Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Dothideomycetes O.E. Erikss. & Winka (1997)
       Family Dacampiaceae Körb. (1855)
         Genus Kalaallia Alstrup & D.Hawksw. (1990) see Genus Opegrapha Ach. (1809), nom. cons.