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A new genus of myrmicine ant (Hymenoptera: Formicidae) from Eocene Baltic amber

Abstract : Examination of fossil ant specimens from various private and institutional German collections of Baltic amber has revealed a new genus and species of Myrmicinae, described here as Thanacomyrmex hoffeinsorum gen. et sp. nov. The new worker morphotype shares some similarities with the coeval extinct genus Parameranoplus Wheeler, also from Baltic amber, and the extant genera Pristomyrmex Mayr and Acanthomyrmex Emery, suggesting placement of the new fossil in the Myrmecina genus-group within the tribe Crematogastrini. The new genus highlights the tremendous diversity of ants that evolved in the Palaeogene European forests and composed the first major radiation of crown-group ants.
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Cédric Chény, Bo Wang, Vincent Perrichot. A new genus of myrmicine ant (Hymenoptera: Formicidae) from Eocene Baltic amber. Comptes Rendus Palevol, Elsevier Masson, 2019, 18 (6), pp.589-597. ⟨10.1016/j.crpv.2019.05.005⟩. ⟨insu-02296266⟩

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