Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Sordariomycetes O.E. Erikss. & Winka (1997)
       Family Thyridiaceae O.E. Erikss. & J.Z. Yue (1987)
         1 Genus Balzania Speg. (1899)
         2 Genus Mattirolia Berl. & Bres. (1889)
         3 Genus Thyridium Nitschke (1867)
         4 Genus Thyronectroidea Seaver (1909)