<ref name="Kempf_1951">{{cite journal |first1=W. W. |last1=Kempf |year=1951 |title=A taxonomic study on the ant tribe Cephalotini (Hymenoptera: Formicidae) |url=https://antcat.org/documents/1755/4542.pdf |journal=Revista de Entomologia (Rio de Janeiro) |publisher= |volume=22 |issue= |pages=1–244 |doi= }}</ref>