Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Sordariomycetes O.E. Erikss. & Winka (1997)
       Subclass Lulworthiomycetidae Dayar., E.B.G.Jones & K.D.Hyde (2015)
         Order Pisorisporiales Réblová & J. Fourn. (2015) [monotypic]
           Family Pisorisporiaceae Réblová & J. Fourn. (2015)
             Genus Pisorisporium Réblová & J. Fourn. (2015)