Prophaenognatha,a New Aclopinae Genus from the Yixian Formation,China and Its Phylogenetic Position Based on Morphological Characters(Coleoptera:Scarabaeidae)  

作　　者：Ming BAI Dong REN Xingke YANG 

机构地区：[1]Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China [2]College of Life Sciences, Capital Normal University, Beijing 100037, China

出　　处：《Acta Geologica Sinica(English Edition)》2011年第5期984-989,991-993,990,共10页地质学报(英文版)

基　　金：supported by the National Basic Research Program of China(973 Program)(No. 2011CB302102);the National Natural Science Foundation of China(Nos.30900144,31071964,40872022 and 31010103913);the Knowledge Innovation Program of Chinese Academy of Sciences(Nos.KSCX2-EW-G-4, KSCX2-EW-Z-8 and KSCX3-IOZ-1004);the Scientific Research Key Program(KZ200910028005);the PHR20090509,201107120 Project of Beijing Municipal Commission of Education

摘　　要：Prophaenognatha robusta gen.et sp.nov.(Scarabaeoidea:Scarabaeidae:Aclopinae),the best-preserved aclopine fossil so far,is described and illustrated from the Upper Jurassic-Lower Cretaceous Yixian Formation of the Jehol Biota,western Liaoning Province,NE China.The key to extinct and extant genera of Aclopinae is given and the monophyly of extant and fossil Aclopinae lineages is supported by five character states.The new taxon provides evidence about the evolution of Scarabaeoidea with its phylogenetic position inferred based on 68 morphological characters.Prophaenognatha robusta gen.et sp.nov.(Scarabaeoidea:Scarabaeidae:Aclopinae),the best-preserved aclopine fossil so far,is described and illustrated from the Upper Jurassic-Lower Cretaceous Yixian Formation of the Jehol Biota,western Liaoning Province,NE China.The key to extinct and extant genera of Aclopinae is given and the monophyly of extant and fossil Aclopinae lineages is supported by five character states.The new taxon provides evidence about the evolution of Scarabaeoidea with its phylogenetic position inferred based on 68 morphological characters.

关 键 词：JURASSIC-CRETACEOUS scarab beetles Aclopinae Prophaenognatha TAXONOMY Jehol biota China 

分 类 号：Q915[天文地球—古生物学与地层学]