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 Eurotiomycetidae Doweld (2001)
             1 Order Elaphomycetales Trappe (1979) see Order Eurotiales G.W. Martin ex Benny & Kimbr. (1980)
             2 Order Eurotiales G.W. Martin ex Benny & Kimbr. (1980)
             3 Family Amorphothecaceae Parbery (1969), incertae sedis
             4 Family Ascosphaeraceae L.S. Olive & Spiltoir (1955), incertae sedis
             5 Family Eremascaceae Engl. & E. Gilg (1924), incertae sedis
             6 Family Monascaceae J.Schröt. (1894), incertae sedis
             7 Order Onygenales Cif. ex Benny & Kimbr. (1980)