Order Haplosclerina Topsent 1898 Haplosclerinida 



Order Keratosa Grant 1801 Keratosida 



Subkingdom Metazoa Haeckel 1877 Metazoa 



Branch Enterozoa Lankester 1878 Enterozoa 



Phylum Coelenterata Leuckart 1848 Coelenterata 



Subphylum Cnidaria Milne-Edwards & Haime 1857 Cnidaria 



Class Hydrozoa Huxley 1857 Hydrozoea 



Order Hydroida Huxley 1857 Hydroida 



Order Trachylina Haeckel 1877 Trachylida 



Order Milleporina Hickson 1899 Milleporida 



Order Stylasterina Hickson 1899 Stylasterida 



Order Siphonophora Escholtz 1829 Siphonophorida 



Suborder Calycophorae Leuckart 1854 Calcyphorina 



Suborder Rhizophysaliae Chun 1882 Rhizophysalina 



Suborder Chondrophorae Chamisso & Eysenhard 1821 Chondrophorina 



Class Scyphozoa Grobben 1910 Scyphozoea 



Order Lucernariidea Johnston 1847 Lucernarida 



Order Charybdeidea Gegenbaur 1856 Charybdida 



Order Corona Vanhoffen 1892 Coronida 



Order Semaeostomeae L. Agassiz 1862 Semaeostomida 



Order Rhizostomeae Cuvier 1799 Rhizostomida 



Class Anthozoa Ehrenberg 1834 Anthozoea 



Subclass Alcyonaria Milne-Edwards & Haime 1857 Alcyonaria 



Order Stolonifera Hickson 1883 Stoloniferida 



Order Telestacea Hickson 1930 Telestacida 



Order Alcyonacea Verrill 1866 Alcyonacida 



Order Gorgonacea Verrill 1866 Gorgonacida 



Suborder Scleraxonia Wright & Struder 1889 Scleraxonina 



Suborder Holaxonia Wright & Struder 1889 _ Holaxonina 



Order Coenothecalia Bourne 1900 Coenothecalida 



Order Pennatulacea Verrill 1866 Pennatulacida 



Subclass Zoantharia Blainville 1830 Zoantharia 



Order Cerianthidea M.-Edw. & Haime 1857 Cerianthida 



Order Antipitharia Dana 1846 Antipithida 



Order Zoanthidea Dana 1846 Zoanthida 



Order Edwardsiidea R. Hertwig 1888 Edwardsiida 



Order Proactiniae McMurrich 1892 Proactinida 



Order Actinaria McMurrich 1 829 Actiniarida 



Suborder Ptychodaetiaria Stephenson 1921 Ptychodaetiarina 



Suborder Coralliomorpharia Carlgren 1936 Coralliomorpharina 



Suborder Actiniaria Carlgren 1925 Actiniarina 



Order Madreporaria Linnaeus 1748 Madreporarida 



Suborder Aporosa M.-Edw. & Haime 1857 Aporosina 



Suborder Fungacea M.-Edw. & Haime 1857 Fungacina 



Suborder Perforata M.-Edw. & Haime 1857 Perforina 



Subphylum Acnidaria Krumbach 1925 Acnidaria 



Class Tentaculata Wagner 1834 Tentaculatea 



Order Cydippidea Lesson 1843 Cydippida 



Order Lobata Eschscholtz 1829 Lobatida 



Order Cestoidea Lesson 1843 Cestida 



Order Platyctenea Bourne 1900 Platyctenida 



Class Nuda Bourne 1900 Nudea 



Order Beroidea Eschscholtz 1829 Beroida 



Subbranch Triploblastica Lankester 1900 Triploblastica 



