# Devonian

> fourth period of the Paleozoic Era

**Wikidata**: [Q65955](https://www.wikidata.org/wiki/Q65955)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Devonian)  
**Source**: https://4ort.xyz/entity/devonian


## References

1. [Source](https://zenodo.org/records/10659112)
2. International Chronostratigraphic Chart 2023/09
3. CGMW ICS colour codes
4. Nuovo soggettario
5. Freebase Data Dumps. 2013
6. Gran Enciclopèdia Catalana
7. YSO-Wikidata mapping project
8. BabelNet
9. Quora
10. FactGrid
11. National Library of Israel
12. KBpedia
13. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)