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 Plectosphaerellaceae W. Gams, Summerb. & Zare (2007) Genus Musicillium Zare & W. Gams (2007)