Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
                     Clade eucorta Cavalier-Smith, 2021
                       Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Plantae Haeckel (1866) - plants
                           Clade Rhodaria Cavalier-Smith 2021
                             Subkingdom Rhodoplantae G.W.Saunders & Hommers. (2004) [monotypic]
                               Phylum Rhodophyta Wettst. (1901) - red algae
                                 ?Family †Moniliporellaceae Gnilovskaya (1972)
                                 [Family †Solenoporaceae Pia (1920) [polyphyletic]] see [unranked] solenoporaceans
                                 0 [Class Rhodophyceaeᵀ Thuret (1855) - red algae] see Phylum Rhodophyta Wettst. (1901)
                                 1 Subphylum Cyanidiophytina [monotypic]
                                 2.1 Subphylum Rhodellophytina Caval.-Sm. (1998), sedis mutabilis
                                 2.2 Subphylum Metarhodophytina G.W.Saunders & Hommers. (2004), sedis mutabilis [monotypic]
                                 2.3 Subphylum Eurhodophytina G.W.Saunders & Hommers. (2004)
                                 2.3.0 [Subphylum Macrorhodophytina Caval.-Sm. (1998)] see Subphylum Eurhodophytina G.W.Saunders & Hommers. (2004)
                                 2.3.1.0 [Class Bangiales F.Schmitz] see Subclass Bangiophycideae
                                 2.3.2.0 [Class Florideae] see Subclass Florideophycideae
                                 nd ?[Genus Muda Adans. (1763), nom. dub.]