File:Grimaldi Agosti Carpenter 1997-16 Baikuris-casei.jpg

Grimaldi, D.; Agosti, D.; Carpenter, J. M. 1997. New and rediscovered primitive ants (Hymenoptera: Formicidae) in Cretaceous amber from New Jersey, and their phylogenetic relationships. Am. Mus. Novit. 3208: 1-43