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 neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
                 Clade neozoa Cavalier-Smith 1993
                   Superkingdom Corticata Lankester, 1878
                     Kingdom Plantae Haeckel (1866) - plants
                       Subkingdom Rhodoplantae G.W.Saunders & Hommers. (2004) [monotypic]
                         Phylum Rhodophyta Wettst. (1901) - red algae
                           Subphylum Eurhodophytina G.W.Saunders & Hommers. (2004)
                             Class Florideophyceae Cronquist (1960)
                               Subclass Rhodymeniophycidae G.W.Saunders & Hommers. (2004)
                                 Order Ceramiales Oltmanns
                                   Family Ceramiaceaeᵀ Dumort. (1822)
                                     Genus Ceramiumᵀ A.W. Roth (1797), nom. cons.
                                       Ceramium rubrum (Huds.) C.Agardh