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There are 5 classes of cnidaria: anthozoa (corals and sea anemones), scyphozoa (swimming jellyfish), staurozoa (stalked jellyfish), cubozoa (box jellyfish), and hyrdozoa (hydroids and siphonophores).

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10y ago
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2w ago

The phylum Cnidaria includes classes such as Anthozoa (corals, sea anemones), Scyphozoa (jellyfish), Hydrozoa (hydroids, Portuguese man o' war), and Cubozoa (box jellyfish). These classes are characterized by their radially symmetrical bodies, specialized stinging cells called cnidocytes, and a simple nerve net.

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Q: What classes do the phylum cnidaria contain?
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