Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
Class Leotiomycetes O.E. Erikss. & Winka (1997)
Order Rhytismatales M.E.Barr ex Minter (1986)
01 Family Cudoniaceae P.F. Cannon (2001)
02 Family Marthamycetaceae Baral, Lantz, Hustad & Minter (2015)
03 Family Rhytismataceae Chevall. (1826), nom. cons.
04 Genus Apiodiscus Petr. (1940), incertae sedis
05 Genus Bonanseja Sacc. (1906), incertae sedis
06 Genus Didymascus Sacc. (1896), incertae sedis
07 Genus Haplophyse Theiss. (1916), incertae sedis
08 Genus Irydyonia Racib. (1900), incertae sedis
09 Genus Laquearia Fr. (1849), incertae sedis
10 Genus Mycosymbioces J.L. Frank (2014), incertae sedis
11 Genus Nymanomyces Henn. (1899), incertae sedis
12 Genus Pseudotrochila Höhn. (1917), incertae sedis