Diadematidae

Last updated

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

<i>Echinothrix diadema</i> Species of sea urchin

The diadema urchin or blue-black urchin is a species of tropical sea urchin, member of the Diadematidae family.

<i>Cidaris</i> Genus of sea urchins

Cidaris is a genus of pencil sea urchins.

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

Diadema setosum is a species of long-spined sea urchin belonging to the family Diadematidae. It is a typical sea urchin, with extremely long, hollow spines that are mildly venomous. D. setosum differs from other Diadema with five, characteristic white dots that can be found on its body. The species can be found throughout the Indo-Pacific region, from Australia and Africa to Japan and the Red Sea. Despite being capable of causing painful stings when stepped upon, the urchin is only slightly venomous and does not pose a serious threat to humans.

<i>Dosinia</i> Genus of bivalves

Dosinia is a genus of saltwater clams, marine bivalve molluscs in the family Veneridae, subfamily Dosiniinae Deshayes, 1853. The shell of Dosinia species is disc-like in shape, usually white, and therefore is reminiscent of the shells of Lucinid bivalves.

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

Heterocentrotus mamillatus, commonly known as the slate pencil urchin, red slate pencil urchin, or red pencil urchin, is a species of tropical sea urchin from the Indo-Pacific region.

<span class="mw-page-title-main">Rotulidae</span> Family of sea urchins

Rotulidae is a family of small sand dollars native to the Atlantic coast of Africa, with 3 genera, with Rotula and Heliophora being extant, the other, Rotuloidea, being extinct since the Pliocene, but all three being found in the fossil record along the Atlantic African coast since the Miocene.

<i>Echinoecus</i> Genus of crabs

Echinoecus is a genus of crabs that live in association with sea urchins. Formerly considered monotypic, the genus is now thought to contain three species:

<span class="mw-page-title-main">Toxopneustidae</span> Family of echinoderms

Toxopneustidae is a family of globular sea urchins in the class Echinoidea.

<i>Clypeaster</i> Genus of sea urchins

Clypeaster, common name "cake urchins" or "sea biscuits", is a genus of echinoderms belonging to the family Clypeasteridae.

<i>Lytechinus</i> Genus of sea urchins

Lytechinus is a genus of sea urchins.

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

Dorippe frascone, the urchin crab or carrier crab, is a small species of crab in the family Dorippidae that was first described scientifically by J.F.W. Herbst, in 1785. It is found in the Red Sea and parts of the western and eastern Indian Ocean. It often has a symbiotic relationship with a long-spined sea urchin and carries one around on its carapace.

<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

Diadema savignyi is a species of long-spined sea urchin belonging to the family Diadematidae. Common names include long-spined sea urchin, black longspine urchin and the banded diadem. It is native to the east coast of Africa, the Red Sea, the Indian Ocean and western Pacific Ocean. It was first described in 1829 by the French naturalist Jean Victoire Audouin. The specific epithet honours the French zoologist Marie Jules César Savigny who described many new marine species from the Mediterranean Sea and Red Sea. The type locality is Mauritius.

<i>Chaetodiadema</i> Genus of sea urchins

Chaetodiadema is a genus of sea urchins of the Family Diadematidae. Their armour is covered with spines.

Austrocidaris is a genus of sea urchins belonging to the family Cidaridae.

<i>Encope</i>

Encope is a genus of echinoderms belonging to the family Mellitidae.

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 .

Commons-logo.svg Media related to Diadematidae at Wikimedia Commons


This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.