# Astacus

> genus of crayfish

**Wikidata**: [Q1942450](https://www.wikidata.org/wiki/Q1942450)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Astacus)  
**Source**: https://4ort.xyz/entity/astacus


## References

1. Integrated Taxonomic Information System. 2004
2. Freebase Data Dumps. 2013
3. Taxonomy database of the U.S. National Center for Biotechnology Information
4. Encyclopedia of Life
5. Fossilworks
6. Global Biodiversity Information Facility
7. World Register of Marine Species
8. Fauna Europaea
9. Dyntaxa
10. National Biodiversity Network
11. Nederlands Soortenregister
12. Barcode of Life Data Systems
13. [Portál informačního systému ochrany přírody](https://portal.nature.cz/publik_syst/nd_nalez-public.php?idTaxon=53773)
14. National Library of Israel Names and Subjects Authority File
15. Open Tree of Life reference taxonomy version 3.6
16. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)