# Sapeornis chaoyangensis

> species of bird (fossil)

**Wikidata**: [Q141637](https://www.wikidata.org/wiki/Q141637)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sapeornis)  
**Source**: https://4ort.xyz/entity/sapeornis-chaoyangensis


## References

1. Freebase Data Dumps. 2013
2. Fossilworks
3. Global Biodiversity Information Facility
4. Open Tree of Life reference taxonomy version 3.6
5. Nocturnality in dinosaurs inferred from scleral ring and orbit morphology