Ogden, T.H., Osborne, J.T., Jacobus, L.M. and Whiting, M.F. 2009. Combined molecular and morphological phylogeny of Ephemerellinae (Ephemerellidae: Ephemeroptera), with remarks about classification. Zootaxa. 1991, 1 (Jan. 2009), 28–42. DOI:https://doi.org/10.11646/zootaxa.1991.1.2.