Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Ustilaginomycotina Doweld (2001) Class Exobasidiomycetes Begerow, M. Stoll & R. Bauer (2007) Order Doassansiales R. Bauer & Oberw. (1997) Family Doassansiaceae R.T.Moore ex P.M.Kirk, P.F. Cannon & J.C. David (2001) Genus Pseudodermatosorus Vánky (1999)