# Thick shelled river mussel

> species of mollusc

**Wikidata**: [Q798236](https://www.wikidata.org/wiki/Q798236)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Unio_crassus)  
**Source**: https://4ort.xyz/entity/thick-shelled-river-mussel


## References

1. The IUCN Red List of Threatened Species 2022.2
2. IUCN Red List
3. Freebase Data Dumps. 2013
4. Taxonomy database of the U.S. National Center for Biotechnology Information
5. Integrated Taxonomic Information System
6. Encyclopedia of Life
7. Global Biodiversity Information Facility
8. World Register of Marine Species
9. ZooBank
10. Nederlands Soortenregister
11. [Portál informačního systému ochrany přírody](https://portal.nature.cz/publik_syst/nd_nalez-public.php?idTaxon=34677)
12. [Belgian Species List](http://species.be/en/5121)
13. [Finnish Biodiversity Information Facility](https://laji.fi/taxon/MX.212398)
14. Fauna Europaea
15. Dyntaxa
16. YSO-Wikidata mapping project
17. UMLS 2023
18. TAXREF v9.0
19. TAXREF v10.0
20. TAXREF v11.0
21. TAXREF v12.0
22. TAXREF v13.0
23. TAXREF v14.0
24. TAXREF v15.0
25. TAXREF v16.0
26. National Biodiversity Network
27. Barcode of Life Data Systems
28. [Portál informačního systému ochrany přírody](https://portal.nature.cz/redlist/v_nd_taxon_category.php)
29. eBiodiversity
30. Belgian Species List
31. Finnish Biodiversity Information Facility
32. AnimalBase
33. Naturbasen