Garrison, R.W., Dijkstra, K.-D.B., Hämäläinen, M. & Villanueva, R.J.T. (2015) Mitragomphus ganzanus Needham, 1944, a geographically misplaced dragonfly, is a junior synonym of Gomphidia kirschii Selys, 1878 (Odonata: Gomphidae). Zootaxa, 3911 (2), 280–286.