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 Mytilinidiales E.W.A. Boehm, C.L. Schoch & Spatafora (2009)
           1 Family Gloniaceae E.W.A. Boehm, C.L. Schoch & Spatafora (2009)
           2 Family Mytilinidiaceae Kirschst. (1924)