Machado, Angelo; Souza, Marcos. «A remarkable new species of Heteragrion from Brazil (Odonata: Megapodagrionidae)». International Journal of Odonatology. 17. ISSN1388-7890. doi:10.1080/13887890.2014.925514
Machado, Angelo; Souza, Marcos. «A remarkable new species of Heteragrion from Brazil (Odonata: Megapodagrionidae)». International Journal of Odonatology. 17. ISSN1388-7890. doi:10.1080/13887890.2014.925514