# Tonian

> first period of the Neoproterozoic Era

**Wikidata**: [Q743343](https://www.wikidata.org/wiki/Q743343)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tonian)  
**Source**: https://4ort.xyz/entity/tonian


## References

1. [Source](https://zenodo.org/records/10659112)
2. International Chronostratigraphic Chart 2023/09
3. [Source](https://stratigraphy.org/ICSchart/CGMW_ICS_colour_codes.xlsx)
4. Freebase Data Dumps. 2013
5. BabelNet
6. Quora
7. KBpedia