Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Orbiliomycetes O.E. Erikss. & Baral (2003) [monotypic]
       Order Orbiliales Baral, O.E. Erikss., G. Marson & E. Weber (2003) [monotypic]
         1 Family Orbiliaceae Nannf. (1932)
         2 Genus Microdochiella Hern.-Restr. & Crous (2015), incertae sedis