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 Pleomassariaceae M.E.Barr (1979)
             Genus Beverwykella Tubaki (1975)
             Genus Lichenopyrenis Calat., M.J. Sanz & Aptroot (2001)
             Genus Myxocyclus Riess (1852)
             Genus Peridiothelia D.Hawksw. (1985)
             Genus Prosthemium Kunze (1817), nom. sanct.
             Genus Splanchnonema Corda (1829)
             Genus Pseudotrichia Kirschst. (1939)