# Cretaceous

> third and final period of the Mesozoic Era

**Wikidata**: [Q44626](https://www.wikidata.org/wiki/Q44626)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cretaceous)  
**Source**: https://4ort.xyz/entity/cretaceous


## References

1. [Source](https://zenodo.org/records/10659112)
2. International Chronostratigraphic Chart 2023/09
3. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=30512)
4. CGMW ICS colour codes
5. Nuovo soggettario
6. Freebase Data Dumps. 2013
7. YSO-Wikidata mapping project
8. BabelNet
9. [Source](https://encyklopedia.pwn.pl/haslo/kreda;3927263.html)
10. National Library of Israel
11. KBpedia
12. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)