Diadematacea
Translingual edit
Etymology edit
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)
Proper noun edit
Diadematacea
- A taxonomic superorder within the class Echinoidea – many sea urchins.
Hyponyms edit
- (superorder): Diadematoida, Echinothurioida, Pedinoida - orders
References edit
Diadematacea on Wikipedia.Wikipedia 
Diadematacea on Wikispecies.Wikispecies 
Category:Echinoidea on Wikimedia Commons.Wikimedia Commons
