Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Dothideomycetes O.E. Erikss. & Winka (1997)
       Order Acrospermales Minter, Peredo & A.T. Watson (2007), incertae sedis [monotypic]
         1 Family Acrospermaceae Fuckel (1870)