Von Ellenrieder, N.; Garrison, R. W. 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 2008, 1805, 1–51.