Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Dothideomycetes O.E. Erikss. & Winka (1997)
       Order Jahnulales K.L. Pang, Abdel-Wahab, El-Shar., E.B.G.Jones & Sivichai (2002), incertae sedis
         Family Aliquandostipitaceae Inderb. (2001)
           1 Genus Aliquandostipite Inderb. (2001)
           2 Genus Brachiosphaera Nawawi (1976)
           3 Genus Jahnula Kirschst. (1936)
           4 Genus Megalohypha A. Ferrer & Shearer (2007)
           5 Genus Patescospora Abdel-Wahab & El-Shar. (2002)
           6 Genus Xylomyces Goos, R.D. Brooks & Lamore (1977)