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)
           1 Genus Ballistosporomyces Nakase, G. Okada & Sugiy. (1989)
           2 Genus Chionosphaera D.E. Cox (1976)
           3 Genus Cystobasidiopsis R. Bauer, B. Metzler, Begerow & Oberw. (2009)
           4 Genus Kurtzmanomyces Y. Yamada, Itoh, H. Kawas., I. Banno & Nakase (1989)
           5 Genus Stilbum Tode (1790), nom. sanct.