Scientific Name	English Name	Distribution	Max. Length (cm)	Year
Sertularella formosa				1881
Sertularella fuegonensis		Southeast Pacific		2011
Sertularella fusiformis		Southwest Pacific		1861
Sertularella fusoides		Southwest Pacific		1926
Sertularella gaudichaudi		Southwest Pacific		1824
Sertularella gayi		Atlantic Ocean		1821
Sertularella geodiae		Western Central Pacific		1930
Sertularella gigantea		Western Atlantic		1878
Sertularella goliathus		Western Atlantic		1923
Sertularella helenae		Western Central Pacific		1993
Sertularella humilis		Western Central Atlantic.		1943
Sertularella implexa		Western Central Atlantic.		1888
Sertularella inabai		Western Central Atlantic.		1913
Sertularella inconstans		Western Central Atlantic.		1919
Sertularella integra		Southwest Pacific		1876
Sertularella intricata		Western Central Pacific		1919
Sertularella japonica		Western Central Pacific		1926
Sertularella jorgensis		Southeast Pacific		2011
Sertularella keiensis		Southeast Pacific		1925
Sertularella lagena		Antarctic Indian Ocean		1876
Sertularella leiocarpa		Western Central Pacific		1888
Sertularella leiocarpoides		Western Central Pacific		1993
Sertularella levigata		Western Central Pacific		1931
Sertularella magna		Western Central Pacific		1904
Sertularella mediterranea		Western Central Pacific		1901
Sertularella megastoma		Western Central Atlantic.		1904
Sertularella megista		Western Central Atlantic.		1923
Sertularella microtheca		Western Central Atlantic.		1974
Sertularella minuscula		Western Central Atlantic.		1925
Sertularella mirabilis		Western Central Atlantic.		1896
Sertularella miurensis		Western Central Atlantic.		1921
Sertularella moluccana		Southwest Atlantic		1896
Sertularella mutsuensis		Southwest Atlantic		1931
Sertularella natalensis		Southwest Atlantic		1968
Sertularella novaecaledoniae		Western Central Pacific		1993
Sertularella nuttingi		Western Central Pacific		1914
Sertularella ornata		Western Central Pacific		1933
Sertularella paessleri		Western Central Pacific		1901
Sertularella parvula		Western Central Atlantic		1965
Sertularella paucicostata		Western Central Pacific		1993
Sertularella peculiaris		Western Central Atlantic		1974
Sertularella pedrensis		Western Central Atlantic		1904
Sertularella perculiaris		Western Central Atlantic		1974
Sertularella picta		Western Central Atlantic		1834
Sertularella pinnata		Western Central Atlantic		1876
Sertularella pinnigera		Western Central Atlantic
Sertularella polyzonias	Great tooth hydroid	Arctic, Atlantic Ocean, P		1758
Sertularella producta		Arctic, Atlantic Ocean, P		1888
Sertularella pseudocostata		Western Central Pacific		1993
Sertularella pulchra		Western Central Pacific		1923
Sertularella quadrata		Western Central Atlantic.		1895
Sertularella quadridens		Western Pacific and India		1884
Sertularella quadrifida		Western Pacific and India		1901
Sertularella quinquelaminata		Western Pacific and India		1931
Sertularella ramosa		Western Pacific and India		1879
Sertularella reticulata		Western Pacific and India
Sertularella richardsoni		Western Pacific and India		1961
Sertularella robusta		Pacific Ocean		1876
Sertularella robustoides		Pacific Ocean		1915
Sertularella rugosa	Snail trefoil hydroid	Arctic, Northern Pacific		1758
Sertularella sagamina		Arctic, Northern Pacific		1921
Sertularella similis		Arctic, Northern Pacific		1948
Sertularella simplex		Southwest Pacific		1873
Sertularella sinensis		Western Central Pacific		1896
Sertularella sinuosa		Western Central Pacific		1948
Sertularella solitaria		Western Central Pacific		1904
Sertularella spinosa		Western Central Pacific		1884
Sertularella spirifera		Western Central Pacific		1931
Sertularella stolonifera		Western Central Pacific		2003
Sertularella striata		Western Central Pacific		1923
Sertularella tanneri		Eastern Pacific		1904
Sertularella tasmanica		Eastern Pacific		1915
Sertularella tenella		Atlantic, Pacific and Arc		1856
Sertularella thecocarpa		Atlantic, Pacific and Arc		1922
Sertularella tilesii		Atlantic, Pacific and Arc		1884
Sertularella tricuspidata		Northeast Pacific and Nor
Sertularella tridentata		Northeast Pacific and Nor		1816
Sertularella turgida	Turgid garland hydroid	Northeast Pacific.
