Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Agaricomycetes Doweld (2001)
       Order Polyporales Gäum. (1926)
         Family Steccherinaceae Parmasto (1968)
           01 Genus Antella Miettinen (2016)
           02 Genus Antrodiella Ryvarden & I. Johans. (1980)
           03 Genus Atraporiella Ryvarden (2007)
           04 Genus Austeria Miettinen (2016)
           05 Genus Butyrea Miettinen (2016)
           06 Genus Cabalodontia Piątek (2004)
           07 Genus Caudicicola Miettinen, M. Kulju & Kotir. (2017)
           08 Genus Citripora Miettinen (2016)
           09 Genus Elaphroporia Z.Q. Wu & C.L. Zhao (2018)
           10 Genus Flabellophora G.Cunn. (1965)
           11 Genus Flaviporus Murrill (1905)
           12 Genus Frantisekia Spirin & Zmitr. (2007)
           13 Genus Junghuhnia Corda (1842)
           14 Genus Lamelloporus Ryvarden (1987)
           15 Genus Loweomyces (Kotl. & Pouzar) Jülich (1982)
           16 Genus Metuloidea G.Cunn. (1965)
           17 Genus Mycorrhaphium Maas Geest. (1962)
           18 Genus Niemelaea Zmitr., Ezhov & Khimich (2015)
           19 Genus Nigroporus Murrill (1905)
           20 Genus Steccherinum Gray (1821)
           21 Genus Trullella Zmitr. (2018)
           22 Genus Xanthoporus Audet (2010)