Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Coelenterata Hatschek, 1888 see Infrakingdom Coelenterata Leuckart, 1847
         Phylum Cnidaria Hatschek, 1888 - cnidarians
           Class Anthozoa Ehrenberg, 1831
             Subclass Hexaradiata see Subclass Zoantharia de Blainville, 1830
               Order Actiniaria - sea anemones
                 Suborder Nyantheae
                   Family group Mesomyaria see Superfamily Mesomyaria
                     Genus group Acontiaria Stephenson, 1935 see Superfamily Acontiaria Stephenson, 1935
                       1 Genus [Metridium] Blainville, 1824
                       2 Genus [Calliactis] Verrill, 1869
                       3 Genus [Adamsia] E. Forbes, 1840
                       4 Genus Sagartia Gosse, 1855
                       5 Genus [Cereus] Oken, 1815
                       6 Genus [Aiptasia] Gosse, 1858