界上是最低层位,3个属在我国是首次报道。文中分别给出各属的鉴别特征,编制出区分族,属、种的检索表,对所有新属新种进行详细描记,并利用LAICAM Z12. 5实体显微镜所带的绘图臂绘制出标本形态特征图。在讨论部分,简要总结了长扁甲科化石昆虫分类的一些重要特征。初步探讨了在同一时代地层中发现Amblomma属内多个种之间的生存关系,并根据长扁甲类的生物地理分布特点,初步分析了该类群在中生代繁盛的原因。研究标本均保存在首都师范大学生命科学学院。更多还原

【Abstract】 Eastern Inner Mongolia and Western Liaoning are located in the northeast part of China. It has preserved comprehensive deposits of long geological history, yielding abundant fossils. This area is one of the most typical areas in the world, with well-developed continental Mesozoic sediments. Most notable fossils from this area are from the terrestrial Jurassic especially in Jiulongshan Formation of Middle Jurassic and Yixian formation of Late Jurassic, where abundant beetle fossils including cupedids, ommatids and other beetles have been discovered, providing important evidence for the study of the origin and early evolution of beetles.The present paper is a taxonomy study of the fossil Cupedidae and Ommatidae from northeast China. First of all, the researching history on Cupedidae is given. Secondly, the morphology, biology and distribution of adults are reviewed. At last, a taxonomic work on Jurassic Cupeidae and Ommatidae is presented. 20 species of 8 genera within Cupedidae and Ommatidae are reported, of which 20 species and 4 genera are new to science. Of the 8 genera studied, 3 genera are first recorded from China and 2 genera are the oldest in geological history in the world.The new genera and new species in this paper are listed as follows:New genera: Ovalcupes gen. nov., Calvcupes gen. nov., Gracilcupes gen.nov., and Amblomma gen. nov.New species: Priacma latidentata sp.nov., Priacma renaria sp.nov., Priacma foveolata sp.nov., Priacmopsis tylodes sp.nov., Ovalcupes alienus gen. et sp.nov., Mesocupes complanus sp. nov., Calvcupes grandis gen. et sp.nov., Gracilcupess grossicrus gen. et sp.nov., Gracilcupes tenuicrus gen. et sp.nov., Amblomma psilata gen. et sp. nov., Amblomma rudis gen. et sp.nov., Amblomma epicharis gen. et sp.nov., Amblomma lata gen. et sp.nov., Amblomma stabilis gen. et sp.nov., Amblomma plana gen. et sp.nov., Amblomma eumeura gen. et sp.nov., Amblomma porrecta gen. et sp.nov., Amblomma miniscula gen. et sp.nov., Amblomma cyclodonta gen. et sp.nov. and Tetraphalerus decorus sp.nov.Keys to the tribes of Cupedinae, genera of Priacmini, Cupedini and Mesocupedini, and species of Priacma and Amblomma are given. The important critical characteristics of fossil cupedids are summarized. And the possible reason why many species of Amblomma are found from the same horizon is discussed.Gracilcupess grossicrus gen. et sp.nov.and Gracilcupes tenuicrus gen. et sp.nov. are collected in Daohugou Villiage, Ningcheng country, Inner Mongolia from the Middle Jurassic Jiulongshan Formation. Other specimens described here are collected in Chaomidian village, Beipiao city, Liaoning Province from the Late Jurassic Yixian Formation. The specimens were examined with LAICA MZ12.5 dissecting microscope and illustrated with the aid of a drawing tube attached to microscope. All the type specimens described here are deposited in the College of Life Science, Capital Normal University in Beijing, China.更多还原