Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Agaricomycetes Doweld (2001)
       Order Polyporales Gäum. (1926)
         Genus Cystidiopostia B.K. Cui, L.L. Shen & Y.C. Dai (2018), incertae sedis