Andrade, M. L., Urbani, C. B., Brandão, C. R. F., & Wagensberg, J. 1999: Two new species of Leptothorax 'Nesomyrmex' fossils in Dominican amber (Hymenoptera: Formicidae). - Beiträge Zur Entomologie = Contributions to Entomology 49(1): 133-140 - doi: 10.21248/contrib.entomol.49.1.133-140