Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
   Opisthokonta Cavalier-Smith, 1987 - opisthokonts see Clade Opisthokonta Cavalier-Smith 1987, nom. cl. inval.
     Metazoa Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758
       Eumetazoa Bütschli, 1910 - eumetazoans
         Phylum Cnidaria Hatschek, 1888 - cnidarians
           1 Class Anthozoa Ehrenberg, 1831
           2 Medusozoa Petersen, 1979 see Subphylum Medusozoa Petersen, 1979
           4 ?Myxozoa Grassé, 1970 see Subphylum Myxozoa Grassé, 1970