organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Eukaryota Chatton, 1925 - eukaryotes
     Kingdom Fungi R.T.Moore (1980) - fungi
       Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
         Class Ascomycetes G.Winter (1880) see Phylum Ascomycota Caval.-Sm. (1998)
           Subclass Chaetothyriomycetidae Doweld (2001)
             Order Chaetothyriales M.E.Barr (1987)
               Family Chaetothyriaceae Hansf. ex M.E.Barr (1979)
                 Genus Actinocymbe Höhn. (1911)
                 Genus Biciliopsis Diederich (1997)
                 Genus Ceramothyrium Bat. & H. Maia (1956)
                 Genus Chaetothyrium Speg. (1888)
                 Genus Euceramia Bat. & Cif. (1962)
                 Genus Microcallis Syd. (1926)
                 Genus Phaeosaccardinula Henn. (1905)
                 Genus Treubiomyces Höhn. (1909)
                 Genus Yatesula Syd. & P.Syd. (1917)