Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Pezizomycetes O.E. Erikss. & Winka (1997) [monotypic]
       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 Chorioactidaceae Pfister (2008)
         05 Family Discinaceae Benedix (1961)
         06 Family Glaziellaceae J.L. Gibson (1986) [monotypic]
         07 Family Helvellaceae Fr. (1823)
         08 Family Karstenellaceae Harmaja (1974) [monotypic]
         09 Family Morchellaceae Rchb. (1834)
         10 Family Otideaceae Eckblad (1968)
         11 Family Pezizaceae Dumort. (1829)
         12 Family Pyronemataceae Corda (1842)
         13 Family Rhizinaceae Bonord. (1851)
         14 Family Sarcoscyphaceae Le Gal ex Eckblad (1968)
         15 Family Sarcosomataceae Kobayasi (1937)
         16 Family Tuberaceae Dumort. (1822)
         17 Genus Aparaphysaria Speg. (1922), incertae sedis
         18 Genus Ascocalathium Eidam ex J.Schröt. (1893), incertae sedis
         19 Genus Boudierella Sacc. (1895), incertae sedis
         20 Genus Cephaliophora Thaxt. (1903), incertae sedis
         21 Genus Cidaris Fr. (1849), incertae sedis
         22 Genus Dennisiopsis Subram. & Chandrash. (1977), incertae sedis
         23 Genus Filicupula Y.J. Yao & Spooner (1996), incertae sedis
         24 Genus Geopyxis (Pers.) Sacc. (1889), incertae sedis
         25 Genus Heydenia Fresen. (1852), incertae sedis
         26 Genus Hiemsia Svrček (1969), incertae sedis
         27 Genus Hydnocystis Tul. & C.Tul. (1844), incertae sedis
         28 Genus Hypotarzetta Donadini (1985), incertae sedis
         29 Genus Lamprospora De Not. (1863), incertae sedis
         30 Genus Lasiobolidium Malloch & Cain (1971), incertae sedis
         31 Genus Lazuardia Rifai (1988), incertae sedis
         32 Genus Leucoscypha Boud. (1885), incertae sedis
         33 Genus Loculotuber Trappe, Parladé & I.F. Alvarez (1993), incertae sedis
         34 Genus Microeurotium Ghatak (1936), incertae sedis
         35 Genus Mycoarctium K.P.Jain & Cain (1973), incertae sedis
         36 Genus Mycogalopsis Gjurašin (1925), incertae sedis
         37 Genus Neottiella (Cooke) Sacc. (1889), incertae sedis
         38 Genus Octospora Hedw. (1789), incertae sedis
         39 Genus Octosporella Döbbeler (1980), incertae sedis
         40 Genus Octosporopsis U. Lindemann & M. Vega (2014), incertae sedis
         41 Genus Orbicula Cooke (1871), incertae sedis
         42 Genus Orcadia G.K. Sutherl. (1915), incertae sedis
         43 Genus Paurocotylis Berk. (1855), incertae sedis
         44 Genus Pseudoboubovia U. Lindemann, M. Vega, B. Perić & R. Tena (2015), incertae sedis
         45 Genus Pseudombrophila Boud. (1885), incertae sedis
         46 Genus Pulvinula Boud. (1885), nom. cons., incertae sedis
         47 Genus Rhodoscypha Dissing & Sivertsen (1983), incertae sedis
         48 Genus Rhodotarzetta Dissing & Sivertsen (1983), incertae sedis
         49 Genus Solanella Vaňha (1910), incertae sedis
         50 Genus Sphaerosoma Klotzsch (1839), incertae sedis
         51 Genus Stephensia Tul. & C.Tul. (1845), incertae sedis
         52 Genus Tarzetta (Cooke) Lambotte (1887), incertae sedis