# Hydrasterias improvisus

> species of echinoderm

**Wikidata**: [Q2575995](https://www.wikidata.org/wiki/Q2575995)  
**Source**: https://4ort.xyz/entity/hydrasterias-improvisus


## References

1. A preliminary synopsis of the Asteriidae, a family of sea-stars
2. Integrated Taxonomic Information System
3. Global Biodiversity Information Facility
4. World Register of Marine Species
5. Interim Register of Marine and Nonmarine Genera
6. SeaLifeBase
7. Ocean Biodiversity Information System
8. Open Tree of Life reference taxonomy version 3.6