# Ludfordian

> second and last stage and age of the Ludlow series and epoch

**Wikidata**: [Q912190](https://www.wikidata.org/wiki/Q912190)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ludfordian)  
**Source**: https://4ort.xyz/entity/ludfordian


## References

1. International Chronostratigraphic Chart 2013/01
2. [Source](https://stratigraphy.org/gssps/ludfordian)