Diadematidae

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Diadematidae
Diadema setosum Oman.JPG
Diadema setosum in Oman.
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Echinodermata
Class: Echinoidea
Order: Diadematoida
Family: Diadematidae
Gray, 1855  [1]

The Diadematidae are a family of sea urchins. Their tests are either rigid or flexible and their spines are long and hollow. [2]

Contents

Senses

Like other sea urchins diadematids are sensitive to touch, light, and chemicals; additionally they do have eyes (eye spots) which is in contrast to other sea urchins. Because of this they can follow a threat with their spines. [4]

Images

Related Research Articles

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<i>Diadema setosum</i> Species of sea urchin

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<i>Heterocentrotus mamillatus</i> Species of echinoderm

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<i>Echinoecus</i> Genus of crabs

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<i>Dorippe frascone</i> Species of crab

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<i>Chaetodiadema granulatum</i> Species of sea urchin

Chaetodiadema granulatum is a species of sea urchins of the Family Diadematidae. Their armour is covered with long and slender spines, and the test is quite flattened.

<i>Diadema savignyi</i> Species of sea urchin

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References

  1. ↑ "Diadematidae". Integrated Taxonomic Information System.
  2. ↑ Maran, Vincent (2010-11-11). "Astropyga radiata (Leske, 1778)". DORIS (in French). Retrieved 2013-01-22.
  3. ↑ "Black Sea Urchin". Museum Victoria. Retrieved 2011-05-13.
  4. ↑ Knight, K. (2009). "Sea Urchins Use Whole Body As Eye". Journal of Experimental Biology. 213 (2): i–ii. doi: 10.1242/jeb.041715 .

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