Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Agaricomycotina Doweld (2001) Class Agaricomycetes Doweld (2001) Order Agaricales Underw. (1899) Family Omphalotaceae Bresinsky (1985) Genus Pusillomyces J.S. Oliveira (2019)