Diadematacia: Difference between revisions
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Revision as of 09:53, 20 December 2009
| Diadematacia Temporal range:
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| File:Echinothrix diadema.JPG | |
| Echinothrix diadema | |
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| Superorder: | Diadematacia
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Diadematacia is a superorder of sea urchins. Unlike most other sea urchins, they generally have hollow spines. The tubercles on their test are perforated, and most species possess gills.
References
- Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 980. ISBN 0-03-056747-5.
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