- Types:
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Chrysaora, genus Chrysaora
a genus of Scyphozoa
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genus Hydra
hydras
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genus Nanomia
a genus of Siphonophora
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Physalia, genus Physalia
Portuguese man-of-war
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Sertularia, genus Sertularia
sessile hydroid that forms feathery colonies
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Actinia, genus Actinia
a genus of sea anemone common in rock pools
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Pennatula, genus Pennatula
type genus of the family Pennatulidae: sea pens
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Maeandra, genus Maeandra
brain corals
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Acropora, genus Acropora
coelenterate genus of order Madreporaria, including staghorn corals
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Fungia, genus Fungia
a genus comprising the usual mushroom corals
