# Urocleidus principalis

> species of worm

**Wikidata**: [Q50734435](https://www.wikidata.org/wiki/Q50734435)  
**Source**: https://4ort.xyz/entity/urocleidus-principalis


## References

1. Global Biodiversity Information Facility
2. World Register of Marine Species
3. TAXREF v9.0
4. TAXREF v10.0
5. TAXREF v11.0
6. TAXREF v12.0
7. TAXREF v13.0
8. TAXREF v14.0
9. TAXREF v15.0
10. TAXREF v16.0
11. National Biodiversity Network
12. Fauna Europaea
13. European Nature Information System
14. EASIN Catalogue of Alien Species