Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Dothideomycetes O.E. Erikss. & Winka (1997)
       Order Monoblastiales Lücking, M.P. Nelsen & K.D.Hyde (2013), incertae sedis [monotypic]
         1 Family Monoblastiaceae W. Watson (1929)