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 Hypocreales Lindau (1897) Family Clavicipitaceae Earle ex Rogerson (1970) Genus Metacordyceps G.H. Sung, J.M. Sung, Hywel-Jones & Spatafora (2007)