Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Dothideomycetes O.E. Erikss. & Winka (1997)
       Order Natipusillales Raja, Shearer, A.N. Mill. & K.D.Hyde (2013), incertae sedis [monotypic]
         1 Family Natipusillaceae Raja, Shearer & A.N. Mill. (2012) [monotypic]