organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Empire Eukaryota (Chatton, 1925) see Domain Eukaryota Chatton, 1925 Superkingdom Metakaryota see Domain Eukaryota Chatton, 1925 Kingdom Chromista Caval.-Sm. (1981) - chromists Chromobiota Caval.-Sm. (1991)