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 Class Schizosaccharomycetes O.E. Erikss. & Winka (1997) - fission yeasts 1 Order Schizosaccharomycetales O.E. Erikss. et al. (1993)