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
                                  
 Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                    
 Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                      
 Infrakingdom Protostomia Grobben, 1908
                                        
 Superphylum Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake, 1997
                                          
 Panarthropoda Nielsen, 1995 - panarthropods
                                            
 Tactopoda Budd, 2001
                                              
 Phylum Arthropoda Siebold, 1848 - arthropods
                                                
 Euarthropoda
                                                  
 Subphylum Chelicerata Heymons, 1901
                                                    
 Class Pycnogonida Latreille, 1810 - pycnogonids
                                                      
 Order Pantopoda Gerstaecker, 1863
                                                        
 Suborder Eupantopodida Fry, 1978
                                                          
 Superfamily Nymphonoidea Wilson, 1878
                                                            
 Family Nymphonidaeᵀ Wilson, 1878
                                                              
 Genus Nymphonᵀ Fabricius, 1794
                                                                
 Nymphon aequidigitatum Haswell, 1884
                                                                
 Nymphon bunyipi Clark, 1963
                                                                
 Nymphon conirostrum Stock, 1973
                                                                
 Nymphon draconis Child, 1990
                                                                
 Nymphon dubitabile Stock, 1973
                                                                
 Nymphon flindersi Child, 1975
                                                                
 Nymphon immane Stock, 1954
                                                                
 Nymphon longicoxa Hoek, 1881
                                                                
 Nymphon maoriana Clark, 1958
                                                                
 Nymphon molleri Clark, 1963
                                                                
 Nymphon novaehollandiae Clark, 1963
                                                                
 Nymphon rottnesti Child, 1975
                                                                
 Nymphon singulare Stock, 1954