Salenioida
| Salenioida Temporal range:
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| Order: | Salenioida Delage, 1903
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| Family: | Saleniidae L. Agassiz, 1838
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The Salenioida are an order of sea urchins, containing a single family, the Saleniidae.
They are distinguished from other sea urchins by the presence of a large plate on the upper surface, with the anus to one side. They have very large tubercles between the ambulacral plates, and much smaller ones on the ambulacral plates themselves.
References
- Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 980. ISBN 0-03-056747-5.
- National History Museum. "Selenioida". Retrieved 19th Dec 2009.
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