The oldest known fossil member of Cordulegastroidea is the family Araripechlorogomphidae (containing only Araripechlorogomphus) from the late Aptian of Brazil, which is thought to be related to the Chlorogomphidae.[2]
References
^ abDijkstra, Klaas-Douwe B.; Bechly, Günter; Bybee, Seth M.; Dow, Rory A.; Dumont, Henri J.; Fleck, Günther; Garrison, Rosser W.; Hämäläinen, Matti; Kalkman, Vincent J.; Karube, Haruki; May, Michael L.; Orr, Albert G.; Paulson, Dennis R.; Rehn, Andrew C.; Theischinger, Günther; Trueman, John W.H.; van Tol, Jan; von Ellenrieder, Natalia; Ware, Jessica (2013). "The classification and diversity of dragonflies and damselflies (Odonata)". Zootaxa. 3703 (1). Magnolia Press: 36–45. doi:10.11646/zootaxa.3703.1.9. hdl:10072/61365.