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
           Class Anthozoa Ehrenberg, 1831
             Subclass Alcyonaria
               1 Order Stolonifera - stoloniferans
               2 Order Helioporacea - helioporaceans
               3 Order Telestacea - telestaceans see Order Stolonifera
               4 Order Alcyonacea Lamouroux, 1816 - soft corals
               5 Order Gorgonacea Lamouroux, 1816 - sea fans and sea whips
               6 Order Pennatulacea - sea pens and sea pansies