Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Pucciniomycotina R. Bauer, Begerow, J.P. Samp., M. Weiss & Oberw. (2006)
     Class Cystobasidiomycetes R. Bauer, Begerow, J.P. Samp., M. Weiss & Oberw. (2006)
       Order Erythrobasidiales R. Bauer, Begerow, J.P. Samp., M. Weiss & Oberw. (2006)
         Genus Cyphobasidium Millanes, Diederich & Wedin (2016), incertae sedis