Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Agaricomycotina Doweld (2001) Class Agaricomycetes Doweld (2001) Order Agaricales Underw. (1899) Family Tricholomataceae R.Heim ex Pouzar (1983), nom. cons. Genus Porpoloma Singer (1952)