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135 Species in Family Haleciidae
Nominal species list for Haleciidae
Scientific Name Author English Name
Ophiodissa laxa Fraser, 1938
Ophiodissa mirabilis (Hincks, 1866)
Ophiodissa corrugata (Fraser, 1936)
Ophiodissa alternata Fraser, 1938
Nemalecium lighti (Hargitt, 1924)
Mitrocomium cirratum Haeckel, 1879
Mitrocomium medusiferum Torrey, 1902
Hydrodendron tottoni Rees & Vervoort, 1987
Hydrodendron violaceum Hirohito, 1995
Hydrodendron sympodiformis Millard & Bouillon, 1974
Hydrodendron mirabile (Hincks, 1866)
Hydrodendron negligens (Fraser, 1938)
Hydrodendron sibogae (Billard, 1929)
Hydrodendron gracilis (Fraser, 1914)
Hydrodendron laxum (Fraser, 1938)
Hydrodendron gracile (Fraser, 1914)
Hydrodendron gardineri (Jarvis, 1922)
Hydrodendron gorgonoide (Sars, 1874)
Hydrodendron dichotomum (Allman, 1888)
Hydrodendron expansum (Fraser, 1948)
Hydrodendron daidalum (Watson, 1969)
Hydrodendron corrugatum (Fraser, 1936)
Hydrodendron carchesium (Fraser, 1914)
Hydrodendron armatum (Stechow, 1924)
Hydrodendron blackburni (Watson, 1973)
Hydrodendron arboreum (Allman, 1888)
Hydrodendron alternatum (Fraser, 1938)
Hemitheca intermedia Hilgendorf, 1898
Halecium wilsoni Calkins, 1899
Halecium washingtoni Nutting, 1899
Halecium vasiforme Fraser, 1935
Halecium vagans Fraser, 1938
Halecium undulatum Billard, 1921
Halecium textum Kramp, 1911
Halecium tortum Fraser, 1938
Halecium tensum Fraser, 1941
Halecium tenue Fraser, 1938
Halecium tenellum Hincks, 1861
Halecium telescopicum Allman, 1888
Halecium speciosum Nutting, 1901
Halecium spatulum Watson, 2000
Halecium sibogae Billard, 1929
Halecium sessile Norman, 1867
Halecium secundum Jäderholm, 1904
Halecium robustum Nutting, 1901
Halecium schneideri Bonnevie, 1898
Halecium scutum Clark, 1877
Halecium repens Jäderholm, 1907
Halecium reversum Nutting, 1901
Halecium reflexum Stechow, 1919
Halecium regulare Fraser, 1938
Halecium reduplicatum (Fraser, 1935)
Halecium pyriforme Hirohito, 1995
Halecium ralpha Watson & Vervoort, 2001
Halecium profundum Calder & Vervoort, 1998
Halecium pusillum Sars, 1850
Halecium pygmaeum Fraser, 1911
Halecium plicatocarpum Vervoort & Watson, 2003
Halecium plumosum Hincks, 1868
Halecium perexiguum Hirohito, 1995
Halecium petrosum Stechow, 1919
Halecium paucinodum (Fraser, 1947)
Halecium pallens Jäderholm, 1904
Halecium ovatum Totton, 1930
Halecium ochotense Linko, 1911
Halecium ornatum Nutting, 1901
Halecium obovatum Watson, 2018
Halecium mutilum Allman, 1876
Halecium nanum Alder, 1859
Halecium mirandus Antsulevich & Regel, 1986
Halecium muricatum (Ellis & Solander, 1786) Sea hedgehog hydroid
Halecium minor Fraser, 1935
Halecium minutum Broch, 1903
Halecium marsupiale Bergh, 1887
Halecium macrocephalum Allman, 1877
Halecium lucium Antsulevich, 1979
Halecium luteum Watson, 1975
Halecium liouvillei Billard, 1934
Halecium linkoi Antsulevich, 1980
Halecium lightbourni Calder, 1991
Halecium lenticulare Trebilcock, 1928
Halecium lankesteri (Bourne, 1890)
Halecium laeve Kramp, 1932
Halecium labiatum Billard, 1933
Halecium labrosum Alder, 1859
Halecium kofoidi Torrey, 1902
Halecium interpolatum Ritchie, 1907
Halecium jaederholmi Vervoort, 1972
Halecium inhacae Millard, 1958
Halecium insolens Fraser, 1938
Halecium humile Pictet, 1893
Halecium incertus Naumov & Stepan'yants, 1962
Halecium halecinum (Linnaeus, 1758) Herringbone hydroid
Halecium fraseri Ralph, 1958
Halecium fruticosum Fraser, 1943
Halecium galeatum Billard, 1937
Halecium groenlandicum Kramp, 1911
Halecium fragile Hodgson, 1950
Halecium flexum Fraser, 1938
Halecium flabellatum Fraser, 1935
Halecium fjordlandicum Galea, 2007 Fjord sapling
Halecium fasciculatum Fraser, 1938
Halecium filicula Allman, 1877
Halecium expansum Trebilcock, 1928
Halecium exiguum Fraser, 1938
Halecium dysymmetrum Billard, 1929
Halecium dyssymetrum Billard, 1929
Halecium dubium Fraser, 1941
Halecium diminutivum Fraser, 1940
Halecium densum Calkins, 1899 Dense bushy hydroid
Halecium dichotomum Allman, 1888
Halecium delicatulum Coughtrey, 1876 Delicate hydroid
Halecium cymiforme Allman, 1888
Halecium cymosum Fraser, 1935
Halecium curvicaule von Lorenz, 1886
Halecium crinis Stechow, 1913
Halecium corrugatissimum Trebilcock, 1928
Halecium corrugatum Nutting, 1899
Halecium capillare (Pourtales, 1907)
Halecium conicum Stechow, 1919
Halecium brashnikowi Linko, 1911
Halecium bruniensis Watson, 1975
Halecium birulai Spassky, 1929
Halecium bermudense Congdon, 1907
Halecium articulosum Clark, 1875
Halecium banyulense Motz-Kossowska, 1911
Halecium beanii (Johnston, 1838) Thornbush hydroid
Halecium beringi unspecified
Halecium arcticum Ronowicz & Schuchert, 2007
Halecium antarcticum Vanhöffen, 1910
Halecium amphibolum Watson, 1993
Halecium annulatum Torrey, 1902
Endothecium reduplicatum Fraser, 1935
Endothecium paucinodum Fraser, 1947
Campalecium medusiferum Torrey, 1902
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