from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A taxonomic class within the phylum Cnidaria — the box jellyfish.
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Named for their box or cube-shaped body, these animals are members of Cubozoa, the smallest class of Cnidaria, animals ranging from sea anemones and corals to Portuguese man of war and true jellyfish, all of which possess stinging capsules known as nematocysts.
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