Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Agaricomycotina Doweld (2001) Class Tremellomycetes Doweld (2001) Order Tremellales Fr. (1821) Family Phragmoxenidiaceae Oberw. & R. Bauer (1990) 1 Genus Phragmoxenidium Oberw. (1990)