# Halecium

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Halecium
> Markdown URL: https://mediated.wiki/source/Halecium.md
> Source: https://en.wikipedia.org/wiki/Halecium
> Source revision: 1219924694
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

***Halecium*** is a genus of [hydrozoans](/source/Hydrozoans) in the family [Haleciidae](/source/Haleciidae). These marine invertebrates are found in all oceans, where they often form large colonies.[1]

## Species

*Halecium* currently contains 135 confirmed species.[2]

- *[Halecium amphibolum](/source/Halecium_amphibolum)* Watson, 1993
- *[Halecium annulatum](/source/Halecium_annulatum)* Torrey, 1902
- *[Halecium annuliforme](/source/Halecium_annuliforme)* Galea & Schories, 2012
- *[Halecium antarcticum](/source/Halecium_antarcticum)* Vanhöffen, 1910
- *[Halecium arcticum](/source/Halecium_arcticum)* Ronowicz & Schuchert, 2007
- *[Halecium argentum](/source/Halecium_argentum)* Clarke, 1894
- *[Halecium articulosum](/source/Halecium_articulosum)* Clark, 1875
- *[Halecium banyulense](/source/Halecium_banyulense)* Motz-Kossowska, 1912
- *[Halecium banzare](/source/Halecium_banzare)* Watson, 2008
- *[Halecium beanii](/source/Halecium_beanii)* (Johnston, 1838)
- *[Halecium bermudense](/source/Halecium_bermudense)* Congdon, 1907
- *[Halecium birulai](/source/Halecium_birulai)* Spassky, 1929
- *[Halecium bithecum](/source/Halecium_bithecum)* Watson, 2005
- *[Halecium brashnikowi](/source/Halecium_brashnikowi)* Linko, 1911
- *[Halecium brevithecum](/source/Halecium_brevithecum)* Watson, 2008
- *[Halecium bruniensis](/source/Halecium_bruniensis)* Watson, 1975
- *[Halecium calderi](/source/Halecium_calderi)* Galea, 2010
- *[Halecium conicum](/source/Halecium_conicum)* Stechow, 1919
- *[Halecium corrugatissimum](/source/Halecium_corrugatissimum)* Trebilcock, 1928
- *[Halecium corrugatum](/source/Halecium_corrugatum)* Nutting, 1899
- *[Halecium crinis](/source/Halecium_crinis)* Stechow, 1913
- *[Halecium curvicaule](/source/Halecium_curvicaule)* Lorenz, 1886
- *[Halecium cymiforme](/source/Halecium_cymiforme)* Allman, 1888
- *[Halecium cymosum](/source/Halecium_cymosum)* Fraser, 1935
- *[Halecium delicatulum](/source/Halecium_delicatulum)* Coughtrey, 1876
- *[Halecium densum](/source/Halecium_densum)* Calkins, 1899
- *[Halecium dichotomum](/source/Halecium_dichotomum)* Allman, 1888
- *[Halecium diminutivum](/source/Halecium_diminutivum)* Fraser, 1942
- *[Halecium discoidum](/source/Halecium_discoidum)* Galea, 2013
- *[Halecium dubium](/source/Halecium_dubium)* Fraser, 1941
- *[Halecium dufresnae](/source/Halecium_dufresnae)* Millard, 1977
- *[Halecium dyssymetrum](/source/Halecium_dyssymetrum)* Billard, 1929
- *[Halecium edwardsianum](/source/Halecium_edwardsianum)* (d'Orbigny, 1842)
- *[Halecium elegantulum](/source/Halecium_elegantulum)* Watson, 2008
- *[Halecium erratum](/source/Halecium_erratum)* Galea, Försterra, Häussermann & Schories, 2014
- *[Halecium exaggeratum](/source/Halecium_exaggeratum)* Peña Cantero, Boero & Piraino, 2013
- *[Halecium exiguum](/source/Halecium_exiguum)* Fraser, 1948
- *[Halecium expansum](/source/Halecium_expansum)* Trebilcock, 1928
- *[Halecium fasciculatum](/source/Halecium_fasciculatum)* Fraser, 1938
- *[Halecium fijiensis](/source/Halecium_fijiensis)* Watson, 2015
- *[Halecium filicula](/source/Halecium_filicula)* Allman, 1877
- *[Halecium fjordlandicum](/source/Halecium_fjordlandicum)* Galea, 2007
- *[Halecium flabellatum](/source/Halecium_flabellatum)* Fraser, 1935
