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 ex Miądl., Lutzoni & Lumbsch (2007)
         Order Peltigerales Walt. Watson (1929)
           01 Family Coccocarpiaceae Henssen (1986)
           02 Family Collemataceae Zenker (1827)
           03 Family Koerberiaceae T. Sprib. & Muggia (2013)
           04 Family Lobariaceae Chevall. (1826)
           05 Family Massalongiaceae Wedin, P.M. Jørg. & E. Wiklund (2007)
           06 Family Nephromataceae Wetm. ex J.C. David & D.Hawksw. (1991) [monotypic]
           07 Family Pannariaceae Tuck. (1872)
           08 Family Peltigeraceae Dumort. (1822)
           09 Family Placynthiaceae E. Dahl (1950), nom. cons.
           10 Family Vahliellaceae Wedin, P.M. Jørg. & S. Ekman (2010) [monotypic]
           11 Suborder Peltigerineae