Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Eurotiomycetes O.E. Erikss. & Winka (1997)
       Subclass Eurotiomycetidae Doweld (2001)
         Order Onygenales Cif. ex Benny & Kimbr. (1980)
           Family Gymnoascaceae Baran. (1872)
             1 Genus Acitheca Currah (1985)
             2 Genus Arachniotus J.Schröt. (1893)
             3 Genus Gymnascella Peck (1884)
             4 Genus Gymnoascoideus G.F. Orr, K. Roy & G.R. Ghosh (1977)
             5 Genus Gymnoascus Baran. (1872)
             6 Genus Kraurogymnocarpa Udagawa & Uchiy. (1999)
             7 Genus Mallochia Arx & Samson (1986)
             8 Genus Narasimhella Thirum. & P.N. Mathur (1966)
             9 Genus Orromyces B. Sur & G.R. Ghosh (1987)