Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Dothideomycetes O.E. Erikss. & Winka (1997)
       Family Polystomellaceae Theiss. & H. Syd. (1915), incertae sedis
         1 Genus Dermatodothella Viégas (1944)
         2 Genus Dothidella Speg. (1880)
         3 Genus Munkiella Speg. (1885)
         4 Genus Parastigmatea Doidge (1921)