New Angarosphecidae (Insecta: Hymenoptera: Apoidea) from the Lower Cretaceous of Northeastern China |
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| Authors: | Qi?Zhang Email author" target="_blank">A?P?RasnitsynEmail author Haichun?Zhang |
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| Institution: | 1.State Key Laboratory of Paleobiology and Stratigraphy, Nanjing Institute of Geology and Paleontology,Chinese Academy of Sciences,Nanjing,China;2.University of Chinese Academy of Sciences,Beijing,China;3.Borissiak Paleontological Institute,Russian Academy of Sciences,Moscow,Russia;4.Natural History Museum,London,UK |
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| Abstract: | Two new species of the family Angarosphecidae, Angarosphex saxosus sp. nov. and Vitimosphex vividus sp. nov., from the Lower Cretaceous Yixian Formation of northeastern China are described and illustrated. Generic diagnoses are revised. The genera Palaeapis Hong, 1984, Mataeosphex: Zhang, 1985, and Calobaissodes Zhang, 1992 are synonymized under Angarosphex Rasnitsyn, 1975, and new combinations Angarosphex beiboziensis (Hong, 1984), comb. nov., Angarosphex venulosus (Zhang, 1985), comb. nov., and Angarosphex strigosus Zhang, 1992, comb. nov. are proposed. The genus Vitimosphex Rasnitsyn, 1975 is found reaching northeastern China in its distribution. New morphological data are presented to complete characteristics of the genera concerned. |
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