Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Agaricomycetes Doweld (2001)
       Order Hymenochaetales Oberw. (1977)
         Family Rickenellaceae Vizzini (2010)
           Genus Contumyces Redhead, Moncalvo, Vilgalys & Lutzoni (2002)