Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Pezizomycetes O.E. Erikss. & Winka (1997)
       Order Pezizales J.Schröt. (1894)
         Family Ascobolaceae Boud. ex Sacc. (1884)
           1 Genus Ascobolus Pers. (1792), nom. sanct.
           2 Genus Cleistoiodophanus J.L. Bezerra & Kimbr. (1976)
           3 Genus Cubonia Sacc. (1889)
           4 Genus Saccobolus Boud. (1869)
           5 Genus Thecotheus Boud. (1869)