@article {Ogden2009a,
	title = {Combined molecular and morphological phylogeny of Ephemerellinae (Ephemerellidae: Ephemeroptera), with remarks about classification},
	journal = {Zootaxa},
	volume = {1991},
	year = {2009},
	pages = {28{\textendash}42},
	keywords = {ephemerellidae, ephemeroptera, mayflies, molecular phylogeny, pannota},
	author = {Ogden, T Heath and Osbourne, JT and Jacobus, LM and Whiting, M.F.}
}
@article {Ogden2005a,
	title = {Phylogeny of Ephemeroptera (mayflies) based on molecular evidence},
	journal = {Molecular Phylogenetics and Evolution},
	volume = {37},
	year = {2005},
	pages = {625{\textendash}643},
	keywords = {direct, ephemeroptera, evolution of xight, mandibular tusks, mayxies, molecular phylogeny, origin of wings, pterygota, sensitivity analysis},
	doi = {10.1016/j.ympev.2005.08.008},
	url = {http://www.sciencedirect.com/science/article/pii/S1055790305002617},
	author = {Ogden, TH and Whiting, MF}
}
