Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Agaricomycotina Doweld (2001) Class Tremellomycetes Doweld (2001) Order Filobasidiales Jülich (1982) 1 Family Filobasidiaceae L.S. Olive (1968) 2 Family Piskurozymaceae Xin Zhan Liu, F.Y. Bai, M. Groenew. & Boekhout (2015)