Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Tremellomycetes Doweld (2001)
       Order Tremellales Fr. (1821)
         Family Tremellaceae Fr. (1821)
           1 Genus Hormomyces Bonord. (1851)
           2 Genus Mycocryptococcus Pollacci & Nann. (1927)
           3 Genus Tremella Pers. (1801), nom. sanct., nom. cons.