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
                                                  
 Antennulata
                                                    
 Subphylum Mandibulata Snodgrass, 1938
                                                      
 Infraphylum Pancrustacea Zrzavý & Štys, 1997
                                                        
 Altocrustacea
                                                          
 Miracrustacea
                                                            
 Superclass Hexapoda Latreille, 1825
                                                              
 Cercophora
                                                                
 Class Insecta Linnaeus, 1758 - insects
                                                                  
 Subclass Dicondylia Haeckel, 1866
                                                                    
 Infraclass Pterygota Lang, 1888
                                                                      
 Metapterygota
                                                                        
 Neoptera Martynov, 1923
                                                                          
 Eumetabola
                                                                            
 Paraneoptera
                                                                              
 Superorder Condylognatha Börner, 1904
                                                                                
 Order Hemiptera Linnaeus, 1758 - true bugs
                                                                                  
 Heteropterida
                                                                                    
 Suborder Heteropteraᵀ Latreille, 1810
                                                                                      
 Infraorder Nepomorpha Popov, 1971
                                                                                        
 Superfamily Corixoidea Leach, 1815
                                                                                          
 Family Corixidaeᵀ (Leach, 1815) - water boatmen
                                                                                            
 Genus Arctocorisa Wallengren, 1894
                                                                                            
 Genus Callicorixa White, 1873
                                                                                            
 Genus Cenocorixa Hungerford, 1948
                                                                                            
 Genus Centrocorisa Lundblad, 1928
                                                                                            
 Genus Corisella Lundblad, 1928
                                                                                            
 Genus Dasycorixa Hungerford, 1948
                                                                                            
 Genus Glaenocorisa Thomson, 1869
                                                                                            
 Genus Graptocorixa Hungerford, 1930
                                                                                            
 Genus Hesperocorixa Kirkaldy, 1908
                                                                                            
 Genus Morphocorixa Jaczewski, 1931
                                                                                            
 Genus Neocorixa Hungerford, 1925
                                                                                            
 Genus Palmacorixa Abbott, 1912
                                                                                            
 Genus Pseudocorixa Jaczewski, 1931
                                                                                            
 Genus Ramphocorixa Abbott, 1912
                                                                                            
 Genus Sigara Fabricius, 1775
                                                                                            
 Genus Trichocorixa Kirkaldy, 1908
                                                                                            
 1 Subfamily Micronectinae Jaczewski, 1924
                                                                                            
 2 Subfamily Diaprepocorinae Lundblad, 1928
                                                                                            
 3 Subfamily Corixinae (Douglas & Scott, 1865)
                                                                                            
 4 Subfamily Stenocorixinae Hungerford, 1948
                                                                                            
 5 Subfamily Cymatiinae Walton, 1940, nom. illeg.
                                                                                            
 6 Subfamily Heterocorixinae Hungerford, 1948