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Two new genera and two new species of fossil Throscidae: Potergosoma gratiosa gen. et sp. nov. and Rhomboaspis laticollis gen. et sp. nov. are described from the Lower Cretaceous Lebanese amber and are compared with extant and extinct genera. The described amber inclusions are the oldest known representatives of the family Throscidae. Some hypotheses on the phylogeny of the family Throscidae and the position of it in the superfamily Elateroidea are discussed. 相似文献
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