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 Porpidiaceae Hertel & Hafellner (1984) see Family Lecideaceae Chevall. (1826)
             01 Genus Amygdalaria Norman (1852)
             02 Genus Bellemerea Hafellner & Cl.Roux (1984)
             03 Genus Catarrhospora Brusse (1994)
             04 Genus Clauzadea Hafellner & Bellem. (1984)
             05 Genus Farnoldia Hertel (1983)
             06 Genus Immersaria Rambold & Pietschm. (1989)
             07 Genus Koerberiella Stein (1879)
             08 Genus Labyrintha Malcolm, Elix & Owe-Larss. (1995)
             09 Genus Mycobilimbia Rehm (1890)
             10 Genus Paraporpidia Rambold & Pietschm. (1989)
             11 Genus Poeltiaria Hertel (1984)
             12 Genus Poeltidea Hertel & Hafellner (1984)
             13 Genus Porpidia Körb. (1855)
             14 Genus Schizodiscus Brusse (1988)
             15 Genus Stephanocyclos Hertel (1983)
             16 Genus Xenolecia Hertel (1984)