<ref name="Hashimoto_1997">{{cite journal |first1=Y. |last1=Hashimoto |year=1997 |title=Phylogenetic systematics of Formicidae based on morphological characters. [In Japanese.] |url= |journal=Nature and Insects (Konchu to Shizen) |publisher= |volume=32 |issue=10 |pages=17–21 |doi= }}</ref>