Echinoida
|  Echinoida Temporal range: Late Cretaceous–Recent  | |
|---|---|
 ![]()  | |
| Echinus melo | |
| Scientific classification | |
| Kingdom: | Animalia | 
| Phylum: | Echinodermata | 
| Class: | Echinoidea | 
| Subclass: | Euechinoidea | 
| Superorder: | Echinacea | 
| Order: |  Echinoida Troschal, 1872  | 
| Families | |
| 
 (See Text)  | |
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.
Taxonomy
Order Echinoida
- family Echinidae Gray, 1825
 - family Echinometridae Gray, 1825
 - family Parasaleniidae
 - family Strongylocentrotidae Gregory, 1900
 
See also
- Colobocentrotus atratus - Shingle urchin
 - Echinus acutus - White sea urchin
 - Echinus esculentus - Common sea urchin
 - Echinus tylodes
 - Evechinus chloroticus - New Zealand sea urchin
 - Heterocentrotus mammillatus - Red pencil urchin
 - Heterocentrotus trigonarius - Slate pencil urchin
 - Loxechinus albus - Chilean sea urchin
 
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.
 
This article is issued from Wikipedia - version of the Monday, November 16, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.


