Phylum Cnidaria
Class Hydrozoa
Order Hydroida
Family Agalopheniidae
Gymnangium
Gymnangium
hians (Busk, 1852)
Lytocarpia
Lytocarpia
niger (Nutting, 1905)
Macrorhynchia
Macrorhynchia
philippina Kirchenpauer, 1872
Family Bougainvilliidae Lutken, 1850
Bougainvillia Lesson, 1830
Bougainvillia
fulva Agassiz & Mayer, 1899
Bougainvillia
muscus (Allman, 1863)
Bougainvillia
sp.
Garveia
Garveia sp.
Family Campanulariidae Johnston, 1837
Clytia Lamouroux, 1812
Clytia
hemisphaerica (Linnaeus, 1767)
Obelia Peron & Lesueus, 1810
Obelia
bidentata Clarke, 1875
Obelia
dichotoma (Linnaeus, 1758)
Obelia sp.
Family Campanulinidae
Cuspidella
Cuspidella sp.
Eutima McCrady, 1859
Eutima sp.
Family Cladonematidae Gegenbauer, 1857
Cladonema Daijardin, 1843
Cladonema
radiatum Dujardin, 1843
Family Clavidae McCrady
Cordylophora
Cordylophora
caspia (Pallas, 1771)
Rhizogeton
Rhizogeton sp.
Turritopsis
Turritopsis
nutricula McCrady, 1856
Family Corynidae Johnston, 1836
Sarsia Lesson, 1843
Sarsia tubulosa
(Sars, 1835)
Family Eleutheriidae Russell, 1953
Staurocladida Hartlaub, 1917
Staurocladida
acuminata (Edmondson, 1930)
Staurocladida
alternata (Edmondson, 1930)
Staurocladida
bilateralis (Edmondson, 1930)
Staurocladida
oahuensis (Edmondson, 1930)
Family Eudendriidae
Eudendrium
Eudendrium sp.
Family Haleciidae
Halecium
Halecium beani
(Johnston, 1838)
Halecium sp.
Family Halocordylidae
Pennaria
Pennaria
disticha (Goldfuss, 1820)
Family Moerisiidae
Moerisia
Moerisia horii
(Uchida & Uchida, 1929)
Family Olindiidae
Calapasoma
Calapasoma
dactyloptera
Craspedacusta
Craspedacusta
sowerbyi Lankester, 1880
Family Plumulariidae
Halopteris
Halopteris
diaphena (Heller, 1868)
Monotheca
Monotheca
margaretta (Nutting, 1905)
Plumularia
Plumularia
buski Bale
Plumularia
setacea (Linnaeus, 1758)
Plumularia sp.
Family Sertulariidae
Dynamena
Dynamena
cornicina McCrady, 1858
Dynamena
crisioides Lamouroux, 1824
Dynamena sp.
Sertularella
Sertularella
diaphana (Allman, 1885)
Sertularia
Sertularia
distans gracilis (Lamarck, 1816)
Sertularia
subtilis Fraser, 1937
Tridentata
Tridentata
turbinata (Lamouroux, 1816)
Family Solanderiidae
Rhopalonema
Rhopalonema typicum
Solanderia
Solanderia
minima (Hickson, 1903)
Solanderia
misakinenesis (Inuba, 1892)
Solanderia
secunda Inaba, 1892
Solmaris
Solmaris
insculpta
Solmaris
punctatus
Family Syntheciidae
Synthecium
Synthecium
megathecum (Billard, 1924)
Order Stylasterina
Family Stylasteriidae Gray, 1847
Distichopora
Distichopora
anceps (Cairns, 1978)
Distichopora
coccinea Gray
Distichopora
nitida Verrill
Distichopora
violacea (Pallas)
Stylaster
Stylaster
sanguineus Valeniennes, Milne Edwards & Haime
Order Siphonophora
Family Abylidae
Abyla
Abyla huxleyi
Family Agalmidae Brandt, 1835
Agalma
Agalma sp.
Family Diphyidae Eschscholtz, 1829
Diphyopsis
Diphyopsis
angustata
Family Physaliidae Brandt, 1835
Physalia
Physalia physalia
(Linnaeus, 1758)
Order Chondrophora
Family Porpitidae Brandt, 1835
Porpita
Porpita
pacifica Lesson, 1826
Family Velellidae Brandt, 1835
Velella
Velella velella
Linnaeus, 1758