Kingdom Fungi R.T.Moore (1980) - fungi
   Subkingdom Dikarya Hibbett, T.Y. James & Vilgalys (2007)
     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)
               1 Genus Onygena Pers. (1800), nom. sanct.
               2 Genus Gymnoascus Baran. (1872)
               3 Genus Arthroderma Curr. (1860)