# Aculus rigidus

> species of arachnid

**Wikidata**: [Q50364292](https://www.wikidata.org/wiki/Q50364292)  
**Source**: https://4ort.xyz/entity/aculus-rigidus


## References

1. Global Biodiversity Information Facility
2. Dyntaxa
3. TAXREF v11.0
4. TAXREF v12.0
5. TAXREF v13.0
6. TAXREF v14.0
7. TAXREF v15.0
8. TAXREF v16.0
9. National Biodiversity Network
10. Nederlands Soortenregister
11. Fauna Europaea
12. Interim Register of Marine and Nonmarine Genera
13. [Portál informačního systému ochrany přírody](https://portal.nature.cz/redlist/v_nd_taxon_category.php)
14. European Nature Information System