[living organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Superkingdom Eukaryota Whittaker & Margulis, 1978 see Domain Eukaryota Chatton, 1925 Kingdom Plantae Haeckel (1866) - plants Subkingdom Biliphyta Caval.-Sm. (1981) - red algae and glaucophytes see Kingdom Plantae Haeckel (1866) Phylum Glaucophyta Skuja (1954) [monotypic] Class Glaucophyceae Bohlin (1901) [monotypic] Order Glaucocystales Bessey (1907)