Present classification Kirk et al. (2001)
Hymenomycetes
Tremellomycetidae
  Christianseniales
    Cystofilobasidilaes
    Filobasidiales
    Tremellales
    Trichosporonales
  Dacrymycetales
  Auriculariales
  Homobasidiomycetes
    Ceratobasidiales
    Tulasnellales
    [and thirteen other clades equivalent to Agaricomycetidae sensu Kirk et al (2001).]
Basidiomycetes
Tremellomycetidae
  Auriculariales
    Ceratobasidiales
    Christianseniales
    Cystofilobasidilaes
    Dacrymycetales
    Filobasidiales
    Tremellales
    Tulasnellales
  Agaricomycetidae
    [divided into eight orders]