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WoRMS taxon details

Halecium Oken, 1815

Family Haleciidae, colony form, typical, short hydrothecae and polyp
Family Haleciidae, colony form, typical, short hydrothecae and polyp

117103  (urn:lsid:marinespecies.org:taxname:117103)

  1. Biota
  2. Animalia (Kingdom)
  3. Cnidaria (Phylum)
  4. Medusozoa (Subphylum)
  5. Hydrozoa (Class)
  6. Hydroidolina (Subclass)
  7. Leptothecata (Order)
  8. Haleciidae (Family)
  9. Halecium (Genus)
accepted
Genus
Baleum Billard, 1929 · unaccepted
Endothecium Fraser, 1935 · unaccepted (preoccupied by Endothecium...)  
preoccupied by Endothecium Koker,1924 [Anthozoa]
Haloikema Bourne, 1890 · unaccepted (synonym)
Thoa Lamouroux, 1816 · unaccepted (synonym)

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  1. Species Halecium amphibolum Watson, 1993
  2. Species Halecium annulatum Torrey, 1902
  3. Species Halecium annuliforme Galea & Schories, 2012
  4. Species Halecium antarcticum Vanhöffen, 1910
  5. Species Halecium arcticum Ronowicz & Schuchert, 2007
  6. Species Halecium argentum Clarke, 1894
  7. Species Halecium articulosum Clark, 1875
  8. Species Halecium banyulense Motz-Kossowska, 1912
  9. Species Halecium banzare Watson, 2008
  10. Species Halecium beanii (Johnston, 1838)
  11. Species Halecium bermudense Congdon, 1907
  12. Species Halecium birulai Spassky, 1929
  13. Species Halecium bithecum Watson, 2005
  14. Species Halecium brashnikowi Linko, 1911
  15. Species Halecium brevithecum Watson, 2008
  16. Species Halecium bruniensis Watson, 1975
  17. Species Halecium calderi Galea, 2010
  18. Species Halecium conicum Stechow, 1919
  19. Species Halecium corrugatissimum Trebilcock, 1928
  20. Species Halecium corrugatum Nutting, 1899
  21. Species Halecium crinis Stechow, 1913
  22. Species Halecium curvicaule Lorenz, 1886
  23. Species Halecium cymiforme Allman, 1888
  24. Species Halecium cymosum Fraser, 1935
  25. Species Halecium delicatulum Coughtrey, 1876
  26. Species Halecium densum Calkins, 1899
  27. Species Halecium dichotomum Allman, 1888
  28. Species Halecium diminutivum Fraser, 1942
  29. Species Halecium discoidum Galea, 2013
  30. Species Halecium dubium Fraser, 1941
  31. Species Halecium dufresnae Millard, 1977
  32. Species Halecium dyssymetrum Billard, 1929
  33. Species Halecium edwardsianum (d'Orbigny, 1842)
  34. Species Halecium elegantulum Watson, 2008
  35. Species Halecium erratum Galea, Försterra, Häussermann & Schories, 2014
  36. Species Halecium exaggeratum Peña Cantero, Boero & Piraino, 2013
  37. Species Halecium exiguum Fraser, 1948
  38. Species Halecium expansum Trebilcock, 1928
  39. Species Halecium fasciculatum Fraser, 1938
  40. Species Halecium fijiensis Watson, 2015
  41. Species Halecium filicula Allman, 1877
  42. Species Halecium fjordlandicum Galea, 2007
  43. Species Halecium flabellatum Fraser, 1935
  44. Species Halecium flexum Fraser, 1948
  45. Species Halecium fragile Hodgson, 1950
  46. Species Halecium fraseri Ralph, 1958
  47. Species Halecium frigidum Peña Cantero, 2010
  48. Species Halecium galeatum Billard, 1937
  49. Species Halecium groenlandicum Kramp, 1911
  50. Species Halecium halecinum (Linnaeus, 1758)
  51. Species Halecium harrimani Nutting, 1901
  52. Species Halecium humeriformis Galea & Schories, 2014
