Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Agaricomycetes Doweld (2001)
       Order Hymenochaetales Oberw. (1977)
         Family Rickenellaceae Vizzini (2010)
           1 Genus Alloclavaria Dentinger & D.J. McLaughlin (2007)
           2 Genus Atheloderma Parmasto (1968)
           3 Genus Contumyces Redhead, Moncalvo, Vilgalys & Lutzoni (2002)
           4 Genus Cotylidia P.Karst. (1881)
           5 Genus Globulicium Hjortstam (1973)
           6 Genus Peniophorella P.Karst. (1889), nom. dub.
           7 Genus Resinicium Parmasto (1968)
           8 Genus Rickenella Raithelh. (1973)