Echinoida

Echinoida

Echinoida

Order of sea urchins

Echinoida is an order of sea urchins in the class Echinoidea. They are distinguished from other sea urchins by simultaneously possessing both an un-sculpted test and a feeding lantern with large plates fused across the top of each pyramid.

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Taxonomy

Order Echinoida

See also

References

  • Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 981. ISBN 0-03-056747-5.
  • National History Museum. "Echinoida". Retrieved 19 Dec 2009.


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