  53. Species Halecium humile Pictet, 1893
  54. Species Halecium incertus Naumov & Stepanjants, 1962
  55. Species Halecium inhacae Millard, 1958
  56. Species Halecium insolens Fraser, 1938
  57. Species Halecium interpolatum Ritchie, 1907
  58. Species Halecium irregulare Bonnevie, 1899
  59. Species Halecium jaederholmi Vervoort, 1972
  60. Species Halecium kofoidi Torrey, 1902
  61. Species Halecium labiatum Billard, 1933
  62. Species Halecium labrosum Alder, 1859
  63. Species Halecium laeve Kramp, 1932
  64. Species Halecium lamourouxianum (d'Orbigny, 1842)
  65. Species Halecium lankesterii (Bourne, 1890)
  66. Species Halecium lenticulare Trebilcock, 1928
  67. Species Halecium lightbourni Calder, 1991
  68. Species Halecium linkoi Antsulevich, 1980
  69. Species Halecium liouvillei Billard, 1934
  70. Species Halecium lucium Antsulevich, 1979
  71. Species Halecium luteum Watson, 1975
  72. Species Halecium macrocaulus Watson, 2008
  73. Species Halecium macrocephalum Allman, 1877
  74. Species Halecium marocanum Billard, 1934
  75. Species Halecium marsupiale Bergh, 1887
  76. Species Halecium maximum Galea & Schories, 2014
  77. Species Halecium mediterraneum Weismann, 1883
  78. Species Halecium minutum Broch, 1903
  79. Species Halecium mirabile Schydlowsky, 1902
  80. Species Halecium mirandus Antsulevich & Regel, 1986
  81. Species Halecium modestum Galea & Schories, 2014
  82. Species Halecium muricatum (Ellis & Solander, 1786)
  83. Species Halecium mutilum Allman, 1876
  84. Species Halecium nanum Alder, 1859
  85. Species Halecium nullinodum Fraser, 1935
  86. Species Halecium obovatum Watson, 2018
  87. Species Halecium ochotense Linko, 1911
  88. Species Halecium ornatum Nutting, 1901
  89. Species Halecium ovatum Totton, 1930
  90. Species Halecium pallens Jäderholm, 1904
  91. Species Halecium paucinodum (Fraser, 1947)
  92. Species Halecium pearsonenese Watson, 1997
  93. Species Halecium perexiguum Hirohito, 1995
  94. Species Halecium permodicum Calder, 2017
  95. Species Halecium petrosum Stechow, 1919
  96. Species Halecium planum Bonnevie, 1901
  97. Species Halecium platythecum Galea, Försterra & Häussermann, 2014
  98. Species Halecium plicatocarpum Vervoort & Watson, 2003
  99. Species Halecium plicatum Galea, 2015
  100. Species Halecium plumosum Hincks, 1868
  101. Species Halecium praeparvum Calder, 2017
  102. Species Halecium profundum Calder & Vervoort, 1998
  103. Species Halecium pseudodelicatulum Peña Cantero, 2014
  104. Species Halecium pseudoincertus Peña Cantero, 2014
  105. Species Halecium pusillum (Sars, 1857)
  106. Species Halecium pyriforme Hirohito, 1995
  107. Species Halecium ralpha Watson & Vervoort, 2001
  108. Species Halecium reduplicatum (Fraser, 1935)
  109. Species Halecium regulare Fraser, 1938
  110. Species Halecium reversum Nutting, 1901
  111. Species Halecium scalariformis Billard, 1929
  112. Species Halecium scandens Nutting, 1906
  113. Species Halecium scutum Clark, 1977
  114. Species Halecium secundum Jäderholm, 1904
  115. Species Halecium sessile Norman, 1867
  116. Species Halecium sibogae Billard, 1929
  117. Species Halecium singulare (Billard, 1929)
  118. Species Halecium spatulum Watson, 2000
  119. Species Halecium speciosum Nutting, 1901
  120. Species Halecium stoloniferum Soto Angel & Peña Cantero, 2015
