life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Empire Eukaryota (Chatton, 1925) see Domain Eukaryota Chatton, 1925 Kingdom Plantae Haeckel (1866) - plants Subkingdom Biliphyta Caval.-Sm. (1981) [paraphyletic?] - red algae and glaucophytes see Kingdom Plantae Haeckel (1866) Infrakingdom Rhodophyta Wettst. (1901) [monotypic] see Phylum Rhodophyta Wettst. (1901) Phylum Rhodophyta Wettst. (1901) - red algae Subphylum Rhodellophytina Caval.-Sm. (1998) [monotypic] Class Rhodellophyceae Caval.-Sm. (1998) [paraphyletic?] Cyanidiales T.A.Chr. (1962), nom. inval. see Order Cyanidiales Doweld (2001)