Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Leotiomycetes O.E. Erikss. & Winka (1997)
       Order Thelebolales P.F. Cannon (2001) [monotypic]
         Family Thelebolaceae Engl. (1892)
           01 Genus Antarctomyces Stchigel & Guarro (2001)
           02 Genus Ascophanus Boud. (1869)
           03 Genus Ascozonus (Renny) E.C. Hansen (1876)
           04 Genus Caccobius Kimbr. (1967)
           05 Genus Cleistothelebolus Malloch & Cain (1971)
           06 Genus Coprobolus Cain & Kimbr. (1970)
           07 Genus Leptokalpion Brumm. (1977)
           08 Genus Pseudascozonus Brumm. (1985)
           09 Genus Ramgea Brumm. (1992)
           10 Genus Thelebolus Tode (1790), nom. sanct.