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 Deuterostomia Grobben, 1908
                                        
 Phylum Chordata Bateson, 1885 - chordates
                                          
 Subphylum Craniata auct.
                                            
 Infraphylum Vertebrata Lamarck, 1801 - vertebrates
                                              
 Clade Pan-Gnathostomata Downs 2020
                                                
 Superclass Gnathostomataᵀ Gegenbaur, 1874 - jawed vertebrates
                                                  
 [crown] Clade Eugnathostomata
                                                    
 Clade Pan-Osteichthyes Rowe 2004 [Moore & Near 2020]
                                                      
 Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
                                                        
 Clade Pan-Actinopterygii Rowe 2004 [Moore & Near 2020]
                                                          
 Clade Actinopterygiiᵀ Woodward 1891 [Moore & Near 2020]
                                                            
 Clade Pan-Actinopteri Moore & Near 2020
                                                              
 Class Actinopteri Cope, 1871
                                                                
 Subclass Neopterygii Regan, 1923
                                                                  
 Infraclass Teleosteomorpha Arratia, 2001
                                                                    
 Division Teleostei Müller, 1845
                                                                      
 Supercohort Teleocephala de Pinna, 1996 - crown-group Teleostei
                                                                        
 Cohort Clupeocephala Patterson & Rosen, 1977
                                                                          
 Subcohort Euteleosteomorpha Greenwood et al., 1966
                                                                            
 Infracohort Neoteleostei Nelson, 1969
                                                                              
 Supersection Eurypterygia Rosen, 1973
                                                                                
 Section Ctenosquamata Rosen, 1973
                                                                                  
 Subsection Acanthomorphata Rosen, 1973
                                                                                    
 Clade Euacanthomorpha Johnson & Patterson, 1993
                                                                                      
 Clade Holacanthopterygii Johnson & Patterson, 1993
                                                                                        
 Division Acanthopterygii Rosen & Patterson, 1969
                                                                                          
 Subdivision Percomorphaceae
                                                                                            
 Series Gobiaria [monotypic]
                                                                                              
 Order Gobiiformesᵀ Günther, 1880 - gobies
                                                                                                
 Suborder Gobioideiᵀ Berg, 1940
                                                                                                  
 Family Gobiidaeᵀ Cuvier, 1816 - gobies
                                                                                                    
 Subfamily Gobiinaeᵀ Cuvier, 1816 - sea gobies
                                                                                                      
 Genus Caffrogobius Smitt, 1900
                                                                                                        
 Caffrogobius agulhensis (Barnard, 1927)
                                                                                                        
 Caffrogobius caffer (Günther, 1874)
                                                                                                        
 Caffrogobius dubius (Smith, 1959)
                                                                                                        
 Caffrogobius gilchristi (Boulenger, 1898)
                                                                                                        
 Caffrogobius natalensis (Günther, 1874)
                                                                                                        
 Caffrogobius nudiceps (Valenciennes, 1837)
                                                                                                        
 Caffrogobius saldanha (Barnard, 1927)