# Okenia problematica

> species of mollusc

**Wikidata**: [Q106222251](https://www.wikidata.org/wiki/Q106222251)  
**Source**: https://4ort.xyz/entity/okenia-problematica


## References

1. What is really out there? Review of the genus Okenia Menke, 1830 (Nudibranchia: Goniodorididae) in the Mediterranean Sea with description of two new species
2. Taxonomy database of the U.S. National Center for Biotechnology Information
3. World Register of Marine Species
4. UMLS 2023
5. TAXREF v13.0
6. TAXREF v14.0
7. TAXREF v15.0
8. TAXREF v16.0
9. Open Tree of Life reference taxonomy version 3.6