Halecium

Halecium
	Portion of female colony of Halecium beanii
Scientific classification
Kingdom:	Animalia
Phylum:	Cnidaria
Class:	Hydrozoa
Order:	Leptothecata
Family:	Haleciidae
Genus:	Halecium; Oken, 1815
Synonyms
	Thoa Lamouroux, 1816; Baleum Billard, 1929; Endothecium Fraser, 1935; Sagamihydra Hirohito, 1995;

Halecium is a genus of hydrozoans in the family Haleciidae. These marine invertebrates are found in all oceans, where they often form large colonies.

Species

Halecium currently contains 135 confirmed species.

Halecium amphibolum Watson, 1993
Halecium annulatum Torrey, 1902
Halecium annuliforme Galea & Schories, 2012
Halecium antarcticum Vanhöffen, 1910
Halecium arcticum Ronowicz & Schuchert, 2007
Halecium argentum Clarke, 1894
Halecium articulosum Clark, 1875
Halecium banyulense Motz-Kossowska, 1912
Halecium banzare Watson, 2008
Halecium beanii (Johnston, 1838)
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 calderi Galea, 2010
Halecium conicum Stechow, 1919
Halecium corrugatissimum Trebilcock, 1928
Halecium corrugatum Nutting, 1899
Halecium crinis Stechow, 1913
Halecium curvicaule 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, 1942
Halecium discoidum Galea, 2013
Halecium dubium Fraser, 1941
Halecium dufresnae Millard, 1977
Halecium dyssymetrum Billard, 1929
Halecium edwardsianum (d'Orbigny, 1842)
Halecium elegantulum Watson, 2008
Halecium erratum Galea, Försterra, Häussermann & Schories, 2014
Halecium exaggeratum Peña Cantero, Boero & Piraino, 2013
Halecium exiguum Fraser, 1948
Halecium expansum Trebilcock, 1928
Halecium fasciculatum Fraser, 1938
Halecium fijiensis Watson, 2015
Halecium filicula Allman, 1877
Halecium fjordlandicum Galea, 2007
Halecium flabellatum Fraser, 1935
Halecium flexum Fraser, 1948
Halecium fragile Hodgson, 1950
Halecium fraseri Ralph, 1958
Halecium frigidum Peña Cantero, 2010
Halecium galeatum Billard, 1937
Halecium groenlandicum Kramp, 1911
Halecium halecinum (Linnaeus, 1758)
Halecium harrimani Nutting, 1901
Halecium humeriformis Galea & Schories, 2014
Halecium humile Pictet, 1893
Halecium incertus Naumov & Stepanjants, 1962
Halecium inhacae Millard, 1958
Halecium insolens Fraser, 1938
Halecium interpolatum Ritchie, 1907
Halecium irregulare Bonnevie, 1899
Halecium jaederholmi Vervoort, 1972
Halecium kofoidi Torrey, 1902
Halecium labiatum Billard, 1933
Halecium labrosum Alder, 1859
Halecium laeve Kramp, 1932
Halecium lamourouxianum (d'Orbigny, 1842)
Halecium lankesterii (Bourne, 1890)
Halecium lenticulare Trebilcock, 1928
Halecium lightbourni Calder, 1991
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 marsupiale Bergh, 1887
Halecium maximum Galea & Schories, 2014
Halecium mediterraneum Weismann, 1883
Halecium minutum Broch, 1903
Halecium mirabile Schydlowsky, 1902
Halecium mirandus Antsulevich & Regel, 1986
Halecium modestum Galea & Schories, 2014
Halecium muricatum (Ellis & Solander, 1786)
Halecium mutilum Allman, 1876
Halecium nanum Alder, 1859
Halecium nullinodum Fraser, 1935
Halecium obovatum Watson, 2018
Halecium ochotense Linko, 1911
Halecium ornatum Nutting, 1901
Halecium ovatum Totton, 1930
Halecium pallens Jäderholm, 1904
Halecium paucinodum (Fraser, 1947)
Halecium pearsonenese Watson, 1997
Halecium perexiguum Hirohito, 1995
Halecium permodicum Calder, 2017
Halecium petrosum Stechow, 1919
Halecium planum Bonnevie, 1901
Halecium platythecum Galea, Försterra & Häussermann, 2014
Halecium plicatocarpum Vervoort & Watson, 2003
Halecium plicatum Galea, 2015
Halecium plumosum Hincks, 1868
Halecium praeparvum Calder, 2017
Halecium profundum Calder & Vervoort, 1998
Halecium pseudodelicatulum Peña Cantero, 2014
Halecium pseudoincertus Peña Cantero, 2014
Halecium pusillum (Sars, 1857)
Halecium pyriform Hirohito, 1995
Halecium ralpha Watson & Vervoort, 2001
Halecium reduplicatum (Fraser, 1935)
Halecium regulare Fraser, 1938
Halecium reversum Nutting, 1901
Halecium scalariformis Billard, 1929
Halecium scandens Nutting, 1906
Halecium scutum Clark, 1977
Halecium secundum Jäderholm, 1904
Halecium sessile Norman, 1867
Halecium sibogae Billard, 1929
Halecium singulare (Billard, 1929)
Halecium spatulum Watson, 2000
Halecium speciosum Nutting, 1901
Halecium stoloniferum Soto Angel & Peña Cantero, 2015
Halecium tabulatum Watson, 2005
Halecium tangaroa Peña Cantero, 2017
Halecium telescopicum Allman, 1888
Halecium tenellum Hincks, 1861
Halecium tensum Fraser, 1941
Halecium tenue Fraser, 1938
Halecium textum Kramp, 1911
Halecium tortile Bonnevie, 1898
Halecium tortum Fraser, 1938
Halecium tristaniensis Galea, 2014
Halecium tubatum Watson, 2008
Halecium undulatum Billard, 1921
Halecium vagans Fraser, 1938
Halecium vasiforme Fraser, 1935
Halecium wilsoni Calkins, 1899
Halecium xanthellatum Galea, 2013

References

↑ Schuchert, Peter (February 2005). "Taxonomic revision and systematic notes on some species (Cnidaria, Hydrozoa)". Journal of Natural History. 39 (8): 607–639. doi:10.1080/00222930400001319.
↑ Peter Schuchert (2024). "Halecium Oken, 1815". WoRMS. World Register of Marine Species. Retrieved 20 April 2024.

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[1] Schuchert, Peter (February 2005). "Taxonomic revision and systematic notes on some species (Cnidaria, Hydrozoa)". Journal of Natural History. 39 (8): 607–639. doi:10.1080/00222930400001319.

[WORMS1-2] Peter Schuchert (2024). "Halecium Oken, 1815". WoRMS. World Register of Marine Species. Retrieved 20 April 2024.

Halecium

Portion of female colony of Halecium beanii
Scientific classification
Kingdom:	Animalia
Phylum:	Cnidaria
Class:	Hydrozoa
Order:	Leptothecata
Family:	Haleciidae
Genus:	Halecium Oken, 1815
Synonyms
Thoa Lamouroux, 1816 Baleum Billard, 1929 Endothecium Fraser, 1935 Sagamihydra Hirohito, 1995