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Echinoida

Echinoida
Temporal range: Late Cretaceous–Recent
Riccio Melone a Capo Caccia adventurediving.it.jpg
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)




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Wikipedia

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