IRMNG Taxon list
Baleum singulare Billard, 1929
Diplocathus sibogae Billard, 1929 accepted as Hydrodendron sibogae (Billard, 1929)
Diplocyathus dichotomus Allmann, 1888
Diplocyathus minutus Leloup, 1930
Diplocyathus mirabilis (Hincks, 1866)
Diplocyathus sibogae Billard, 1929 accepted as Hydrodendron sibogae (Billard, 1929)
Georginella diaphana Hadzi, 1914 accepted as Hydranthea diaphana (Hadzi, 1914)
Halecium amphibolum Watson, 1993
Halecium annulatum Torrey, 1902
Halecium annuliforme Galea & Schories, 2012
Halecium antarcticum Vanhöffen, 1910
Halecium arcticum Ronowicz & Schuchert, 2007
Halecium articulosum Clark, 1875 accepted as Halecium sessile Norman, 1866
Halecium banyulense Motz-Kossowska, 1912
Halecium banzare Watson, 2008
Halecium beanei (Johnston, 1838) accepted as Halecium beanii (Johnston, 1838)
Halecium beanii (Johnston, 1838)
Halecium beringi Naumov, 1960 accepted as Halecium scutum Clark, 1976
Halecium bermudense Congdon, 1907
Halecium birulai Spassky, 1929
Halecium bithecum Watson, 2005
Halecium brashnikowi Linko, 1911
Halecium brevithecum Watson, 2008
Halecium bruniensis Watson, 1975
Halecium buchananae Blackburn, 1937
Halecium calderi Galea, 2010
Halecium capillare (Pourtalès, 1867)
Halecium conicum Stechow, 1919
Halecium corrugatissimum Trebilcock, 1928
Halecium corrugatum Nutting, 1899
Halecium crinis Stechow, 1913
Halecium curvicaule von Lorenz, 1886
Halecium cymiforme Allman, 1888
Halecium cymosum Fraser, 1935
Halecium delicatulum Coughtrey, 1876
Halecium densum Calkins, 1899
Halecium dichotomum Allman, 1888
Halecium diminutivum Fraser, 1940
Halecium dubium Fraser, 1943
Halecium dufresnae Millard, 1977
Halecium dyssymetrum Billard, 1929
Halecium elegantulum Watson, 2008
Halecium exiguum Fraser, 1948
Halecium expansum Trebilcock, 1928
Halecium fasciculatum Fraser, 1938
Halecium filicula Allman, 1877
Halecium fjordlandicum Galea, 2007
Halecium flabellatum Fraser, 1935
Halecium flexile Allman, 1888 accepted as Halecium delicatulum Coughtrey, 1876
Halecium flexum Fraser, 1948
Halecium fragile Hodgson, 1950
Halecium fraseri Ralph, 1958
Halecium frigidum Peña Cantero, 2010
Halecium fruticosum Fraser, 1943
Halecium galeatum Billard, 1937
Halecium geniculatum Norman, 1867 accepted as Halecium halecinum (Linnaeus, 1758)
Halecium geniculatum Nutting, 1899 accepted as Halecium washingtoni Nutting, 1901 accepted as Halecium tenellum Hincks, 1861
Halecium gracile Bale, 1893
Halecium gracile Verrill, 1874 accepted as Halecium delicatulum Coughtrey, 1876
Halecium groenlandicum Kramp, 1911
Halecium halecinum (Linnaeus, 1758)
Halecium halecium (Linnaeus, 1758)
Halecium harrimani Nutting, 1901
Halecium humile Pictet, 1893
Halecium incertus Naumov & Stepanjants, 1962
Halecium inhacae Millard, 1958
Halecium insigne Hincks, 1861 accepted as Eudendrium insigne Hincks, 1861
Halecium insolens Fraser, 1938
Halecium interpolatum Ritchie, 1907
Halecium irregulare Bonnevie, 1899
Halecium jaederholmi Vervoort, 1972
Halecium kofoidi Torrey, 1902
Halecium kuekenthali von Marktanner-Turneretscher, 1895 accepted as Halecium curvicaule von Lorenz, 1886
Halecium labiatum Billard, 1933
Halecium labrosum Alder, 1859
Halecium laeve Kramp, 1932
Halecium lankesteri (Bourne, 1890)
Halecium lankesterii (Bourne, 1890)
Halecium lenticulare Trebilcock, 1928
Halecium lightbourni Calder, 1991
Halecium lighti Hargitt, 1924 accepted as Nemalecium lighti (Hargitt, 1924)
Halecium linkoi Antsulevich, 1980
Halecium liouvillei Billard, 1934
Halecium lucium Antsulevich, 1979
Halecium luteum Watson, 1975
Halecium macrocaulus Watson, 2008
Halecium macrocephalum Allman, 1877
Halecium magellanicum Hartlaub, 1905
Halecium marsupiale Bergh, 1887
Halecium mediterraneum Weismann, 1883
Halecium minimum Schneider, 1898 accepted as Halecium conicum Stechow, 1919
Halecium minor Fraser, 1935
Halecium minor Pictet, 1893
Halecium minutum Broch, 1903
Halecium minutum Motz-Kossowska, 1911 accepted as Halecium conicum Stechow, 1919
Halecium mirabile Schydlowsky, 1902
Halecium mirandus Antsulevich & Regel, 1986
Halecium muricatum (Ellis & Solander, 1786)
Halecium nanum Alder, 1859
Halecium nullinodum Fraser, 1935