# Echinus affinis

> species of echinoderm

**Wikidata**: [Q3467521](https://www.wikidata.org/wiki/Q3467521)  
**Source**: https://4ort.xyz/entity/echinus-affinis


## References

1. Integrated Taxonomic Information System. 1996
2. Echinoidea (Part I)
3. Marine flora and fauna of the northeastern United States. Echinodermata: Echinoidea
4. [Source](https://www.gbif.org/occurrence/2012909121)
5. [Source](https://www.gbif.org/occurrence/2012909433)
6. Global Biodiversity Information Facility
7. World Register of Marine Species
8. Interim Register of Marine and Nonmarine Genera
9. SeaLifeBase
10. European Nature Information System