<ref name="Snelling_1973">{{cite journal |first1=R. R. |last1=Snelling |year=1973 |title=Two ant genera new to the United States (Hymenoptera: Formicidae) |url=https://antcat.org/documents/2901/2719.pdf |journal=Contributions in Science (Los Angeles) |publisher= |volume=236 |issue= |pages=1–8 |doi= }}</ref>