Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     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) [monotypic]
         4 Family Laboulbeniaceae G.Winter (1886)
         5 Family Teratomyceteae Thaxt. (1908) [monotypic]
         6 Genus Cainomyces Thaxt. (1901), incertae sedis