Dlussky, G. M.; Rasnitsyn, A. P. (2009). "Ants (Insecta: Vespida: Formicidae) in the Upper Eocene Amber of Central and Eastern Europe". Paleontological Journal. 43 (9): 1024–1042. doi:10.1134/S0031030109090056. S2CID84191149.
Dlussky, G. M.; Rasnitsyn, A. P. (2009). "Ants (Insecta: Vespida: Formicidae) in the Upper Eocene Amber of Central and Eastern Europe". Paleontological Journal. 43 (9): 1024–1042. doi:10.1134/S0031030109090056. S2CID84191149.