T. H.  Ogden, Gattolliat, J. L., Sartori, M., Staniczek, a.H., Soldán, T., and Whiting, M. F., ?Towards a new paradigm in mayfly phylogeny (Ephemeroptera): combined analysis of morphological and molecular data?, Systematic Entomology, vol. 34, pp. 616?634, 2009.

H.  T Ogden, Osbourne, J. T., Jacobus, L. M., and Whiting, M. F., ?Combined molecular and morphological phylogeny of Ephemerellinae (Ephemerellidae: Ephemeroptera), with remarks about classification?, Zootaxa, vol. 1991, pp. 28?42, 2009.