noun
a class of marine invertebrates that includes the corals and sea anemones
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Actinozoa is a class of marine animals that includes corals, sea anemones, and jellyfish.
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I saw some cool actinozoa while snorkeling in the ocean.
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Check out those funky actinozoa in the reef!
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The actinozoa of the sea sway gracefully with the current, like dancers in a ballet.