Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Sordariomycetes O.E. Erikss. & Winka (1997)
       Subclass Diaporthomycetidae Senan., Maharachch. & K.D.Hyde (2015)
         Order Togniniales Senan., Maharachch. & K.D.Hyde (2015) [monotypic]
           Family Togniniaceae Réblová, L. Mostert, W. Gams & Crous (2004) [monotypic]
             1 Genus Phaeoacremonium W. Gams, Crous & M.J. Wingf. (1996)