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Article: Mesozoic Trachypachidae (Insecta: Coleoptera) from China

Publication: Palaeontology
Volume: 55
Part: 2
Publication Date: March 2012
Page(s): 341 353
Author(s): Bo Wang, Haichun Zhang and Alexandr G. Ponomarenko
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How to Cite

WANG, B., ZHANG, H., PONOMARENKO, A. G. 2012. Mesozoic Trachypachidae (Insecta: Coleoptera) from China. Palaeontology55, 2, 341–353.

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Four well-preserved beetles, attributed to Eodromeinae within Trachypachidae, are described from the Mesozoic of Inner Mongolia, China. Eodromeus robustus sp. nov., E. daohugouensis sp. nov. and Unda chifengensis sp. nov. are from the Middle Jurassic of Daohugou. The diagnostic characters for the two genera are revised, and all species of these genera are keyed. A new genus and species, Sinodromeus liutiaogouensis gen. nov., sp. nov., is described from the Lower Cretaceous Yixian Formation of Liutiaogou. The current fossil records of Trachypachidae from China are reviewed, and only five species (four described here) can be convincingly attributed to this family. The morphological disparity of Mesozoic Eodromeinae suggests that they evolved a broad spectrum of locomotory lifestyles.
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