Sertularella undulitheca		Northeast Pacific.		1959
Sertularella unituba		Northeast Pacific.		1991
Sertularella uruguayensis		Northeast Pacific.		1973
Sertularella valdiviae		Northeast Pacific.		1923
Sertularella wallacei		Northeast Pacific.		1926
Sertularella whitei		Northeast Pacific.		1987
Sertularella xantha		Northeast Pacific.		1923
Sertularella zenkevitchi		Northeast Pacific.		1960
Sertularia albimaris		Northeast Atlantic		1878
Sertularia argentea	Squirrel's tail hydroid	Arctic, Northern Atlantic		1758
Sertularia australis		Arctic, Northern Atlantic		1864
Sertularia bidentata		Arctic, Northern Atlantic		1876
Sertularia borneensis		Arctic, Northern Atlantic		1925
Sertularia brashnikowi		Arctic, Northern Atlantic		1914
Sertularia brunnea		Arctic, Northern Atlantic		1923
Sertularia carolinensis		Western Atlantic		1872
Sertularia ceylonensis		Western Atlantic		1921
Sertularia conferta		Western Atlantic		1864
Sertularia converrucosa		Western Atlantic		1960
Sertularia cuperssina		Northeast Atlantic		1758
Sertularia cupressina	Sea cypress hydroid	Northern Atlantic and the		1758
Sertularia cupressoides		Northeast Atlantic		1876
Sertularia dalli		Atlantic and Pacific Ocea		1904
Sertularia dalmasi		Atlantic and Pacific Ocea		1877
Sertularia desmoides		Atlantic and Pacific Ocea		1902
Sertularia distans		Atlantic and Pacific Ocea		1816
Sertularia drachi		Atlantic and Pacific Ocea		1949
Sertularia elegans		Eastern Pacific		1884
Sertularia fabricii		Atlantic, Pacific and Arc		1893
Sertularia flexilis		Atlantic, Pacific and Arc		1879
Sertularia frigida		Atlantic, Pacific and Arc		1921
Sertularia furcata		Atlantic, Pacific and Arc		1857
Sertularia gracillima		Atlantic, Pacific and Arc		1926
Sertularia hattorii		Atlantic, Pacific and Arc		1940
Sertularia heteroclada		Atlantic, Pacific and Arc		1902
Sertularia humilis		Atlantic, Pacific and Arc		1879
Sertularia intermedia		Atlantic, Pacific and Arc		1913
Sertularia latiuscula		Western Atlantic		1854
Sertularia ligulata		Indo-Pacific and Western		1904
Sertularia linkoi		Indo-Pacific and Western		1914
Sertularia littoralis		Indo-Pacific and Western		1900
Sertularia loculosa		Southwest Atlantic		1852
Sertularia maccallumi		Southwest Atlantic		1907
Sertularia malayensis		Eastern Central Pacific		1925
Sertularia marginata		Southwest Atlantic		1864
Sertularia mediterranea		Southwest Atlantic		1890
Sertularia mirabilis		Arctic, Northern Atlantic		1872
Sertularia nana		Arctic, Northern Atlantic
Sertularia notabilis		Southwest Atlantic		1947
Sertularia nuttingi		Southwest Atlantic		1913
Sertularia operculata		Southwest Pacific		1758
Sertularia orthogonalis		Southwest Pacific		1989
Sertularia perpusilla		Southwest Atlantic		1911
Sertularia plumosa		Eastern Pacific, Northwes		1876
Sertularia plumulifera		Western Atlantic		1877
Sertularia pumila		Western Atlantic
Sertularia robusta		Atlantic, Pacific and Arc		1876
Sertularia rugosissima		Eastern Central Pacific a		1904
Sertularia schmidti		Atlantic and Arctic Ocean		1914
Sertularia secunda		Atlantic and Arctic Ocean		1868
