List of echinoderms of Sri Lanka

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Wildlife of Sri Lanka
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Sri Lanka is a tropical island situated close to the southern tip of India. The invertebrate fauna is as large as it is common to other regions of the world. So it is complicated to summarize the exact number of species found within the country.

Echinoderms belong to the phylum Echinodermata. They are deuterostomes that are closely related to chordates. Echinoderms are characterized by having a water vascular system, tube feet, radial symmetry, and undergo complete regeneration from a single limb. It is the largest phylum that has no freshwater or terrestrial members. There are five classes of echinoderms: Asteroidea (starfish), Ophiuroidea (brittle star), Echinoidea (sea urchin), Crinoidea (sea lily) and Holothuroidea (sea cucumber).

The following list provides echinoderms currently identified in Sri Lankan waters.