Salles, F. F., and E. Domínguez. “Systematics and Phylogeny of Ulmeritus-Ulmeritoides Revisited (Ephemeroptera: Leptophlebiidae)”. Zootaxa, vol. 3571, no. 1, Dec. 2012, pp. 49–65, doi:10.11646/zootaxa.3571.1.3.