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

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Prophaenognatha, a New Aclopinae Genus from the Yixian Formation, China and Its Phylogenetic Position Based on Morphological Characters (Coleoptera: Scarabaeidae)
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Fund Project:We gratefully acknowledge the assistance of Dr. Frank-Thorsten Krell (DMNS: Denver Museum of Nature and Science, USA) and Dr. Dirk Ahrens (ZFMK: Zoologisches Forschungsmuseum A. Koenig Bonn, Germany) for discussion and help with the phylogenetic analysis. We are grateful to Dr. Shih ChungKun (College of Life Science, Capital Normal University, China) for improvement of our manuscript. This research was 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) and the PHR20090509, 201107120 Project of Beijing Municipal Commission of Education.

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Abstract:

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.

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BAI Ming, REN Dong, YANG Xingke.2011. Prophaenognatha, a New Aclopinae Genus from the Yixian Formation, China and Its Phylogenetic Position Based on Morphological Characters (Coleoptera: Scarabaeidae)[J]. Acta Geologica Sinica(),85(5):984-993

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Received:June 11,2010
Revised:November 15,2010
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