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Sea anemones are a group of water-dwelling, predatory
animals of the order
Actiniaria. They are named for the anemone
, a terrestrial flower
. Sea anemones are classified in the phylum Cnidaria
, class Anthozoa, subclass Zoantharia. Anthozoa often have large polyps
that allow for digestion of larger prey and also lack a medusa
stage. As cnidarians
, sea anemones are related to corals
, jellyfish
, tube-dwelling anemones
, and Hydra.
