Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Eurotiomycetes O.E. Erikss. & Winka (1997)
       Subclass Chaetothyriomycetidae Doweld (2001)
         Order Chaetothyriales M.E.Barr (1987)
           Family Chaetothyriaceae Hansf. ex M.E.Barr (1979)
             1 Genus Actinocymbe Höhn. (1911)
             2 Genus Ceramothyrium Bat. & H. Maia (1956)
             3 Genus Chaetothyrium Speg. (1888)
             4 Genus Euceramia Bat. & Cif. (1962)
             5 Genus Microcallis Syd. (1926)
             6 Genus Phaeosaccardinula Henn. (1905)
             7 Genus Treubiomyces Höhn. (1909)
             8 Genus Yatesula Syd. & P.Syd. (1917)