411 REFERENCE · Wiktionary
Diadematoida
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Translingual
Etymology
Diadema genus 1 mul oida
Proper noun
order class Echinoidea hollow-spined sea urchins
Hypernyms
order ; Euechinoidea subclass - subclass; Acroechinoidea infraclass - infraclass
Hyponyms
order Diadematidae family - family
Coordinate terms
order Aspidodiadematoida order, Micropygoida order, Pedinoida order - orders
References
510522 1