Costa, J. M., C. T. Ravanello, and G. M. Souza-Franco. “Description of a New Species of Neocordulia Selys, 1882 (Odonata: Libellulidae, Corduliinae) from Southern Brazil”. Zootaxa, vol. 1704, no. 1, Feb. 2008, pp. 64–68, doi:10.11646/zootaxa.1704.1.5.