[1] BARDEN, P.&GRIMALDI, D. 2013: A new genus of highly specia-lized ants in Cretaceous Burmese amber (Hymenoptera: For-micidae). – Zootaxa 3681: 405-412.
[2] BARDEN, P.&GRIMALDI, D. 2012: Rediscovery of the bizarre Cre-taceous ant Haidomyrmex DLUSSKY (Hymenoptera: Formici-dae), with two new species. – American Museum Novitates 3755: 1-16.
[3] Perrichot, Vincent. (2014). A new species of the Cretaceous ant Zigrasimecia based on the worker caste reveals placement of the genus in the Sphecomyrminae (Hymenoptera: Formicidae). Myrmecological News. 19. 165-169.