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 Cnidaria Hatschek, 1888 - cnidarians
          
 Class Hydrozoa Owen, 1843
            
 Order Siphonophora Eschscholtz, 1829 - siphonophorans
              
 Suborder Cystonectae Haeckel, 1887
 see Suborder Cystonectida
                
 1 Family Rhizophysidae Brandt, 1835
                
 2 Family Physaliidae Brandt, 1835