Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Dothideomycetes O.E. Erikss. & Winka (1997)
       Subclass Pleosporomycetidae C.L. Schoch, Spatafora, Crous & Shoemaker (2007)
         Order Pleosporales Luttr. ex M.E.Barr (1987)
           Family Dothidotthiaceae Crous & A.J.L. Phillips (2008)
             1 Genus Dothidotthia Höhn. (1918)
             2 Genus Muellerites L. Holm (1968)
             3 Genus Thyrostroma Höhn. (1911)