- *[Halecium flexum](/source/Halecium_flexum)* Fraser, 1948
- *[Halecium fragile](/source/Halecium_fragile)* Hodgson, 1950
- *[Halecium fraseri](/source/Halecium_fraseri)* Ralph, 1958
- *[Halecium frigidum](/source/Halecium_frigidum)* Peña Cantero, 2010
- *[Halecium galeatum](/source/Halecium_galeatum)* Billard, 1937
- *[Halecium groenlandicum](/source/Halecium_groenlandicum)* Kramp, 1911
- *[Halecium halecinum](/source/Halecium_halecinum)* (Linnaeus, 1758)
- *[Halecium harrimani](/source/Halecium_harrimani)* Nutting, 1901
- *[Halecium humeriformis](/source/Halecium_humeriformis)* Galea & Schories, 2014
- *[Halecium humile](/source/Halecium_humile)* Pictet, 1893
- *[Halecium incertus](/source/Halecium_incertus)* Naumov & Stepanjants, 1962
- *[Halecium inhacae](/source/Halecium_inhacae)* Millard, 1958
- *[Halecium insolens](/source/Halecium_insolens)* Fraser, 1938
- *[Halecium interpolatum](/source/Halecium_interpolatum)* Ritchie, 1907
- *[Halecium irregulare](/source/Halecium_irregulare)* Bonnevie, 1899
- *[Halecium jaederholmi](/source/Halecium_jaederholmi)* Vervoort, 1972
- *[Halecium kofoidi](/source/Halecium_kofoidi)* Torrey, 1902
- *[Halecium labiatum](/source/Halecium_labiatum)* Billard, 1933
- *[Halecium labrosum](/source/Halecium_labrosum)* Alder, 1859
- *[Halecium laeve](/source/Halecium_laeve)* Kramp, 1932
- *[Halecium lamourouxianum](/source/Halecium_lamourouxianum)* (d'Orbigny, 1842)
- *[Halecium lankesterii](/source/Halecium_lankesterii)* (Bourne, 1890)
- *[Halecium lenticulare](/source/Halecium_lenticulare)* Trebilcock, 1928
- *[Halecium lightbourni](/source/Halecium_lightbourni)* Calder, 1991
- *[Halecium linkoi](/source/Halecium_linkoi)* Antsulevich, 1980
- *[Halecium liouvillei](/source/Halecium_liouvillei)* Billard, 1934
- *[Halecium lucium](/source/Halecium_lucium)* Antsulevich, 1979
- *[Halecium luteum](/source/Halecium_luteum)* Watson, 1975
- *[Halecium macrocaulus](/source/Halecium_macrocaulus)* Watson, 2008
- *[Halecium macrocephalum](/source/Halecium_macrocephalum)* Allman, 1877
- *[Halecium marsupiale Bergh,](/source/Halecium_marsupiale_Bergh,)* 1887
- *[Halecium maximum](/source/Halecium_maximum)* Galea & Schories, 2014
- *[Halecium mediterraneum](/source/Halecium_mediterraneum)* Weismann, 1883
- *[Halecium minutum](/source/Halecium_minutum)* Broch, 1903
- *[Halecium mirabile](/source/Halecium_mirabile)* Schydlowsky, 1902
- *[Halecium mirandus](/source/Halecium_mirandus)* Antsulevich & Regel, 1986
- *[Halecium modestum](/source/Halecium_modestum)* Galea & Schories, 2014
- *[Halecium muricatum](/source/Halecium_muricatum)* (Ellis & Solander, 1786)
- *[Halecium mutilum](/source/Halecium_mutilum)* Allman, 1876
- *[Halecium nanum](/source/Halecium_nanum)* Alder, 1859
- *[Halecium nullinodum](/source/Halecium_nullinodum)* Fraser, 1935
- *[Halecium obovatum](/source/Halecium_obovatum)* Watson, 2018
- *[Halecium ochotense](/source/Halecium_ochotense)* Linko, 1911
- *[Halecium ornatum](/source/Halecium_ornatum)* Nutting, 1901
- *[Halecium ovatum](/source/Halecium_ovatum)* Totton, 1930
- *[Halecium pallens](/source/Halecium_pallens)* Jäderholm, 1904
- *[Halecium paucinodum](/source/Halecium_paucinodum)* (Fraser, 1947)
- *[Halecium pearsonenese](/source/Halecium_pearsonenese)* Watson, 1997
- *[Halecium perexiguum](/source/Halecium_perexiguum)* Hirohito, 1995
- *[Halecium permodicum](/source/Halecium_permodicum)* Calder, 2017
- *[Halecium petrosum](/source/Halecium_petrosum)* Stechow, 1919
