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 Peltigerales Walt. Watson (1929)
           Suborder Collematineae Miądl. & Lutzoni
             1 Family Coccocarpiaceae Henssen (1986)
             2 Family Collemataceae Zenker (1827)
             3 Family Pannariaceae Tuck. (1872)