Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Leotiomycetes O.E. Erikss. & Winka (1997)
       Order Helotiales Nannf. (1932)
         Family Ascocorticiaceae J.Schröt. (1893)
           1 Genus Ascocorticiellum Jülich & B. de Vries (1982)
           2 Genus Ascocorticium Bref. (1891)
           3 Genus Ascosorus Henn. & Ruhland (1900)