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 Arthrodermataceae Locq. ex Currah (1985) 1 Genus Arthroderma Curr. (1860) 2 Genus Ctenomyces Eidam (1880) 3 Genus Shanorella R.K. Benj. (1956)