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)
1 Order Buckleyzymales R.L. Zhao & K.D.Hyde (2017)
2 Order Cystobasidiales R. Bauer, Begerow, J.P. Samp., M. Weiss & Oberw. (2006)
3 Order Erythrobasidiales R. Bauer, Begerow, J.P. Samp., M. Weiss & Oberw. (2006)
4 Order Naohideales R. Bauer, Begerow, J.P. Samp., M. Weiss & Oberw. (2006)
5 Order Sakaguchiales R.L. Zhao & K.D.Hyde (2017)
6 Family Microsporomycetaceae Q.M. Wang, F.Y. Bai, M. Groenew. & Boekhout (2015), incertae sedis
7 Family Symmetrosporaceae Q.M. Wang, F.Y. Bai, M. Groenew. & Boekhout (2015), incertae sedis
8 Genus Queiroziella C.R. Félix, J.D.P. Bezerra, R.P. Neves & Landell (2018), incertae sedis