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
                            
 Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
                              
 Infrakingdom Halvaria Cavalier-Smith, 2010
                                
 Superphylum Alveolata Cavalier-Smith, 1991
                                  
 Phylum Miozoa Cavalier-Smith, 1987
                                    
 Subphylum Myzozoa Cavalier-Smith & Chao, 2004
                                      
 Infraphylum Dinozoa Cavalier-Smith, 1981
                                        
 Superclass Dinoflagellata Bütschli, 1885
                                          
 Class Dinophyceae Pascher (1914)
                                            
 Subclass Prorocentrophycidae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993) [monotypic]
                                              
 Order Prorocentralesᵀ Lemmerm. (1910)
                                                
 Family Prorocentraceaeᵀ F. Stein (1883)
                                                  
 1 Genus Mesoporos Lillick (1937)
                                                  
 3.1 Genus Prorocentrumᵀ Ehrenb. (1834)
                                                  
 3.2 Genus Exuviaella Cienk. (1881)