organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Eumetazoa Bütschli, 1910 - eumetazoans
       Phylum Cnidaria Hatschek, 1888 - cnidarians
         Medusozoa Petersen, 1979 see Subphylum Medusozoa Petersen, 1979
           1 Class †Conulata Moore & Harrington, 1956
           2.1 Class Scyphozoa Goette, 1887 - jellyfish
           2.2.1 Class Cubozoa Werner, 1975 - box jellies
           2.2.2 Class Hydrozoa Owen, 1843