Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Ustilaginomycotina Doweld (2001)
     Class Ustilaginomycetes Warm. (1884) - smut fungi
       Order Ustilaginales G.Winter (1880)
         1 Family Anthracoideaceae Denchev (1997)
         2 Family Cintractiellaceae Vánky (2003)
         3 Family Clintamraceae Vánky (2001)
         4 Family Geminaginaceae Vánky (2001)
         5 Family Melanotaeniaceae Begerow, R. Bauer & Oberw. (1998)
         6 Family Pericladiaceae Vánky (2011)
         7 Family Ustilaginaceae Tul. & C.Tul. (1847)
         8 Family Websdaneaceae Vánky (2001)