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) 1 Family Eballistraceae R. Bauer, Begerow, A. Nagler & Oberw. (2001) 2 Family Georgefischeriaceae R. Bauer, Begerow & Oberw. (1997) 3 Family Gjaerumiaceae R. Bauer, M. Lutz & Oberw. (2005) 4 Family Tilletiariaceae R.T.Moore (1980)