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 Coronophorales Nannf. (1932)
           Family Chaetosphaerellaceae Huhndorf, A.N. Mill. & F.A. Fernández (2004)
             1 Genus Chaetosphaerella E. Müll. & C. Booth (1972)
             2 Genus Crassochaeta Réblová (1999)