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)
         1 Family Erythrobasidiaceae Denchev (2009)
         2 Genus Cyphobasidium Millanes, Diederich & Wedin (2016), incertae sedis
         3 Genus Cyrenella Goch. (1981), incertae sedis
         4 Genus Hasegawazyma Q.M. Wang, F.Y. Bai, M. Groenew. & Boekhout (2015), incertae sedis