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 Agaricomycetes Doweld (2001)
           Order Sebacinales M. Weiss, Selosse, Rexer, A. Urb. & Oberw. (2004), incertae sedis
             1 Genus Sebacina Tul. & C.Tul. (1871)
             2 Genus Tremellodendron G.F.Atk. (1902) see Genus Sebacina Tul. & C.Tul. (1871)
             3 Genus Piriformospora Sav. Verma, Aj. Varma, Rexer, G. Kost & P. Franken (1998) see Genus Serendipita P. Roberts (1993)