# Givetian

> second and last stage and age of the Middle Devonian series and epoch

**Wikidata**: [Q650845](https://www.wikidata.org/wiki/Q650845)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Givetian)  
**Source**: https://4ort.xyz/entity/givetian


## References

1. International Chronostratigraphic Chart 2013/01
2. [Source](https://stratigraphy.org/gssps/#devonian)
3. Freebase Data Dumps. 2013
4. [Source](https://doi.org/10.18814/epiiugs/1995/v18i3/002)
5. [Source](https://gallica.bnf.fr/ark:/12148/bpt6k5747717n/f143.item)