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 Macrorhodophytina Caval.-Sm. (1998) see Subphylum Eurhodophytina G.W.Saunders & Hommers. (2004)
               Class Bangiophyceae Wettst. (1901)
                 1 Bangiales Nägeli (1847)
                 2 Rhodochaetales Bessey (1907)