Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Agaricomycotina Doweld (2001) Class Agaricomycetes Doweld (2001) Order Boletales E.-J. Gilbert (1931) Family Sclerodermataceae Corda (1842) Genus Horakiella Castellano & Trappe (1992)