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 Laboulbeniomycetidae see Class Laboulbeniomycetes Engl. (1897)
             Order Laboulbeniales Lindau (1897)
               1 Family Ceratomycetaceae S. Colla (1934)
               2 Family Euceratomycetaceae I.I. Tav. (1980)
               3 Family Herpomycetaceae I.I. Tav. (1981)
               4 Family Laboulbeniaceae G.Winter (1886)