Domain Eucaryota Subdomain Amoebota Doweld (2001) Kingdom Mucorobiota Doweld (2001) Subkingdom Tuberobiotina Doweld (2001) Phylum Tuberomycota Doweld (2001) Subphylum Saccharomycotina O.E. Erikss. & Winka (1997) [monotypic] - budding yeasts Class Saccharomycetes G.Winter (1880)