Bolton, B., and B. L. Fisher. “Afrotropical Ants of the Ponerine Genera Centromyrmex Mayr, Promyopias Santschi Gen. Rev. and Feroponera Gen. N., With a Revised Key to Genera of African Ponerinae (Hymenoptera: Formicidae)”. Zootaxa, vol. 1929, no. 1, Nov. 2008, pp. 1–37, doi:10.11646/zootaxa.1929.1.1.