Kingdom Fungi R.T.Moore (1980) - fungi Subkingdom Dikarya Hibbett, T.Y. James & Vilgalys (2007) Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Taphrinomycotina O.E. Erikss. & Winka (1997) - basal ascomycetes 1 Class Taphrinomycetes O.E. Erikss. & Winka (1997) 2 Class Neolectomycetes O.E. Erikss. & Winka (1997) 3 Class Pneumocystidomycetes O.E. Erikss. & Winka (1997) 4 Class Schizosaccharomycetes O.E. Erikss. & Winka (1997) - fission yeasts