Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Lecanoromycetes O.E. Erikss. & Winka (1997)
       Subclass Ostropomycetidae V. Reeb, Lutzoni & Cl.Roux (2004)
         Order Pertusariales M. Choisy ex D.Hawksw. & O.E. Erikss. (1986)
           Family Icmadophilaceae Triebel (1993)
             1 Genus Dibaeis Clem. (1909)
             2 Genus Icmadophila Ehrh. ex A.Massal. (1852), nom. cons.
             3 Genus Pseudobaeomyces M. Satô (1940)
             4 Genus Siphula Fr. (1831), nom. cons.
             5 Genus Siphulella Kantvilas, Elix & P. James (1992)
             6 Genus Thamnolia Ach. ex Schaer. (1850), nom. cons.