living organisms
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Superkingdom Eukaryotae
 see Domain Eukaryota Chatton, 1925
    
 Kingdom Animalia Linnaeus, 1758 - animals
      
 Subkingdom Eumetazoa Butschli, 1910
 see [unranked] Eumetazoa Bütschli, 1910
        
 Phylum Arthropoda Siebold, 1848 - arthropods
          
 Subphylum Crustacea Brünnich, 1772 - crustaceans
 see Superclass Crustacea Pennant, 1777
            
 Subclass Malacostraca Latreille, 1802
 see Class Malacostraca Latreille, 1802
              
 Superorder Eucarida Calman, 1904
                
 Order Decapoda Latreille, 1802 - decapods
                  
 Suborder Pleocyemata Burkenroad, 1963
                    
 Infraorder Brachyura Latreille, 1802 - true crabs
                      
 Section Brachyrhyncha Borradaile, 1907
 see Section Eubrachyura de Saint Laurent, 1980
                        
 Superfamily Grapsidoidea
 see Superfamily Grapsoidea MacLeay, 1838
                          
 Family Grapsidae MacLeay, 1838
                            
 Genus Sesarma Say, 1817
                              
 Sesarma rubinofforum Abele, 1973