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
                 Family Rhizophysidae Brandt, 1835
                   Genus Rhizophysa Oken, 1815