Kingdom Fungi R.T.Moore (1980) - fungi
   Subkingdom Dikarya Hibbett, T.Y. James & Vilgalys (2007)
     Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
       Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
         Class Laboulbeniomycetes Engl. (1897)
           Order Laboulbeniales Lindau (1897)
             1 Genus Laboulbenia Mont. & C.P. Robin (1853)
             2 Genus Rickia Cavara (1899)
             3 Genus Ceratomyces Thaxt. (1892)