1. Archibald, S.B., Cover, S.P., and Moreau, C.S., Bulldog ants of the Eocene Okanagan Highlands and history of the subfamily (Hymenoptera: Formicidae: Myrmeciinae), Ann. Entomol. Soc. Am., 2006, vol. 99, no. 3, pp. 487–523.
2. Archibald, S.B., Rasnitsyn, A.P., Brothers, D.J., and Mathewes, R.W., Modernisation of the Hymenoptera: ants, bees, wasps, and sawflies of the early Eocene Okanagan Highlands of western North America, Can. Entomol., 2018, vol. 150, pp. 205–257.
3. Aria, C., Perrichot, V., and Nel, A., Fossil Ponerinae (Hymenoptera: Formicidae) in Early Eocene amber of France, Zootaxa, 2011, vol. 2870, pp. 53–62.
4. Baroni Urbani, C., Rediscovery of the Baltic amber ant genus Prionomyrmex (Hymenoptera, Formicidae) and its taxonomic consequences, Eclogae Geol. Helv., 2000, vol. 93, pp. 471–480.
5. Baroni Urbani, C., Phylogeny and biogeography of the ant subfamily Prionomyrmecinae (Hymenoptera, Formicidae), Ann. Mus. Civ. St. Natur. Genova, 2005, vol. 96, pp. 581–595.