Echinoida Temporal range:Late Cretaceous–Recent PreꞒ Ꞓ O S D C P T J K Pg N
Echinus melo
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Echinoidea
Superorder:	Echinacea
Order:	Echinoida Troschal, 1872
Families
(See Text)

Echinoida is anorder of sea urchins in theclassEchinoidea. 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.

OrderEchinoida

• familyEchinidaeGray, 1825
• familyEchinometridaeGray, 1825
• familyParasaleniidae
• familyStrongylocentrotidaeGregory, 1900

• 
  Paracentrotus lividus (Echinidae)
• 
  Echinometra lucunter (Echinometridae)
• 
  Strongylocentrotus franciscanus (Strongylocentrotidae)

• 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

• Barnes, Robert D. (1982).Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 981.ISBN 0-03-056747-5.
• National History Museum."Echinoida". Retrieved19 Dec 2009.

This article about asea urchin is astub. You can help Wikipedia byexpanding it.

• v
• t
• e

• Echinoida
• Extant Late Cretaceous first appearances
• Obsolete animal taxa
• Echinoidea stubs

• Articles with short description
• Short description is different from Wikidata
• Articles with 'species' microformats
• All stub articles