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

Riquelme, F.; Ortega-Flores, B.; Estrada-Ruiz, E.; Córdova-Tabares, V. 2025. Zircon U–Pb ages of the Chiapas Amber-Lagerstätte in the uppermost Simojovel Formation, southwest Mexico. Canadian Journal of Earth Sciences 62 (6):1088-1103. 10.1139/cjes-2024-0100