[1]
N. Von Ellenrieder and R. W. Garrison, “Oreiallagma gen. nov. with a redefinition of Cyanallagma Kennedy 1920 and Mesamphiagrion Kennedy 1920, and the description of M. dunklei sp. nov. and M. ecuatoriale sp. nov. from Ecuador (Odonata: Coenagrionidae)”, Zootaxa, vol. 1805, no. 1, pp. 1–51, Jun. 2008.