organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Eukaryota Chatton, 1925 - eukaryotes Opisthokonta Cavalier-Smith 1987, nom. cl. inval. see Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] Kingdom Fungi R.T.Moore (1980) - fungi Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Taphrinomycotina O.E. Erikss. & Winka (1997) - basal ascomycetes Class Neolectomycetes O.E. Erikss. & Winka (1997) Class Pneumocystidomycetes O.E. Erikss. & Winka (1997) Class Schizosaccharomycetes O.E. Erikss. & Winka (1997) - fission yeasts Class Taphrinomycetes O.E. Erikss. & Winka (1997)