# Polymorphus contortus

> species of worm

**Wikidata**: [Q2742496](https://www.wikidata.org/wiki/Q2742496)  
**Source**: https://4ort.xyz/entity/polymorphus-contortus


## References

1. Integrated Taxonomic Information System. 1996
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. Interim Register of Marine and Nonmarine Genera
9. SeaLifeBase
10. European Nature Information System
11. Open Tree of Life reference taxonomy version 3.6