Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Agaricomycotina Doweld (2001) Class Agaricomycetes Doweld (2001) Order Boletales E.-J. Gilbert (1931) Family Serpulaceae Jarosch & Bresinsky (2001) Genus Gymnopaxillus E.Horak (1966)