Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Pucciniomycotina R. Bauer, Begerow, J.P. Samp., M. Weiss & Oberw. (2006) Class Agaricostilbomycetes R. Bauer, Begerow, J.P. Samp., M. Weiss & Oberw. (2006) Order Agaricostilbales Oberw. & R. Bauer (1989) Family Chionosphaeraceae Oberw. & Bandoni (1982) Genus Cystobasidiopsis R. Bauer, B. Metzler, Begerow & Oberw. (2009)