life
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Empire Eukaryota (Chatton, 1925)
 see Domain Eukaryota Chatton, 1925
    
 Superkingdom Metakaryota
 see Domain Eukaryota Chatton, 1925
      
 Kingdom Protozoa Goldfuss, 1818 - protozoa
        
 Subkingdom Dictyozoa Cavalier-Smith, 1991
          
 Branch Bikonta Cavalier-Smith, 1993
            
 Infrakingdom Neozoa Cavalier-Smith, 1993
              
 Parvkingdom Actinopoda Calkins, 1902
                
 Phylum Radiozoa Cavalier-Smith, 1987
 see Subphylum Radiozoa Cavalier-Smith, 1987
                  
 Subphylum Radiolaria Müller, 1858
 see Subphylum Radiozoa Cavalier-Smith, 1987
                    
 1 Class Polycystinea Ehrenberg, 1838 - polycystines
 see Superclass Polycystinia Ehrenberg, 1838
                    
 2 Class Phaeodarea Haeckel, 1879
 see Subclass Phaeodaria Haeckel, 1879