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 Steccherinaceae Parmasto (1968)
                 01 Genus Amethicium Hjortstam (1983)
                 02 Genus Antrodiella Ryvarden & I. Johans. (1980)
                 03 Genus Australohydnum Jülich (1978)
                 04 Genus Cinereomyces Jülich (1982)
                 05 Genus Diplomitoporus Domański (1970)
                 06 Genus Fibricium J.Erikss. (1958)
                 07 Genus Flaviporus Murrill (1905)
                 08 Genus Irpex Fr. (1825), nom. sanct.
                 09 Genus Junghuhnia Corda (1842)
                 10 Genus Lamelloporus Ryvarden (1987)
                 11 Genus Mycoleptodonoides Nikol. (1952)
                 12 Genus Mycorrhaphium Maas Geest. (1962)
                 13 Genus Steccherinum Gray (1821)
                 14 Genus Stegiacantha Maas Geest. (1966)