living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Thallobionta
         Division Eumycota see Kingdom Eumycota
           Subdivision Ascomycotina Ainsw. (1966) see Phylum Ascomycota Caval.-Sm. (1998)
             Class Hemiascomycetes Engl. (1903) see Class Saccharomycetes G.Winter (1880)
               ?Order Protomycetales Luttr. ex D.Hawksw. & O.E. Erikss. (1986) see Order Taphrinales Gäum. & C.W.Dodge (1928)
                 Family Protomycetaceae Gray (1821)
                   1 Genus Mixia C.L. Kramer (1959), nom. cons.
                   2 Genus Taphridium Lagerh. & Juel (1902)
                   3 Genus Protomycopsis Magnus (1905)
                   4 Genus Protomyces Unger (1832)