Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Sordariomycetes O.E. Erikss. & Winka (1997)
       Subclass Hypocreomycetidae O.E. Erikss. & Winka (1997)
         Order Hypocreales Lindau (1897)
           Family Bionectriaceae Samuels & Rossman (1999)
             01 Genus Battarrina (Sacc.) Clem. & Shear (1931)
             02 Genus Bionectria Speg. (1919)
             03 Genus Bryocentria Döbbeler (2004)
             04 Genus Bryonectria Döbbeler (1998)
             05 Genus Clibanites (P.Karst.) P.Karst. (1871)
             06 Genus Dimerosporiella Speg. (1908)
             07 Genus Globonectria Etayo (2002)
             08 Genus Halonectria E.B.G.Jones (1965)
             09 Genus Heleococcum C.A. Jørg. (1922)
             10 Genus Hydropisphaera Dumort. (1822)
             11 Genus Ijuhya Starbäck (1899)
             12 Genus Kallichroma Kohlm. & Volkm.-Kohlm. (1993)
             13 Genus Lasionectria (Sacc.) Cooke (1884)
             14 Genus Mycoarachis Malloch & Cain (1970)
             15 Genus Mycocitrus Möller (1901)
             16 Genus Nectriella Nitschke ex Fuckel (1870)
             17 Genus Nectriopsis Maire (1911), nom. cons.
             18 Genus Ochronectria Rossman & Samuels (1999)
             19 Genus Paranectria Sacc. (1878)
             20 Genus Pronectria Clem. (1931)
             21 Genus Protocreopsis Yoshim. Doi (1977)
             22 Genus Roumegueriella Speg. (1880)
             23 Genus Selinia P.Karst. (1876)
             24 Genus Stilbocrea Pat. (1900)
             25 Genus Trichonectria Kirschst. (1907)
             26 Genus Valsonectria Speg. (1881)