Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Sordariomycetes O.E. Erikss. & Winka (1997)
       Subclass Hypocreomycetidae O.E. Erikss. & Winka (1997)
         Order Glomerellales Chadef. ex Réblová, W. Gams & Seifert (2011)
           Family Australiascaceae Réblová & W. Gams (2011) [monotypic]
             1 Genus Monilochaetes Halst. ex Harter (1916)