organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Eukaryota Chatton, 1925 - eukaryotes Kingdom Fungi R.T.Moore (1980) - fungi Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Class Ustilaginomycetes Warm. (1884) - smut fungi Subclass Ustilaginomycetidae Jülich (1981) see Class Ustilaginomycetes Warm. (1884) Order Urocystales R. Bauer & Oberw. (1997), orth. inval. see Order Urocystidales R. Bauer & Oberw. (1997) Family Melanotaeniaceae Begerow, R. Bauer & Oberw. (1998) Genus Yelsemia J. Walker (2001)