Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Saccharomycotina O.E. Erikss. & Winka (1997) - budding yeasts
     Class Saccharomycetes G.Winter (1880)
       Order Saccharomycetales Luerss. (1877)
         Family Saccharomycetaceae G.Winter (1881)
           01 Genus Arxiozyma Van der Walt & Yarrow (1984)
           02 ?Genus Citeromyces Santa María (1957)
           03 ?Genus Cyniclomyces Van der Walt & D.B. Scott (1971)
           04 ?Genus Debaryomyces Lodder & Kreger-van Rij (1984), nom. cons.
           05 ?Genus Dekkera Van der Walt (1964)
           06 ?Genus Issatchenkia Kudryavtsev (1960)
           07 Genus Kluyveromyces Van der Walt (1956), nom. cons.
           08 ?Genus Lodderomyces Van der Walt (1966) see Genus Candida Berkhout (1923), nom. cons.
           09 ?Genus Pachysolen Boidin & Adzet (1958)
           10 ?Genus Pichia E.C. Hansen (1904)
           11 Genus Saccharomyces Meyen (1838)
           12 ?Genus Saturnispora Z.W. Liu & Kurtzman (1991)
           13 Genus Tetrapisispora Ueda-Nishim. & Mikata (1999)
           14 Genus Torulaspora Lindner (1904)
           15 ?Genus Williopsis Zender (1925)
           16 Genus Zygosaccharomyces B.T.P. Barker (1901)