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Hydrozoa
World Hydrozoa Database
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Hydrozoa (hydroids)
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Eudendrium arbuscula Hincks, 1868
Eudendrium annulatum Norman, 1864
Dynamena pumila (Linnaeus, 1758) on Fucus
Diphasia rosacea (Linnaeus, 1758)
Diphasia nigra (Pallas, 1766)
Dipahsia margareta
Diphasia fallax
Diphasia alata
Clytia hemisphaerica
Antennella secundaria
Antennella secundaria
Amphisbetia operculata
Aglaophenia kirchenpaueria
Aglaophenia tubulifera; British Isles
Aglaophenia pluma
Abietinaria filicula
Abietinaria abietina
Corymorpha nutans polyp
Gymnangium hians; northern Sulawesi; photographer and copyright...
Aglaophenia cupressina; North Sulawesi; photographed and copyright...
Plumularia spiralis; North Sulawesi; photographer and copyright...
Euphysa aurata medusae; Scotland, height about 1-2 mm
Craspedacusta sowerbii, polyps, Lac Leman, Switzerland; copyright...
Fabienna sphaerica, adult; copyright P. Schuchert
Podocoryna martinicana
Podocoryna martinicana
Stauridiosarsia cliffordi polyps from Friday Harbor WA; copyright:...
Rhysia fletcheri from Friday Harbor, copyright P. Schuchert
Podocoryna exigua (Haeckel, 1879)
Hydractinia aculeata (Wagner, 1833) from Mallorca, copyright P....
Schematic organisation of the Porpitidae, from Schuchert (2010)
Millepora alcicornis, source Wikipedia
Staurocladia vallentini; Magellan Region, size 3 mm
Staurocladia charcoti, King George Island,Antarctica; ca 8 mm; ©...
Polyorchis penicillatus (Eschscholtz, 1829)
Family Rhizophysidae
Family Physaliidae: Genus Physalia
Family Sphaeronectidae
Family Prayidae
Family Hippopodiidae: typical representative
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