# Early Pleistocene

> first subseries and subepoch of the Pleistocene Series and Epoch

**Wikidata**: [Q444693](https://www.wikidata.org/wiki/Q444693)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Early_Pleistocene)  
**Source**: https://4ort.xyz/entity/early-pleistocene


## References

1. International Chronostratigraphic Chart 2023/09
2. International Chronostratigraphic Chart 2013/01
3. [Source](https://stratigraphy.org/ICSchart/CGMW_ICS_colour_codes.xlsx)
4. Freebase Data Dumps. 2013
5. BabelNet
6. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)