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 Chromista Caval.-Sm. (1981) - chromists
                          
 Subkingdom Harosa Cavalier-Smith, 2010
                            
 [halvaria Cavalier-Smith, 2010]
 see Infrakingdom Halvaria Cavalier-Smith, 2010
                              
 [Infrakingdom Heterokonta Caval.-Sm. (1986) - heterokonts]
 see Superphylum Heterokonta Caval.-Sm. (1986)
                                
 [Phylum Opalozoa Cavalier-Smith, 1992]
 see Subphylum Opalozoa Cavalier-Smith, 1992
                                  
 [Subphylum Proterozoa Cavalier-Smith, 1991]
                                    
 [Class Heteromitea Cavalier-Smith, 1993]
                                      
 [Subclass Sarcomonadia Cavalier-Smith, 1993]
 see Class Sarcomonadea Cavalier-Smith, 1993
                                        
 [Superorder Thaumatomonadidea Cavalier-Smith, 1993 [monotypic]]