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) Genus Chaetosphaerella E. Müll. & C. Booth (1972)