Traigo aquí unas referencias que nos dió AgD en Febrero del 2003

Filogenia y Evolucion del Orden Hymenoptera. Bol. SEA, 26, 1999 : 459-474

1.- A formicine in New Jersey Cretaceous amber (Hymenoptera: Formicidae) and early evolution of the ants
2.- Carpenter, J.M. and D.A. Grimaldi, 1996. Social Wasps in Amber. Am.Mus.Novitates 3203: 7pp., 4 figs.
3.- Grimaldi, D., D. Agosti and J.M. Carpenter, 1997. New and rediscovered primitive Ants (Hymenoptera: Formicidae) in Cretaceous Amber from New Jersey, and their phylogenetic Relationships. Am. Mus. Novitates 3208: 43pp., 24 figs. 1 tab.