Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Lecanoromycetes O.E. Erikss. & Winka (1997)
       Subclass Lecanoromycetidae P.M.Kirk, P.F. Cannon, J.C. David & Stalpers (2001), nom. inval. see Subclass Lecanoromycetidae P.M.Kirk, P.F. Cannon, J.C. David & Stalpers ex Miądl., Lutzoni & Lumbsch (2007)
         Order Lecanorales Nannf. (1932)
           Family Rhizocarpaceae M. Choisy ex Hafellner (1984)
             1 ?Genus Catolechia Flot. (1850)
             2 ?Genus Epilichen Clem. (1909)
             3 Genus Poeltinula Hafellner (1984)
             4 Genus Rhizocarpon Ramond ex DC. (1805)