Domain Eucaryota
   Subdomain Amoebota Doweld (2001)
     Kingdom Mucorobiota Doweld (2001)
       Subkingdom Tuberobiotina Doweld (2001)
         Phylum Ustilaginomycota R.T.Moore (1980)
           Subphylum Agaricomycotina Doweld (2001)
             Class Tremellomycetes Doweld (2001)