File:Barden et al-2017-Systematic Entomology-5.jpg

Barden, P., Hollister W.H., Grimaldi, D.A. 2017. A new genus of hell ants from the Cretaceous (Hymenoptera:Formicidae: Haidomyrmecini) with a novel head structure. Systematic Entomology 42:837-846.]]