Sertularia similis		Atlantic, Pacific and Arc		1876
Sertularia simplex		Atlantic, Pacific and Arc		1938
Sertularia stabilis		Atlantic, Pacific and Arc		1942
Sertularia staurotheca		Atlantic, Pacific and Arc		1960
Sertularia stechowi		Atlantic, Pacific and Arc		1995
Sertularia stookeyi		Western Central Atlantic
Sertularia tatarica		Western Central Atlantic		1913
Sertularia tenera		Arctic, Atlantic and Paci		1874
Sertularia tenuis		Arctic, Atlantic and Paci		1884
Sertularia tolli		Arctic, Atlantic and Paci		1908
Sertularia tongensis		Eastern Central Pacific		1919
Sertularia trigonostoma		Eastern Central Pacific		1852
Sertularia tumida		Eastern Central Pacific		1877
Sertularia turbinata		Eastern Central Pacific a		1816
Sertularia unguiculata		Southwest Pacific		1852
Sertularia variabilis		Southwest Pacific
Sertularia vervoorti		Southwest Atlantic		1998
Sertularia westindica		Southwest Atlantic
Staurotheca abyssalis		Antarctic Atlantic	7.5 H	2003
Staurotheca affinis		Antarctic Atlantic		1904
Staurotheca amphorophora		Antarctic Atlantic	38 H	1962
Staurotheca antarctica		Circum-Antarctic.	3 WD	1904
Staurotheca australis		Antarctic Atlantic		1997
Staurotheca compressa		Circum-Antarctic.	13 COLD	1938
Staurotheca cornuta		Antarctic Atlantic	9 COLD	1999
Staurotheca densa		Circum-Antarctic.	7 COLD	2003
Staurotheca dichotoma		Western Indian Ocean and	6 COLD	1888
Staurotheca echinocarpa		Antarctic Indian Ocean		1888
Staurotheca frigida		Antarctic.	9 COLD	1997
Staurotheca glomulosa		Antarctic	6 COLD	1997
Staurotheca jaederholmi		Southwest Atlantic, South	12 H	1920
Staurotheca juncea		Antarctic Atlantic		1910
Staurotheca multifurcata		Antarctic Atlantic	48 H	1999
Staurotheca nonscripta		Antarctic-Patagonian.	9 COLD	1997
Staurotheca pachyclada		Antarctic	16 H	1904
Staurotheca plana		Antarctic Atlantic		1997
Staurotheca polarsterni		Antarctic.		1997
Staurotheca profunda		Antarctic Atlantic		2003
Staurotheca stolonifera		Western Antarctic.		1904
Staurotheca undosiparietina		Antarctic Atlantic	32 H	1979
Staurotheca urceolifera		Antarctic Indian Ocean		1884
Staurotheca vanhoeffeni		Circum-Antarctic.		1994
Staurotheca vervoorti		Southwest and Antarctic A	15 DL	1991
Stereotheca elongata		Southwest Pacific		1816
Symplectoscyphus aggregatus		Antarctic Atlantic		1917
Symplectoscyphus amoenus		Antarctic Atlantic		2003
Symplectoscyphus amphoriferus		Western Atlantic		1877
Symplectoscyphus anae		Western Atlantic		2002
Symplectoscyphus annae		Circum-Antarctic.	4.5 H	2002
Symplectoscyphus arboriformis		Circum-Antarctic.		1890
Symplectoscyphus bathyalis		Western Central Pacific a		1972
Symplectoscyphus bathypacificus		Western Central Pacific		1993
Symplectoscyphus candelabrum		Western Central Pacific		2003
Symplectoscyphus columnarius		Southwest Pacific		1914
Symplectoscyphus commensalis		Western Central Pacific		1993
Symplectoscyphus confusus		Western Central Pacific		1930
Symplectoscyphus constrictus		Western Central Pacific		1930
Symplectoscyphus cumberlandicus		Circum-Antarctic.	5 H	1905
Symplectoscyphus curvatus		Circum-Antarctic.		1917
