Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Agaricomycetes Doweld (2001)
       Order Cantharellales Gäum. (1926)
         Family Hydnaceae Chevall. (1826)
           Genus Sistotrema Fr. (1821), nom. sanct.