- *[Halecium planum](/source/Halecium_planum)* Bonnevie, 1901
- *[Halecium platythecum](/source/Halecium_platythecum)* Galea, Försterra & Häussermann, 2014
- *[Halecium plicatocarpum](/source/Halecium_plicatocarpum)* Vervoort & Watson, 2003
- *[Halecium plicatum](/source/Halecium_plicatum)* Galea, 2015
- *[Halecium plumosum](/source/Halecium_plumosum)* Hincks, 1868
- *[Halecium praeparvum](/source/Halecium_praeparvum)* Calder, 2017
- *[Halecium profundum](/source/Halecium_profundum)* Calder & Vervoort, 1998
- *[Halecium pseudodelicatulum](/source/Halecium_pseudodelicatulum)* Peña Cantero, 2014
- *[Halecium pseudoincertus](/source/Halecium_pseudoincertus)* Peña Cantero, 2014
- *[Halecium pusillum](/source/Halecium_pusillum)* (Sars, 1857)
- *[Halecium pyriform](/source/Halecium_pyriform)* Hirohito, 1995
- *[Halecium ralpha](/source/Halecium_ralpha)* Watson & Vervoort, 2001
- *[Halecium reduplicatum](/source/Halecium_reduplicatum)* (Fraser, 1935)
- *[Halecium regulare](/source/Halecium_regulare)* Fraser, 1938
- *[Halecium reversum](/source/Halecium_reversum)* Nutting, 1901
- *[Halecium scalariformis](/source/Halecium_scalariformis)* Billard, 1929
- *[Halecium scandens](/source/Halecium_scandens)* Nutting, 1906
- *[Halecium scutum](/source/Halecium_scutum)* Clark, 1977
- *[Halecium secundum](/source/Halecium_secundum)* Jäderholm, 1904
- *[Halecium sessile](/source/Halecium_sessile)* Norman, 1867
- *[Halecium sibogae](/source/Halecium_sibogae)* Billard, 1929
- *[Halecium singulare](/source/Halecium_singulare)* (Billard, 1929)
- *[Halecium spatulum](/source/Halecium_spatulum)* Watson, 2000
- *[Halecium speciosum](/source/Halecium_speciosum)* Nutting, 1901
- *[Halecium stoloniferum](/source/Halecium_stoloniferum)* Soto Angel & Peña Cantero, 2015
- *[Halecium tabulatum](/source/Halecium_tabulatum)* Watson, 2005
- *[Halecium tangaroa](/source/Halecium_tangaroa)* Peña Cantero, 2017
- *[Halecium telescopicum](/source/Halecium_telescopicum)* Allman, 1888
- *[Halecium tenellum](/source/Halecium_tenellum)* Hincks, 1861
- *[Halecium tensum](/source/Halecium_tensum)* Fraser, 1941
- *[Halecium tenue](/source/Halecium_tenue)* Fraser, 1938
- *[Halecium textum](/source/Halecium_textum)* Kramp, 1911
- *[Halecium tortile](/source/Halecium_tortile)* Bonnevie, 1898
- *[Halecium tortum](/source/Halecium_tortum)* Fraser, 1938
- *[Halecium tristaniensis](/source/Halecium_tristaniensis)* Galea, 2014
- *[Halecium tubatum](/source/Halecium_tubatum)* Watson, 2008
- *[Halecium undulatum](/source/Halecium_undulatum)* Billard, 1921
- *[Halecium vagans](/source/Halecium_vagans)* Fraser, 1938
- *[Halecium vasiforme](/source/Halecium_vasiforme)* Fraser, 1935
- *[Halecium wilsoni](/source/Halecium_wilsoni)* Calkins, 1899
- *[Halecium xanthellatum](/source/Halecium_xanthellatum)* Galea, 2013

## References

1. Schuchert, Peter (February 2005). "Taxonomic revision and systematic notes on some species (Cnidaria, Hydrozoa)". *[Journal of Natural History](/source/Journal_of_Natural_History)*. **39** (8): 607–639. [CiteSeerX 10.1.1.553.2886](https://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.553.2886). [doi:10.1080/00222930400001319](https://doi.org/10.1080/00222930400001319)

1. Peter Schuchert (2024). "*Halecium* Oken, 1815". 117103. Retrieved 20 April 2024.

---
Adapted from the Wikipedia article [Halecium](https://en.wikipedia.org/wiki/Halecium) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Halecium?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.