Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
Class Sordariomycetes O.E. Erikss. & Winka (1997)
Subclass Xylariomycetidae O.E. Erikss. & Winka (1997)
Order Xylariales Nannf. (1932)
Family Xylariaceae Tul. & C.Tul. (1861)
01 Genus Amphirosellinia Y.M. Ju, J.D. Rogers, H.M. Hsieh & Lar.N. Vassiljeva (2004)
02 Genus Anthostomella Sacc. (1875)
03 Genus Appendixia B.S. Lu & K.D.Hyde (2000)
04 Genus Areolospora S.C. Jong & E.E. Davis (1974)
05 ?Genus Ascotricha Berk. (1838)
06 Genus Ascovirgaria J.D. Rogers & Y.M. Ju (2002)
07 Genus Astrocystis Berk. & Broome (1873)
08 Genus Barrmaelia Rappaz (1995)
09 Genus Biscogniauxia Kuntze (1891)
10 Genus Calceomyces Udagawa & S. Ueda (1988)
11 Genus Camillea Fr. (1849)
12 Genus Chaenocarpus Rebent. (1804), nom. dub.
13 Genus Collodiscula I.Hino & Katum. (1955)
14 Genus Creosphaeria Theiss. (1910)
15 Genus Cyanopulvis J. Fröhl. & K.D.Hyde (2000)
16 Genus Daldinia Ces. & De Not. (1863), nom. cons.
17 Genus Discoxylaria J.C. Lindq. & J.E. Wright (1964)
18 ?Genus Emarcea Duong, Jeewon & K.D.Hyde (2004)
19 Genus Engleromyces Henn. (1900)
20 Genus Entoleuca Syd. (1922)
21 Genus Entonaema Möller (1901)
22 Genus Euepixylon Füisting (1867)
23 Genus Fasciatispora K.D.Hyde (1991)
24 Genus Fassia Dennis (1964)
25 Genus Gigantospora B.S. Lu & K.D.Hyde (2003)
26 Genus Guestia G.J.D.Sm. & K.D.Hyde (2001)
27 Genus Halorosellinia Whalley, E.B.G.Jones, K.D.Hyde & Læssøe (2000)
28 Genus Helicogermslita Lodha & D.Hawksw. (1983)
29 Genus Holttumia Lloyd (1924)
30 Genus Hypocopra (Fr.) J. Kickx f. (1867)
31 Genus Hypoxylon Bull. (1791), nom. cons.
32 Genus Induratia Samuels, E. Müll. & Petrini (1987)
33 Genus Jumillera J.D. Rogers, Y.M. Ju & F. San Martín (1997)
34 Genus Kretzschmaria Fr. (1849)
35 Genus Kretzschmariella Viégas (1944)
36 Genus Leprieuria Læssøe, J.D. Rogers & Whalley (1989)
37 ?Genus Leptomassaria Petr. (1914)
38 Genus Lopadostoma (Nitschke) Traverso (1906)
39 Genus Myconeesia Kirschst. (1936)
see Genus Anthostomella Sacc. (1875)
40 Genus Nemania Gray (1821)
41 Genus Nipicola K.D.Hyde (1992)
42 Genus Obolarina Pouzar (1986)
43 Genus Occultitheca J.D. Rogers & Y.M. Ju (2003)
44 Genus Ophiorosellinia J.D. Rogers, A. Hidalgo, F.A. Fernández & Huhndorf (2004)
45 Genus Pandanicola K.D.Hyde (1994)
46 Genus Paramphisphaeria F.A. Fernández, J.D. Rogers, Y.M. Ju, Huhndorf & Umaña (2004)
47 ?Genus Paucithecium Lloyd (1923)
48 Genus Phylacia Lév. (1845)
49 Genus Pidoplitchkoviella Kiril. (1975)
50 Genus Podosordaria Ellis & Holw. (1897)
51 Genus Poroleprieuria M.C. González, Hanlin, Ulloa & Elv. Aguirre (2004)
52 Genus Poronia Willd. (1787)
53 Genus Pulveria Malloch & Rogerson (1977)
54 Genus Rhopalostroma D.Hawksw. (1977)
55 Genus Rosellinia De Not. (1844)
56 Genus Sabalicola K.D.Hyde (1995)
57 Genus Sarcoxylon Cooke (1883)
58 ?Genus Sclerodermatopsis Torrend (1923)
59 ?Genus Seynesia Sacc. (1883)
60 Genus Spirodecospora B.S. Lu, K.D.Hyde & W.H. Ho (1998)
61 ?Genus Steganopycnis Syd. & P.Syd. (1916)
62 Genus Stereosphaeria Kirschst. (1939)
63 Genus Stilbohypoxylon Henn. (1902)
64 Genus Striatodecospora D.Q. Zhou, K.D.Hyde & B.S. Lu (2000)
65 Genus Stromatoneurospora S.C. Jong & E.E. Davis (1973)
66 Genus Thamnomyces Ehrenb. (1820), nom. sanct.
67 Genus Theissenia Maubl. (1914)
68 Genus Thuemenella Penz. & Sacc. (1898)
69 Genus Versiomyces Whalley & Watling (1989)
70 Genus Vivantia J.D. Rogers, Y.M. Ju & Cand. (1996)
71 Genus Wawelia Namysl. (1908)
72 Genus Whalleya J.D. Rogers, Y.M. Ju & F. San Martín (1997)
73 Genus Xylaria Hill ex Schrank (1789), nom. cons.