# Echinoida

> order of echinoderms

**Wikidata**: [Q987502](https://www.wikidata.org/wiki/Q987502)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Echinoida)  
**Source**: https://4ort.xyz/entity/echinoida


## References

1. Integrated Taxonomic Information System. 2004
2. Freebase Data Dumps. 2013
3. Fossilworks
4. World Register of Marine Species
5. New Zealand Organisms Register
6. National Biodiversity Network
7. Interim Register of Marine and Nonmarine Genera
8. National Library of Israel Names and Subjects Authority File