Symplectoscyphus dentiferus		Circum-Antarctic.		1902
Symplectoscyphus divaricatus		Circum-Antarctic.		1852
Symplectoscyphus effusus		Western Central Pacific		1993
Symplectoscyphus elegans		Eastern Pacific		1904
Symplectoscyphus epizoicus		Eastern Pacific		1973
Symplectoscyphus epizooticus		Eastern Pacific		1930
Symplectoscyphus erectus		Eastern Pacific		1938
Symplectoscyphus exochus		Antarctic	6 WD	1982
Symplectoscyphus exsertus		Antarctic		1888
Symplectoscyphus filiformis	Filigree hydroid	Southeast Pacific		1888
Symplectoscyphus frigidus		Western Antarctic.		2002
Symplectoscyphus fuscus		Western Antarctic.		1928
Symplectoscyphus glacialis		Antarctic.	5 WD	1904
Symplectoscyphus hero		Antarctic Atlantic		1977
Symplectoscyphus howensis		Antarctic Atlantic		2003
Symplectoscyphus hozawai		Antarctic Atlantic		1931
Symplectoscyphus hydrallmaniaeformis		Antarctic Atlantic		1914
Symplectoscyphus incisus		Antarctic Atlantic		1938
Symplectoscyphus indivisus		Southwest Pacific		1881
Symplectoscyphus infractus		Southwest Pacific		1884
Symplectoscyphus interruptus		Southwest Pacific		1889
Symplectoscyphus irregularis		Southwest Pacific		1928
Symplectoscyphus johnstoni		Western Pacific		1843
Symplectoscyphus laevis		Western Pacific		1882
Symplectoscyphus levinseni		Eastern Pacific		1904
Symplectoscyphus liouvillei		Western Antarctic-Patagon		1914
Symplectoscyphus macrocarpa		Western Antarctic-Patagon		1918
Symplectoscyphus macrogonus		Western Antarctic-Patagon		1928
Symplectoscyphus macroscyphus		Western Antarctic-Patagon		2003
Symplectoscyphus magellanicus	Zip hydroid	Southwest Atlantic, South		1890
Symplectoscyphus margaritaceus		Southwest Atlantic, South		1885
Symplectoscyphus marionensis		Southwest Atlantic, South		1971
Symplectoscyphus millardi		Southwest Atlantic, South		1979
Symplectoscyphus minutus		Southwest Atlantic, South		1904
Symplectoscyphus multinodus		Southwest Atlantic, South		1948
Symplectoscyphus naumovi		Circum-Antarctic.	2.5 H	1969
Symplectoscyphus neglectus		Circum-Antarctic.		1879
Symplectoscyphus nesioticus		Antarctic Atlantic	1.5 H	1977
Symplectoscyphus odontiferus		Antarctic Atlantic		2003
Symplectoscyphus pallidus		Antarctic Atlantic		1884
Symplectoscyphus paulensis		Southwest Pacific and Ant		1923
Symplectoscyphus pedrensis		Eastern Pacific		1904
Symplectoscyphus pedunculatus		Western Central Pacific		1919
Symplectoscyphus pinnatus		Northwest Atlantic, Pacif		1876
Symplectoscyphus pirsa		Eastern Indian Ocean		2018
Symplectoscyphus plectilis		Circum-Antarctic.	2.5 H	1907
Symplectoscyphus pluma		Circum-Antarctic.		1901
Symplectoscyphus procerus		Circum-Antarctic.		1928
Symplectoscyphus pseudocolumnarius		Western Central Pacific		1993
Symplectoscyphus pseudodivaricatus		Western Central Pacific		1961
Symplectoscyphus pulchellus		Western Central Pacific		1904
Symplectoscyphus pushi		Western Central Pacific		1979
Symplectoscyphus pygmaeus		Southwest Pacific		1882

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Family: Sertulariidae (See list of species below)

Family: Sertulariidae

(See list of species below)