<ref name="Radchenko_&_Dlussky_2019">{{cite journal |first1=A. G. |last1=Radchenko |first2=G. M. |last2=Dlussky |year=2019 |title=First record of the ant genus ''Crematogaster'' (Hymenoptera: Formicidae) from the Late Eocene European ambers |url=https://antcat.org/documents/7541/radchenko_dlussky_2019_rovno_amber_crematogaster.pdf |journal=Annales Zoologici (Warsaw) |publisher= |volume=69 |issue= |pages=417–421 |doi=10.3161/00034541ANZ2019.69.2.008 }}</ref>