Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Tremellomycetes Doweld (2001)
       Order Tremellales Fr. (1821)
         Family Cryptococcaceae Kütz. ex Castell. & Chalm. (1919)
           1 Genus Cryptococcus Vuill. (1901), nom. cons.
           2 Genus Kwoniella Statzell & Fell (2008)