Durán-Ruiz, C.; Riquelme, F.; Coutiño-José, M.; Carbot-Chanona, G.; Castaño-Meneses, G.; Ramos-Arias, M. 2013. Ants from the Miocene Totolapa amber (Chiapas, Mexico), with the first record of the genus Forelius (Hymenoptera, Formicidae). Canadian Journal of Earth Sciences 50:495-502. PDF