This key is translated and modified from Baccaro et al (2015) with permission of the authors
- Mandibles long and generally linear, with more than three teeth and separated from the clypeus when closed .....Stigmatomma (Neotropical species ID)
- Mandibles short and narrow, with three teeth or less, and close to the clypeus when closed .....Prionopelta (Neotropical species ID)
- Baccaro, F.; Feitosa, R. F.; Fernando, F.; Fernandes, I. O.; Izzo, T. J.; de Souza, J. L. P.; Solar, R. Guia para os gêneros de formigas do Brasil. Editora Inpa. Manaus, 2015. 388 pp.