<ref name="Grimaldi_et_al_1997">{{cite journal |first1=D. |last1=Grimaldi |first2=D. |last2=Agosti |first3=J. M. |last3=Carpenter |year=1997 |title=New and rediscovered primitive ants (Hymenoptera: Formicidae) in Cretaceous amber from New Jersey, and their phylogenetic relationships |url=https://antcat.org/documents/3895/8419.pdf |journal=American Museum Novitates |publisher= |volume=3208 |issue= |pages=1–43 |doi= }}</ref>