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 dorsates Cavalier-Smith, 2021
                  
 Clade podiates Cavalier-Smith, 2012
                    
 Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                      
 Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                        
 Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                          
 Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                            
 Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                              
 Kingdom Animalia Linnaeus, 1758 - animals
                                
 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                  
 Phylum Cnidaria Hatschek, 1888 [coordinate rank] - cnidarians
                                    
 Subphylum Anthozoa Ehrenberg, 1831 [monotypic]
                                      
 Class Anthozoa Ehrenberg, 1831
                                        
 Subclass Alcyonaria
                                          
 Order Gorgonacea Lamouroux, 1816 - sea fans and sea whips
                                            
 Suborder Holaxonia
                                              
 Family Plexauridae
                                                
 Genus Acanthacis Deichmann, 1936
                                                
 Genus Acanthomuricea
                                                
 Genus Anthomuricea Wright & Studer, 1887
                                                
 Genus Anthoplexaura Kükenthal, 1908
                                                
 Genus Astrogorgia Verrill, 1868
                                                
 Genus Astromuricea Germanos, 1895
                                                
 Genus Bayergorgia Williams & López-González, 2005
                                                
 Genus Dentomuricea Grasshoff, 1977
                                                
 Genus Echinogorgia Kölliker, 1865
                                                
 Genus Euplexaura Verrill, 1869
                                                
 Genus Lepidomuricea
                                                
 Genus Mesogligorgia López-González, 2006
                                                
 Genus Nicaule Bayer, 1981
                                                
 Genus Paracis Kükenthal, 1919
                                                
 Genus Psammogorgia Verrill, 1868
                                                
 Genus Pseudobebryce Kükenthal, 1919
                                                
 Genus Pseudothesea Kükenthal, 1919
                                                
 Genus Scleracis Kükenthal, 1919
                                                
 Genus Spinimuricea Grasshoff, 1992
                                                
 Genus Swiftia Duchassaing, 1866
                                                
 Genus Trimuricea Gordon, 1926
                                                
 1 Genus Bebryce Philippi, 1841
                                                
 1 Genus Echinomuricea Verrill, 1869
                                                
 1 Genus Heterogorgia Verrill, 1869
                                                
 1 Genus Hypnogorgia Duchassaing & Michelotti, 1864
                                                
 1 Genus Lytreia Bayer, 1981
                                                
 1 Genus Muriceides Wright & Studer, 1889
                                                
 1 Genus Paramuricea Kölliker, 1865
                                                
 1 Genus Placogorgia Wright & Studer, 1889
                                                
 1 Genus Villogorgia Duchassaing & Michelloti, 1862
                                                
 2 Genus Caliacis Deichmann, 1936
                                                
 2 Genus Calicogorgia Thomson & Henderson, 1906
                                                
 2 Genus Muricea Lamouroux, 1821
                                                
 2 Genus Muriceopsis Aurivillius, 1931
                                                
 2 Genus Plexauraᵀ Lamouroux, 1812
                                                
 2 Genus Plexaurella
                                                
 2 Genus Pseudoplexaura Wright & Studer, 1889
                                                
 2 Genus Thesea Duchassaing & Michelotti, 1860