# Butlerius

> genus of worms

**Wikidata**: [Q5267770](https://www.wikidata.org/wiki/Q5267770)  
**Source**: https://4ort.xyz/entity/butlerius


## References

1. Integrated Taxonomic Information System
2. Taxonomy database of the U.S. National Center for Biotechnology Information
3. Encyclopedia of Life
4. Global Biodiversity Information Facility
5. World Register of Marine Species
6. Fauna Europaea
7. UMLS 2023
8. National Biodiversity Network
9. Nederlands Soortenregister
10. Interim Register of Marine and Nonmarine Genera