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)
         01 Family Ascobolaceae Boud. ex Sacc. (1884)
         02 Family Ascodesmidaceae J.Schröt. (1893)
         03 Family Caloscyphaceae Harmaja (2002)
         04 Family Carbomycetaceae Trappe (1971) see Family Pezizaceae Dumort. (1829)
         05 Family Discinaceae Benedix (1961)
         06 Family Glaziellaceae J.L. Gibson (1986)
         07 Family Helvellaceae Fr. (1823)
         08 Family Karstenellaceae Harmaja (1974)
         09 Family Morchellaceae Rchb. (1834)
         10 Family Pezizaceae Dumort. (1829)
         11 Family Pyronemataceae Corda (1842)
         12 Family Rhizinaceae Bonord. (1851)
         13 Family Sarcoscyphaceae Le Gal ex Eckblad (1968)
         14 Family Sarcosomataceae Kobayasi (1937)
         15 Family Tuberaceae Dumort. (1822)
         16 Genus Delastria Tul. & C.Tul. (1843)
         17 Genus Discinella P.Karst. (1891)
         18 Genus Filicupula Y.J. Yao & Spooner (1996)
         19 Genus Loculotuber Trappe, Parladé & I.F. Alvarez (1993)
         20 ?Genus Microeurotium Ghatak (1936)
         21 Genus Orcadia G.K. Sutherl. (1915)
         22 Genus Urceolaria Bonord. (1851), nom. illeg.