Anthozoa
![Anthozoa](/media/images/anthozoa.2e16d0ba.fill-500x500.format-jpeg.jpg)
Anthozoa is a class of marine invertebrates which includes sea anemones, stony corals and soft corals.
They are exclusively polypoid with biradial symmetry.
Anthozoans can secrete a nonliving substance around the outside of the body to support and protect their soft body tissues.
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