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
                          
 Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
                            
 Phylum Chlorophyta Pascher (1914) [coordinate rank] - green algae
                              
 "core chlorophytes"
                                
 Class Chlorophyceae Wille (1884) - chlorophytes
                                  
 Order Sphaeropleales Luerssen (1877)
                                    
 Family Sphaeropleaceaeᵀ Kützing
                                      
 Genus Ankyra Fott (1957)
                                        
 1 Ankyra ancora (G.M. Sm.) Fott
                                        
 2 Ankyra calcarifera (Kisselev) Fott
                                        
 3 Ankyra inermis O. Reymond & J.C. Druart
                                        
 4 Ankyra judayi (G.M. Sm.) Fott
                                        
 5 Ankyra lanceolata (Korshikov) Fott
                                        
 6 Ankyra ocellata (Korshikov) Fott
                                        
 7 Ankyra starrii K.W. Lee & Bold