# Archaeornithes

> subclass of tetrapods

**Wikidata**: [Q2033411](https://www.wikidata.org/wiki/Q2033411)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Archaeornithes)  
**Source**: https://4ort.xyz/entity/archaeornithes


## References

1. Freebase Data Dumps. 2013
2. Fossilworks