Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Eurotiomycetes O.E. Erikss. & Winka (1997) Subclass Eurotiomycetidae Tehler ex Geiser & Lutzoni (2007), nom. inval. Order Onygenales Cif. ex Benny & Kimbr. (1980) Family Gymnoascaceae Baran. (1872) Genus Orromyces B. Sur & G.R. Ghosh (1987)