Diadematacea
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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
