Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Agaricomycetes Doweld (2001)
       Order Atheliales Jülich (1982)
         Family Atheliaceae Jülich (1982)
           01 Genus Amphinema P.Karst. (1892)
           02 Genus Athelia Pers. (1822)
           03 Genus Athelicium K.H. Larss. & Hjortstam (1986)
           04 Genus Athelocystis Hjortstam & Ryvarden (2010)
           05 Genus Athelopsis Oberw. ex Parmasto (1968)
           06 Genus Butlerelfia Weresub & Illman (1980)
           07 Genus Byssocorticium Bondartsev & Singer (1944)
           08 Genus Elaphocephala Pouzar (1983)
           09 Genus Hypochnella J.Schröt. (1888)
           10 Genus Hypochniciellum Hjortstam & Ryvarden (1980)
           11 Genus Leptosporomyces Jülich (1972)
           12 Genus Lobulicium K.H. Larss. & Hjortstam (1982)
           13 Genus Lyoathelia Hjortstam & Ryvarden (2004)
           14 Genus Melzericium Hauerslev (1975)
           15 Genus Mycostigma Jülich (1976)
           16 Genus Piloderma Jülich (1969)
           17 Genus Pteridomyces Jülich (1979)
           18 Genus Taeniospora Marvanová (1977)
           19 Genus Tretomyces K.H. Larss., Kotir. & Saaren. (2011)
           20 Genus Tylospora Donk (1960)