living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925 Kingdom Plantae Haeckel (1866) - plants Subkingdom Thallobionta Division Rhodophycota see Phylum Rhodophyta Wettst. (1901) Class Rhodophyceae Thuret (1855) - red algae see Phylum Rhodophyta Wettst. (1901) 1 Subclass Bangiophycideae see Class Bangiophyceae Wettst. (1901) 2 Subclass Florideophycideae see Class Florideophyceae Cronquist (1960)