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) Subclass Florideophycideae see Class Florideophyceae Cronquist (1960) Order Gigartinales F.Schmitz Family Polyideaceae Kylin (1956) see Family Polyidaceae Kylin (1956), nom. cons. 1 Genus Polyides C.Agardh (1822) 2 Genus Rhodopeltis Harv. (1863)