Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
Status: extant
   Subphylum Ustilaginomycotina Doweld (2001)
  Status: extant
     Class Exobasidiomycetes Begerow, M. Stoll & R. Bauer (2007)
    Status: extant
       Order Doassansiales R. Bauer & Oberw. (1997)
      Status: extant
         Family Doassansiaceae R.T.Moore ex P.M.Kirk, P.F. Cannon & J.C. David (2001)
        Status: extant
           Genus Nannfeldtiomyces Vánky (1981)
          Status: extant