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 Basidiomycota R.T.Moore (1980) - basidiomycetes
         Class Ustilaginomycetes Warm. (1884) - smut fungi
           Subclass Exobasidiomycetidae Jülich (1981) see Class Exobasidiomycetes Begerow, M. Stoll & R. Bauer (2007)
             Order Exobasidiales Henn. (1898)
               Family Brachybasidiaceae Gäum. (1926)
                 1 Genus Brachybasidium Gäum. (1922)
                 2 Genus Ceraceosorus B.K. Bakshi (1976)
                 3 Genus Dicellomyces L.S. Olive (1945)
                 4 Genus Exobasidiellum Donk (1931) see Genus Helicogloea Pat. (1892)
                 5 Genus Kordyana Racib. (1900)
                 6 Genus Proliferobasidium J.L. Cunn. (1976)