organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Eukaryota Chatton, 1925 - eukaryotes
     Kingdom Fungi R.T.Moore (1980) - fungi
       Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
         Class Basidiomycetes G.Winter (1880)
           Subclass Agaricomycetidae Locq. ex Parmasto (1986)
             Order Polyporales Gäum. (1926)
               Family Cystostereaceae Jülich (1982)
                 1 Genus Cericium Hjortstam (1995)
                 2 Genus Crustomyces Jülich (1978)
                 3 Genus Cystidiodontia Hjortstam (1983)
                 4 Genus Cystostereum Pouzar (1959)
                 5 Genus Dentocorticium (Parmasto) M.J. Larsen & Gilb. (1974)
                 6 Genus Parvobasidium Jülich (1975)
                 7 Genus Physodontia Ryvarden & H. Solheim (1977)
                 8 Genus Pteridomyces Jülich (1979)