A sedentary marine echinoderm that has a small body on a long jointed stalk, with featherlike arms to trap food.
- Class Crinoidea
- These include trilobites, clams, soft bodied and hard-bodied sponges, sea cucumbers, sea lilies, worms, snails, brachiopods, jellyfish, etc.
- Ambulatory relatives of the stalked sea lilies, feather stars use their arms to walk and to climb.
- A spectacular array of bottom dwellers such as sea lilies, brittle stars, sponges, and bivalves congregate on coral reefs at depths of up to 1,340 meters.
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