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 Abieticola Hyang B. Lee (2017)
             02 Genus Amphirosellinia Y.M. Ju, J.D. Rogers, H.M. Hsieh & Lar.N. Vassiljeva (2004)
             03 Genus Anthostomella Sacc. (1875)
             04 Genus Anthostomelloides Tibpromma & K.D.Hyde (2017)
             05 Genus Apioclypea K.D.Hyde (1994)
             06 Genus Ascotricha Berk. (1838)
             07 Genus Astrocystis Berk. & Broome (1873)
             08 Genus Beltraniopsis Bat. & J.L. Bezerra (1960)
             09 Genus Brunneiapiospora K.D.Hyde, J. Fröhl. & Joanne E. Taylor (1998)
             10 Genus Brunneiperidium Daranag., Camporesi & K.D.Hyde (2015)
             11 Genus Clypeosphaeria Fuckel (1870)
             12 Genus Collodiscula I.Hino & Katum. (1955)
             13 Genus Coniolariella Dania García, Stchigel & Guarro (2006)
             14 Genus Crassoascus Checa, Barrasa & A.T. Martínez (1993)
             15 Genus Emarcea Duong, Jeewon & K.D.Hyde (2004)
             16 Genus Engleromyces Henn. (1900)
             17 Genus Entalbostroma J.D. Rogers & P.R. Johnst. (2017)
             18 Genus Entoleuca Syd. (1922)
             19 Genus Euepixylon Füisting (1867)
             20 Genus Gigantospora B.S. Lu & K.D.Hyde (2003)
             21 Genus Halorosellinia Whalley, E.B.G.Jones, K.D.Hyde & Læssøe (2000)
             22 Genus Helicogermslita Lodha & D.Hawksw. (1983)
             23 Genus Hypocopra (Fr.) J. Kickx f. (1867)
             24 Genus Hypocreodendron Henn. (1897)
             25 Genus Kretzschmaria Fr. (1849)
             26 Genus Kretzschmariella Viégas (1944)
             27 Genus Leprieuria Læssøe, J.D. Rogers & Whalley (1989)
             28 Genus Lunatiannulus Daranag., Camporesi & K.D.Hyde (2015)
             29 Genus Nemania Gray (1821)
             30 Genus Nipicola K.D.Hyde (1992)
             31 Genus Palmaria K.D.Hyde, J. Fröhl. & Joanne E. Taylor (2017), nom. illeg.
             32 Genus Podosordaria Ellis & Holw. (1897)
             33 Genus Poronia Willd. (1787)
             34 Genus Rosellinia De Not. (1844)
             35 Genus Sabalicola K.D.Hyde (1995)
             36 Genus Sarcoxylon Cooke (1883)
             37 Genus Spirodecospora B.S. Lu, K.D.Hyde & W.H. Ho (1998)
             38 Genus Squamotubera Henn. (1903)
             39 Genus Stilbohypoxylon Henn. (1902)
             40 Genus Vamsapriya Gawas & Bhat (2006)
             41 Genus Virgaria Nees (1816)
             42 Genus Wawelia Namysl. (1908)
             43 Genus Xylaria Hill ex Schrank (1789), nom. cons.
             44 Genus Xylotumulus J.D. Rogers, Y.M. Ju & Hemmes (2006)