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)
           Family Cytosporaceae Fr. (1825)
             1 Genus Cytospora Ehrenb. (1818)
             2 Genus Hypophloeda K.D.Hyde & E.B.G.Jones (1989)
             3 Genus Pachytrype Berl. ex M.E.Barr, J.D. Rogers & Y.M. Ju (1993)
             4 Genus Paravalsa Ananthap. (1990)
             5 Genus Waydora B.Sutton (1976)
             6 Genus Xenotypa Petr. (1955)