  121. Species Halecium tabulatum Watson, 2005
  122. Species Halecium tangaroa Peña Cantero, 2017
  123. Species Halecium telescopicum Allman, 1888
  124. Species Halecium tenellum Hincks, 1861
  125. Species Halecium tensum Fraser, 1941
  126. Species Halecium tenue Fraser, 1938
  127. Species Halecium textum Kramp, 1911
  128. Species Halecium tortile Bonnevie, 1898
  129. Species Halecium tortum Fraser, 1938
  130. Species Halecium tristaniensis Galea, 2014
  131. Species Halecium tubatum Watson, 2008
  132. Species Halecium turbinariae Galea & Maggioni, 2024
  133. Species Halecium vagans Fraser, 1938
  134. Species Halecium vasiforme Fraser, 1935
  135. Species Halecium wilsoni Calkins, 1899
  136. Species Halecium xanthellatum Galea, 2013
  137. Species Halecium annulatum Stechow, 1919 accepted as Halecium pusillum (Sars, 1857) (invalid junior homonym of Halecium annulatum Torrey, 1902)
  138. Species Halecium arboreum Allman, 1888 accepted as Hydrodendron arboreum (Allman, 1888) (basionym)
  139. Species Halecium beanei (Johnston, 1838) accepted as Halecium beanii (Johnston, 1838) (incorrect spelling)
  140. Species Halecium beringi Naumov, 1960 accepted as Halecium scutum Clark, 1977 (unaccepted > junior subjective synonym)
  141. Species Halecium boreale Lorenz, 1886 accepted as Halecium scutum Clark, 1977 (unaccepted > junior subjective synonym)
  142. Species Halecium flexile Allman, 1888 accepted as Halecium delicatulum Coughtrey, 1876 (possible synonym)
  143. Species Halecium gardineri Jarvis, 1922 accepted as Hydrodendron gardineri (Jarvis, 1922) (genus transfer)
  144. Species Halecium geniculatum Nutting, 1899 accepted as Halecium washingtoni Nutting, 1901 accepted as Halecium wilsoni Calkins, 1899 (invalid junior homonym of Halecium geniculatum Norman, 1867)
  145. Species Halecium geniculatum Norman, 1867 accepted as Halecium halecinum (Linnaeus, 1758) (synonym)
  146. Species Halecium gorgonoide G.O. Sars, 1874 accepted as Hydrodendron gorgonoide (G.O. Sars, 1874)
  147. Species Halecium gracile Verrill, 1873c accepted as Halecium halecinum (Linnaeus, 1758) (synonym)
  148. Species Halecium gracile Bale, 1893 accepted as Halecium delicatulum Coughtrey, 1876 (unaccepted > junior homonym, synonym and invalid junior homonym of Halecium gracile Verrill, 1874)
  149. Species Halecium halecium (Linnaeus, 1758) accepted as Halecium halecinum (Linnaeus, 1758) (misspelling)
  150. Species Halecium insigne (Hincks, 1861) accepted as Eudendrium ramosum (Linnaeus, 1758) (wrong genus combination)
  151. Species Halecium kuekenthali Marktanner-Turneretscher, 1895 accepted as Halecium curvicaule Lorenz, 1886 (unaccepted > junior subjective synonym)
  152. Species Halecium lankesteri (Bourne, 1890) accepted as Halecium lankesterii (Bourne, 1890) (unaccepted > misspelling - incorrect subsequent spelling)
  153. Species Halecium lighti Hargitt, 1924 accepted as Nemalecium lighti (Hargitt, 1924) (unaccepted > superseded combination, basionym)
  154. Species Halecium minor Fraser, 1935 accepted as Halecium permodicum Calder, 2017 (invalid junior homonym of Halecium minor Pictet, 1893)
  155. Species Halecium minutum Motz-Kossowska, 1911 accepted as Halecium conicum Stechow, 1919 (invalid junior homonym of Halecium minutum Broch, 1903)
  156. Species Halecium ophiodes Pieper, 1884 accepted as Halecium pusillum (Sars, 1857) (unaccepted > junior subjective synonym)
