Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Ustilaginomycotina Doweld (2001) 1 Class Exobasidiomycetes Begerow, M. Stoll & R. Bauer (2007) 2 Class Malasseziomycetes Denchev & T. Denchev (2014) 3 Class Moniliellomycetes Q.M. Wang, F.Y. Bai & Boekhout (2014) 4 Class Ustilaginomycetes Warm. (1884) - smut fungi