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 Onygenaceae Berk. (1857) Genus Spiromastix Kuehn & G.F. Orr (1962), nom. illeg. see Genus Spiromastigoides Doweld (2013)