Natura - nature
  
 actualia - actual entities
    
 Mundus Plinius - physical world
      
 naturalia - natural bodies
        
 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
                                
 Subphylum Eurhodophytina G.W.Saunders & Hommers. (2004)
                                  
 Class Florideophyceae Cronquist (1960)
                                    
 Subclass Rhodymeniophycidae G.W.Saunders & Hommers. (2004)
                                      
 Order Halymeniales G.W.Saunders & Kraft
                                        
 Family Halymeniaceaeᵀ Kützing
                                          
 Genus Prionitis J.Agardh (1851), nom. cons.
                                            
 Prionitis australis (J.Agardh) J.Agardh
                                            
 Prionitis filiformis Kylin
                                            
 Prionitis linearis Kylin
                                            
 Prionitis lyallii Harvey
                                            
 Prionitis nodifera (Hering) Barton
                                            
 Prionitis obtusa Sonder
                                            
 Prionitis wentii Weber-van Bosse