Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Eurotiomycetes O.E. Erikss. & Winka (1997)
       Subclass Eurotiomycetidae Tehler ex Geiser & Lutzoni (2007), nom. inval.
         Order Onygenales Cif. ex Benny & Kimbr. (1980)
           Family Onygenaceae Berk. (1857)
             Genus Onygena Pers. (1800), nom. sanct.