Kingdom Fungi R.T.Moore (1980) - fungi
   Subkingdom Dikarya Hibbett, T.Y. James & Vilgalys (2007)
     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)
             1 Genus Aliquandostipite Inderb. (2001)
             2 Genus Jahnula Kirschst. (1936)
             3 Genus Patescospora Abdel-Wahab & El-Shar. (2002)