Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Dothideomycetes O.E. Erikss. & Winka (1997)
       Order Dyfrolomycetales K.L. Pang, K.D.Hyde & E.B.G.Jones (2013), incertae sedis [monotypic]
         1 Family Pleurotremataceae W. Watson (1929)