Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Agaricomycotina Doweld (2001) Class Tremellomycetes Doweld (2001) Order Cystofilobasidiales Fell, Roeijmans & Boekhout (1999) Family Cystofilobasidiaceae K. Wells & Bandoni (2001) 1 Genus Cystofilobasidium Oberw. & Bandoni (1983)