Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Superclass Leotiomyceta O.E. Erikss. & Winka (1997) 1 Class Arthoniomycetes O.E. Erikss. & Winka (1997) 2 Class Chaetothyriomycetes O.E. Erikss. & Winka (1997) see Subclass Chaetothyriomycetidae Doweld (2001) 3 Class Dothideomycetes O.E. Erikss. & Winka (1997) 4 Class Eurotiomycetes O.E. Erikss. & Winka (1997) 5 Class Lecanoromycetes O.E. Erikss. & Winka (1997) 6 Class Leotiomycetes O.E. Erikss. & Winka (1997) 7 Class Sordariomycetes O.E. Erikss. & Winka (1997)