organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Eukaryota Chatton, 1925 - eukaryotes
     Kingdom Fungi R.T.Moore (1980) - fungi
       Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
         Class Saccharomycetes G.Winter (1880)
           Subclass Saccharomycetidae (de Bary) Cavalier-Sm. (1998) see Class Saccharomycetes G.Winter (1880)
             Order Saccharomycetales Luerss. (1877)
               01 Family Ascoideaceae J.Schröt. (1894)
               02 Family Cephaloascaceae L.R. Batra (1973)
               03 Family Dipodascaceae Engl. & E. Gilg (1924)
               04 Family Endomycetaceae J.Schröt. (1893)
               05 Family Eremotheciaceae Kurtzman (1995) see Family Saccharomycetaceae G.Winter (1881)
               06 Family Lipomycetaceae E.K. Novák & Zsolt (1961)
               07 Family Metschnikowiaceae T. Kamienski (1899)
               08 Family Phaffomycetaceae Y. Yamada, H. Kawas., Nagats., Mikata & T. Seki (1999)
               09 Family Saccharomycetaceae G.Winter (1881)
               10 Family Saccharomycodaceae Kudrjanzev (1960)
               11 Family Saccharomycopsidaceae Arx & van der Walt (1987)