Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Agaricomycetes Doweld (2001)
       Order Agaricales Underw. (1899)
         Family Porotheleaceae Murrill (1916)
           Genus Porotheleum Fr. (1818), nom. sanct.