After Parker, 1982

<==o Phragmobasidiomycetes ()
   |--o Heterobasidiomycetidae ()
   |  |--o Eutremellales ()
   |  |  |-- Auriculariaceae ()
   |  |  |-- Hyaloriaceae ()
   |  |  |-- Phleogenaceae ()
   |  |  |-- Sirobasidiaceae ()
   |  |  `-- Tremellaceae ()
   |  `--o Septobasidiales ()
   |     `-- Septobasidiaceae ()
   `--o Metabasidiomycetidae ()
      `--o Metatremellales ()
         |-- Tulasnellaceae ()
         |-- Ceratobasidiaceae ()
         `-- Dacrymycetaceae ()

Reference(s):