Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Agaricomycotina Doweld (2001) Class Agaricomycetes Doweld (2001) Order Polyporales Gäum. (1926) Family Meripilaceae Jülich (1982) Genus Pseudonadsoniella T.O. Kondr. & S.Y.Kondr. (2015)