Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Sordariomycetes O.E. Erikss. & Winka (1997)
       Subclass Sordariomycetidae O.E. Erikss. & Winka (1997)
         Order Diaporthales Nannf. (1932)
           Family Gnomoniaceae G.Winter (1885), nom. cons.
             01 Genus Anisogramma Theiss. & Syd. (1917) see Genus Mamianiella Höhn. (1917)
             02 Genus Anisomyces Theiss. & Syd. (1914) see Genus Gloeophyllum P.Karst. (1882), nom. cons., orth. cons.
             03 Genus Apiognomonia Höhn. (1917), nom. protect.
             04 Genus Bagcheea E. Müll. & R. Menon (1954)
             05 Genus Clypeoporthe Höhn. (1919)
             06 Genus Cryptodiaporthe Petr. (1921)
             07 Genus Cryptosporella Sacc. (1877)
             08 Genus Diaporthella Petr. (1924)
             09 Genus Diplacella Syd. (1930)
             10 Genus Ditopella De Not. (1863)
             11 Genus Ditopellopsis J. Reid & C. Booth (1967)
             12 Genus Gnomonia Ces. & De Not. (1863)
             13 Genus Gnomoniella Sacc. (1881)
             14 Genus Lambro Racib. (1900)
             15 Genus Linospora Fuckel (1870)
             16 Genus Mamiania Ces. & De Not. (1863) see Genus Mamianiella Höhn. (1917)
             17 Genus Mamianiella Höhn. (1917)
             18 Genus Ophiognomonia (Sacc.) Sacc. (1899)
             19 Genus Ophiovalsa Petr. (1966)
             20 Genus Phragmoporthe Petr. (1934)
             21 Genus Phylloporthe Syd. (1925)
             22 Genus Plagiostoma Fuckel (1870), nom. protect.
             23 Genus Pleuroceras Riess (1854)
             24 Genus Skottsbergiella Petr. (1927)
             25 Genus Stegophora Syd. & P.Syd. (1916)
             26 Genus Uleoporthe Petr. (1941)
             27 Genus Valseutypella Höhn. (1919)
             28 Genus Xenotypa Petr. (1955)