# Ptyonius

> genus of the first four-limbed vertebrates and their descendants

**Wikidata**: [Q7257178](https://www.wikidata.org/wiki/Q7257178)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ptyonius)  
**Source**: https://4ort.xyz/entity/ptyonius


## References

1. Global Biodiversity Information Facility
2. Fossilworks
3. Interim Register of Marine and Nonmarine Genera