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 Koralionastetales Kohlm., Volkm.-Kohlm., J. Campb. & Inderb. (2009) [monotypic]
           Family Koralionastetaceae Kohlm. & Volkm.-Kohlm. (1987)
             1 Genus Koralionastes Kohlm. & Volkm.-Kohlm. (1987)
             2 Genus Pontogeneia Kohlm. (1975)