Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
Class Leotiomycetes O.E. Erikss. & Winka (1997)
Order Helotiales Nannf. (1932)
Family Helotiaceae Rehm (1892), nom. cons.
01 Genus Allophylaria (P.Karst.) P.Karst. (1870)
02 Genus Ameghiniella Speg. (1888)
03 Genus Aquadiscula Shearer & J.L. Crane (1985)
04 Genus Ascocalyx Naumov (1926), nom. protect.
05 Genus Ascoclavulina Y. Otani (1974)
06 Genus Ascocoryne J.W. Groves & D.E. Wilson (1967), nom. protect.
07 Genus Ascotremella Seaver (1930)
08 Genus Austrocenangium Gamundí (1997)
09 ?Genus Banksiamyces G.W. Beaton (1982)
10 Genus Belonioscyphella Höhn. (1918)
11 Genus Bioscypha Syd. (1927)
12 Genus Bisporella Sacc. (1884)
13 Genus Bryoscyphus Spooner (1984)
14 Genus Bulgariella P.Karst. (1885)
15 Genus Bulgariopsis Henn. (1902)
16 ?Genus Calloriopsis Syd. & P.Syd. (1917)
17 Genus Capillipes R. Sant. (1956)
18 Genus Carneopezizella Svrček (1987)
19 Genus Cenangiopsis Rehm (1912)
20 Genus Cenangium Fr. (1818), nom. sanct.
21 Genus Cenangiumella J. Fröhl. & K.D.Hyde (2000)
22 Genus Chlorencoelia J.R. Dixon (1975)
23 Genus Chlorociboria Seaver ex C.S. Ramamurthi, Korf & L.R. Batra (1958), nom. cons., nom. protect.
24 Genus Chloroscypha Seaver (1931)
25 Genus Claussenomyces Kirschst. (1923), nom. protect.
26 Genus Cordierites Mont. (1840)
27 Genus Crocicreas Fr. (1849)
28 Genus Crumenella P.Karst. (1890)
29 Genus Crumenulopsis J.W. Groves (1969), nom. protect.
30 Genus Cudoniella Sacc. (1889)
31 Genus Dencoeliopsis Korf (1971)
32 Genus Dictyonia Syd. & P.Syd. (1904)
33 Genus Discinella Boud. (1885)
34 Genus Encoeliopsis Nannf. (1932)
35 Genus Episclerotium L.M. Kohn (1984)
36 Genus Erikssonopsis M. Morelet (1971)
37 Genus Eubelonis Höhn. (1926)
38 Genus Gelatinodiscus Kanouse & A.H.Sm. (1940)
39 ?Genus Gelatinopsis Rambold & Triebel (1990)
40 Genus Gloeopeziza Zukal (1891)
41 Genus Godronia Moug. & Lév. (1846), nom. protect.
42 Genus Godroniopsis Diehl & E.K. Cash (1929), nom. protect.
43 Genus Gorgoniceps (P.Karst.) P.Karst. (1871)
44 Genus Grahamiella Spooner (1981)
45 Genus Gremmeniella M. Morelet (1969), nom. protect.
46 Genus Grimmicola Döbbeler & Hertel (1983)
47 Genus Grovesia Dennis (1960)
48 Genus Grovesiella M. Morelet (1969)
49 Genus Heterosphaeria Grev. (1824)
50 Genus Heyderia Link (1833)
51 Genus Holmiodiscus Svrček (1992)
52 Genus Holwaya Sacc. (1889), nom. protect.
53 Genus Hymenoscyphus Gray (1821)
54 Genus Jacobsonia Boedijn (1935)
55 Genus Metapezizella Petr. (1968)
56 Genus Micraspis Darker (1963)
57 ?Genus Micropodia Boud. (1885)
58 Genus Mniaecia Boud. (1885)
59 Genus Mollisinopsis Arendh. & R. Sharma (1984)
60 Genus Mytilodiscus Kropp & S.E. Carp. (1984)
61 Genus Neocudoniella S.Imai (1941)
62 Genus Nipterella Starbäck ex Dennis (1962)
63 Genus Ombrophila Fr. (1849)
64 ?Genus Pachydisca Boud. (1885)
65 Genus Parencoelia Petr. (1950)
66 Genus Parorbiliopsis Spooner & Dennis (1986)
67 Genus Patinellaria H.Karst. (1885)
68 Genus Pestalopezia Seaver (1942)
69 Genus Phaeangellina Dennis (1955)
70 Genus Phaeofabraea Rehm (1909)
71 Genus Phaeohelotium Kanouse (1935)
72 ?Genus Physmatomyces Rehm (1900)
73 Genus Pocillum De Not. (1863)
74 Genus Poculopsis Kirschst. (1935)
75 Genus Polydiscidium Wakef. (1934)
76 Genus Pragmopora A.Massal. (1855)
77 Genus Pseudohelotium Fuckel (1870)
78 Genus Pseudopezicula Korf (1986)
79 Genus Rhizocalyx Petr. (1928)
80 Genus Sageria A.Funk (1975)
81 Genus Sarcoleotia S.Ito & S.Imai (1934)
82 Genus Septopezizella Svrček (1987)
83 Genus Skyathea Spooner & Dennis (1986)
84 Genus Stamnaria Fuckel (1870)
85 Genus Strossmayeria Schulzer (1881)
86 Genus Symphyosirinia E.A. Ellis (1956)
87 Genus Tatraea Svrček (1993)
88 Genus Thindiomyces Arendh. & R. Sharma (1983)
89 Genus Tympanis Tode (1790), nom. sanct.
90 Genus Unguiculariopsis Rehm (1909)
91 Genus Velutarina Korf ex Korf (1971)
92 Genus Weinmannioscyphus Svrček (1977)
93 Genus Xeromedulla Korf & W.Y. Zhuang (1987)
94 Genus Xylogramma Wallr. (1833)