Kingdom Fungi R.T.Moore (1980) - fungi
   Subkingdom Dikarya Hibbett, T.Y. James & Vilgalys (2007)
     Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
       Subphylum Agaricomycotina Doweld (2001)
         Class Tremellomycetes Doweld (2001)
           1 Order Cystofilobasidiales Fell, Roeijmans & Boekhout (1999)
           2 Order Filobasidiales Jülich (1982)
           3 Order Tremellales Fr. (1821)