# Permian

> sixth and final system and period of the Paleozoic erathem and era

**Wikidata**: [Q76402](https://www.wikidata.org/wiki/Q76402)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Permian)  
**Source**: https://4ort.xyz/entity/permian


## 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. YSO-Wikidata mapping project
7. BabelNet
8. National Library of Israel
9. KBpedia
10. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)