Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
Class Sordariomycetes O.E. Erikss. & Winka (1997)
Subclass Diaporthomycetidae Senan., Maharachch. & K.D.Hyde (2015)
Order Diaporthales Nannf. (1932)
01 Family Apiosporopsidaceae Senan., Maharachch. & K.D.Hyde (2017) [monotypic]
02 Family Apoharknessiaceae Senan., Maharachch. & K.D.Hyde (2017)
03 Family Asterosporiaceae Senan., Maharachch. & K.D.Hyde (2017) [monotypic]
04 Family Auratiopycnidiellaceae Senan., Maharachch. & K.D.Hyde (2017) [monotypic]
05 Family Coryneaceae Corda (1839) [monotypic]
06 Family Cryphonectriaceae Gryzenh. & M.J. Wingf. (2006)
07 Family Cytosporaceae Fr. (1825)
08 Family Diaporthaceae Höhn. ex Wehm. (1926)
09 Family Erythrogloeaceae Senan., Maharachch. & K.D.Hyde (2017)
10 Family Gnomoniaceae G.Winter (1885), nom. cons.
11 Family Harknessiaceae Crous (2012)
12 Family Juglanconidaceae Voglmayr & Jaklitsch (2017) [monotypic]
13 Family Lamproconiaceae Norph., T.C. Wen & K.D.Hyde (2016)
14 Family Macrohilaceae Crous (2015) [monotypic]
15 Family Melanconidaceae G.Winter (1886) [monotypic]
16 Family Melanconiellaceae Senan., Maharachch. & K.D.Hyde (2017)
17 Family Prosopidicolaceae Senan. & K.D.Hyde (2017) [monotypic]
18 Family Pseudoplagiostomataceae Cheew., M.J. Wingf. & Crous (2010) [monotypic]
19 Family Schizoparmaceae Rossman, D.F. Farr & Castl. (2007) [monotypic]
20 Family Stilbosporaceae Link (1826)
21 Family Sydowiellaceae Lar.N. Vassiljeva (1987)
22 Genus Ceratoporthe Petr. (1925), incertae sedis
23 Genus Cryptascoma Ananthap. (1988), incertae sedis
24 Genus Cryptoleptosphaeria Petr. (1923), incertae sedis
25 Genus Cryptonectriella (Höhn.) Weese (1919), incertae sedis
26 Genus Cryptonectriopsis (Höhn.) Weese (1919), incertae sedis
27 Genus Cytomelanconis Naumov (1951), incertae sedis
28 Genus Diaporthella Petr. (1924), incertae sedis
29 Genus Diatrypoidiella Manohar., Kunwar & D.K. Agarwal (2005), incertae sedis
30 Genus Dictyoporthe Petr. (1955), incertae sedis
31 Genus Ditopellina J. Reid & C. Booth (1967), incertae sedis
32 Genus Durispora K.D.Hyde (1994), incertae sedis
33 Genus Exormatostoma Gray (1821), nom. dub., incertae sedis
34 Genus Fremineavia Nieuwl. (1916), incertae sedis
35 Genus Gibellia Sacc. (1885), incertae sedis
36 Genus Gyrostroma Naumov (1914), incertae sedis
37 Genus Hyalorostratum Raja & Shearer (2010), incertae sedis
38 Genus Hypospilina (Sacc.) Traverso (1913), incertae sedis
39 Genus Kapooria J. Reid & C. Booth (1989), incertae sedis
40 Genus Keinstirschia J. Reid & C. Booth (1989), incertae sedis
41 Genus Kensinjia J. Reid & C. Booth (1989), incertae sedis
42 Genus Leptosillia Höhn. (1928), incertae sedis
43 Genus Macrodiaporthe Petr. (1920), incertae sedis
44 Genus Melanamphora Lafl. (1976), incertae sedis
45 Genus Pedumispora K.D.Hyde & E.B.G.Jones (1992), incertae sedis
46 Genus Phaeoappendicospora Senan., Q.R. Li & K.D.Hyde (2017), incertae sedis
47 Genus Phragmodiaporthe Wehm. (1941), incertae sedis
48 Genus Plagiophiale Petr. (1955), incertae sedis
49 Genus Prostratus Sivan., W.H. Hsieh & Chi Y. Chen (1993), incertae sedis
50 Genus Pseudocryptosporella J. Reid & C. Booth (1969), incertae sedis
51 Genus Pseudothis Theiss. & Syd. (1914), incertae sedis
52 Genus Pseudovalsella Höhn. (1918)
53 Genus Savulescua Petr. (1959), incertae sedis
54 Genus Skottsbergiella Petr. (1927), incertae sedis
55 Genus Sphaerognomoniella Naumov & Kusnezowa (1952), incertae sedis
56 Genus Stioclettia Dennis (1975), incertae sedis
57 Genus Trematovalsa Jacobesco (1906), incertae sedis
58 Genus Wehmeyera J. Reid & C. Booth (1989), incertae sedis
59 Genus Wuestneia Auersw. ex Fuckel (1863), incertae sedis
60 Genus Wuestneiopsis J. Reid & Dowsett (1990), incertae sedis