# Late Devonian extinction

> mass extinction event, starting at the end of the Frasnian age of Upper Devonian around 372 million years ago

**Wikidata**: [Q678023](https://www.wikidata.org/wiki/Q678023)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Late_Devonian_mass_extinction)  
**Source**: https://4ort.xyz/entity/late-devonian-extinction


## References

1. [Source](http://stratigraphy.org/ICSchart/ChronostratChart2018-08.pdf)
2. Freebase Data Dumps. 2013
3. BBC Things
4. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)