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 Sordariomycetidae O.E. Erikss. & Winka (1997)
             Order Sordariales Chadef. ex D.Hawksw. & O.E. Erikss. (1986)
               1 Family Cephalothecaceae Höhn. (1917)
               2 Family Chaetomiaceae G.Winter (1885)
               3 Family Chaetosphaeriaceae Réblová, M.E.Barr & Samuels (1999)
               4 Family Coniochaetaceae Malloch & Cain (1971)
               5 Family Lasiosphaeriaceae Nannf. (1932)
               6 Family Nitschkiaceae Nannf. (1932)
               7 Family Sordariaceae G.Winter (1885)