Pérez-Gutiérrez, L. A., and J. M. Montes-Fontalvo. “Heteropodagrion Croizati sp. Nov. (Odonata: Megapodagrionidae) With a Key to the Known Species of the Genus”. Zootaxa, vol. 2810, no. 1, Apr. 2011, pp. 63–68, doi:10.11646/zootaxa.2810.1.7.