# Famennian

> second and last stage and age of the Upper Devonian Series / Late Devonian Epoch

**Wikidata**: [Q253839](https://www.wikidata.org/wiki/Q253839)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Famennian)  
**Source**: https://4ort.xyz/entity/famennian


## References

1. International Chronostratigraphic Chart 2013/01
2. Freebase Data Dumps. 2013
3. [Definition of the Frasnian/Famennian Stage boundary](https://doi.org/10.18814/epiiugs/1993/v16i4/003)