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 Lecanorales Nannf. (1932)
           Family Cladoniaceae Zenker (1827)
             01 Genus Calathaspis I.M. Lamb & W.A. Weber (1972)
             02 Genus Carassea S. Stenroos (2002)
             03 Genus Cetradonia J.C. Wei & Ahti (2002)
             04 Genus Cladia Nyl. (1870), nom. cons.
             05 Genus Cladonia P.Browne (1756), nom. cons.
             06 Genus Gymnoderma Nyl. (1860), nom. cons.
             07 Genus Heteromyces Müll.Arg. (1889)
             08 Genus Metus D.J. Galloway & P. James (1987)
             09 Genus Myelorrhiza Verdon & Elix (1986)
             10 Genus Notocladonia S. Hammer (2003)
             11 Genus Pilophorus Th.Fr. (1857)
             12 Genus Pycnothelia (Ach.) Dufour (1821)
             13 Genus Sphaerophoropsis Vain. (1890)
             14 Genus Squamella S. Hammer (2001)
             15 Genus Thysanothecium Mont. & Berk. (1846)