# Willardia

> genus of sponges

**Wikidata**: [Q21820589](https://www.wikidata.org/wiki/Q21820589)  
**Source**: https://4ort.xyz/entity/willardia-q21820589


## References

1. Integrated Taxonomic Information System
2. Global Biodiversity Information Facility
3. World Register of Marine Species
4. Interim Register of Marine and Nonmarine Genera