| 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) |
|
(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.
Order Echinoida
Paracentrotus lividus (Echinidae)
Echinometra lucunter (Echinometridae)
Strongylocentrotus franciscanus (Strongylocentrotidae)