Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Ustilaginomycotina Doweld (2001) Class Exobasidiomycetes Begerow, M. Stoll & R. Bauer (2007) Order Georgefischeriales R. Bauer, Begerow & Oberw. (1997) Family Tilletiariaceae R.T.Moore (1980) 1 Genus Phragmotaenium R. Bauer, Begerow, A. Nagler & Oberw. (2001) 2 Genus Tilletiaria Bandoni & B.N. Johri (1972) 3 Genus Tolyposporella G.F.Atk. (1897)