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Spiny skinned animals or Echinoderms (echino=spiny derma=skin) belong to the 9th Phyla of the kingdom animalia-Echinodermata.

These animals have fairly developed bodies and have an organ level of organisation, that is, they have organs.

Some common examples of these are-

Sea Urchin (Echinus)

Sea cucumbers (Holothuria)

Feather Stars (Antedon)

Star fishes (Asteria)

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12y ago

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