  157. Species Halecium parvulum Bale, 1888 accepted as Halecium delicatulum Coughtrey, 1876 (synonym)
  158. Species Halecium plumularioides Clark, 1877 accepted as Plumalecium plumularioides (Clark, 1877) (basionym)
  159. Species Halecium polytheca Linko, 1911 accepted as Halecium groenlandicum Kramp, 1911 (unaccepted > junior subjective synonym)
  160. Species Halecium pygmaeum Fraser, 1911 accepted as Halecium mirabile Schydlowsky, 1902 (unaccepted > junior subjective synonym)
  161. Species Halecium reflexum Stechow, 1919 accepted as Halecium conicum Stechow, 1919 (synoynm)
  162. Species Halecium repens Jäderholm, 1907 accepted as Halecium curvicaule Lorenz, 1886 (unaccepted > junior subjective synonym)
  163. Species Halecium robustum Nutting, 1901 accepted as Halecium harrimani Nutting, 1901 (invalid junior homonym of Halecium robustum Pieper, 1884 and Halecium robustum Allman, 1888)
  164. Species Halecium robustum Allman, 1888 accepted as Hydrodendron arboreum (Allman, 1888) (invalid junior homonym of Halecium robustum Verrill, 1873)
  165. Species Halecium robustum Verrill, 1873 accepted as Zygophylax pinnata (G.O. Sars, 1874) (synonym)
  166. Species Halecium robustum Pieper, 1884 accepted as Halecium lankesterii (Bourne, 1890) (invalid junior homonym of Halecium robustum Verrill, 1873 and others)
  167. Species Halecium schneideri Bonnevie, 1898 accepted as Halecium pusillum (Sars, 1857) (unaccepted > junior subjective synonym, synonym)
  168. Species Halecium simplex Pictet, 1893 accepted as Mitrocomium simplex (Pictet, 1893) (genus transfer)
  169. Species Halecium Torreyi Motz-Kossowska, 1911 accepted as Mitrocomium cirratum Haeckel, 1879 accepted as Lovenella cirrata (Haeckel, 1879) (possible synonym)
  170. Species Halecium undulatum Billard, 1921 accepted as Halecium textum Kramp, 1911 (unaccepted > junior subjective synonym, possible synonym, species inquirenda)
  171. Species Halecium washingtoni Nutting, 1901 accepted as Halecium wilsoni Calkins, 1899 (unaccepted > junior subjective synonym)
  172. Species Halecium capillaris (Pourtalès, 1867) (uncertain > taxon inquirendum)
  173. Species Halecium fruticosum Fraser, 1943 (uncertain > taxon inquirendum)
  174. Species Halecium minimum Schneider, 1898 (uncertain > taxon inquirendum, unrecognisable, indeterminate)
  175. Species Halecium minor Pictet, 1893 (uncertain > taxon inquirendum)
  176. Species Halecium patagonicum (d'Orbigny, 1842) (uncertain > taxon inquirendum)
  177. Species Halecium tehuelchum (d'Orbigny, 1842) (uncertain > taxon inquirendum)
marine, fresh, terrestrial
Oken, L. (1815-1816). Lehrbuch der Naturgeschichte. Dritter Theil: Zoologie. <em>Erste Abtheilung: Fleischlose Thiere,Leipzig: C.H. Reclam & Jena: A. Schmid, [book (3rd vol part one, of 3 vols, including plates atlas of T.1, 1813].</em> xxviii + 842 pp. + xviii, 40 pls. L [copepods 180-184, 357-359, 4 plates]., available online at https://doi.org/10.5962/bhl.title.166403 [details] OpenAccess publication
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2025). World Hydrozoa Database. Halecium Oken, 1815. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=117103 on 2025-04-04
Date
action
by
2004-12-21 15:54:05Z
created
van der Land, Jacob
2015-04-02 06:11:00Z
changed
Schuchert, Peter

Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


Nomenclature

original description Oken, L. (1815-1816). Lehrbuch der Naturgeschichte. Dritter Theil: Zoologie. <em>Erste Abtheilung: Fleischlose Thiere,Leipzig: C.H. Reclam & Jena: A. Schmid, [book (3rd vol part one, of 3 vols, including plates atlas of T.1, 1813].</em> xxviii + 842 pp. + xviii, 40 pls. L [copepods 180-184, 357-359, 4 plates]., available online at https://doi.org/10.5962/bhl.title.166403 [details] OpenAccess publication

original description (of Thoa Lamouroux, 1816) Lamouroux, J. V. F. (1816). Histoire des polypiers coralligènes flexibles, vulgairement nommés zoophytes. <em>F. Poisson, Caen.</em> i-lxxxiv, 1-558, pls. I-XIX., available online at https://www.biodiversitylibrary.org/page/11606092
page(s): 210 [details] OpenAccess publication

original description (of Baleum Billard, 1929) Billard, A., 1929. Note sur un genre nouveau et quelques espèces nouvelles d'Halecidae. Bull. Soc. zool. Fr. 54 : 305-307.
page(s): 305 [details] OpenAccess publication

original description (of Sagamihydra Hirohito, 1995) Hirohito, 1995. The hydroids of Sagami Bay. (Part 2. Thecata). Publs Biol. Lab., Imp. Household, Tokyo, 1995 : i-l, 1-244.
page(s): 41 [details] OpenAccess publication

original description (of Endothecium Fraser, 1935) Fraser, C.M. 1935a. Some Japanese hydroids, mostly new. Proceedings and transactions of the Royal Society of Canada (3)29 sect. V: 105-112, pl. 1-2.
page(s): 107 [details] OpenAccess publication

original description (of Haloikema Bourne, 1890) Bourne, G.C., 1890. Notes on the hydroids of Plymouth. J. mar. biol. Ass. U.K., n. ser. 1 4: 391-398., available online at https://www.biodiversitylibrary.org/page/11557347
page(s): 395 [details] OpenAccess publication

basis of record van der Land, J.; Vervoort, W.; Cairns, S.D.; Schuchert, P. (2001). Hydrozoa, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 112-120 (look up in IMIS) [details] 

Taxonomy

taxonomy source Calder, D. R. (2017). Additions to the hydroids (Cnidaria, Hydrozoa) of the Bay of Fundy, northeastern North America, with a checklist of species reported from the region. <em>Zootaxa.</em> 4256(1): 1-86., available online at https://doi.org/10.11646/zootaxa.4256.1.1
page(s): Table 3.; note: characteristics of all accepted species [details] 

status source Opinion 1220. (1982). Halecium Oken, 1815, (Coelenterata, Hydroida): ruled to be an available name & conserved. <em>Bulletin of Zoological Nomenclature.</em> 39(3): 172-174., available online at https://www.biodiversitylibrary.org/page/12228085
page(s): 172 [details] 

Other

context source (Hexacorallia) Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details] 

additional source Brunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. <em>Canadian Special Publication of Fisheries and Aquatic Sciences, 126.</em> 405 pp. (look up in IMIS) [details] Available for editors  PDF available [request]

additional source NODC. (1997). NODC Taxonomic codes. [details] 

additional source Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details] 

additional source Hansson, H. (2004). North East Atlantic Taxa (NEAT): Nematoda. Internet pdf Ed. Aug 1998. (look up in IMIS) [details] OpenAccess publication

additional source Liu, J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors  PDF available [request]

additional source Cairns, S.D., L. Gershwin, F.J. Brook, P. Pugh, E.W. Dawson, O.V. Ocaña, W. Vervoort, G. Williams, J.E. Watson, D.M. Opresko, P. Schuchert, P.M. Hine, D.P. Gordon, H.I. Campbell, A.J. Wright, J.A.Sánchez & D.G. Fautin. (2009). Phylum Cnidaria: corals, medusae, hydroids, myxozoans. <em>in: Gordon, D.P. (Ed.) (2009). New Zealand inventory of biodiversity: 1. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia.</em> :59-101., available online at https://repository.si.edu/handle/10088/8431 [details] Available for editors  PDF available [request]

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

From editor or global species database
Diagnosis 
Colony usually erect, monosiphonic or polysiphonic, branched or unbranched, arising from a creeping hydrorhiza, stem and branches divided in internodes bearing apohyses near distal end; hydrothecae alternate, sessile or pedicellate, borne on apophyses when not pedicellate, shallow; rim commonly everted and regenerated; a ring of large desmocytes and a basal diaphragm; hydranth not retractable into hydrotheca, often with an annular bugle half way up the gastric column; intertentacular web present or not; nematotheca and nematophores absent; gonophores as fixed sporosacs in gonothecae sometimes with acrocyst, gonothecae either solitary or aggregated to form a glomulus, usually sexually dimorphic, sometimes with gonophoral polyps or arising from within hydrothecae; typically sexually dimorphic. [details]
    Definitions

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LanguageName 
Japanese ホソガヤ属  [details]
To Biological Information System for Marine Life (BISMaL) 
To European Nucleotide Archive, ENA (Halecium) 
To Genbank 
To The Arctic Traits Database (0 traits) 
To ITIS
From editor or global species database
Family Haleciidae, colony form, typical, short hydrothecae and polyp
Family Haleciidae, colony form, typical, short hydrothecae and polyp
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