Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Dothideomycetes O.E. Erikss. & Winka (1997)
       Order Kirschsteiniotheliales Hern.-Restr., R.F.Castañeda, Gené & Crous (2017), incertae sedis
         Family Kirschsteiniotheliaceae Boonmee & K.D.Hyde (2012) [monotypic]
           1 Genus Kirschsteiniothelia D.Hawksw. (1985), nom. protect.