# Irritator challengeri

> extinct species of theropod dinosaurs belonging to the Spinosaurids

**Wikidata**: [Q20718481](https://www.wikidata.org/wiki/Q20718481)  
**Source**: https://4ort.xyz/entity/irritator-challengeri


## References

1. A new crested maniraptoran dinosaur from the Santana Formation (Lower Cretaceous) of Brazil
2. Encyclopedia of Life
3. Fossilworks
4. Global Biodiversity Information Facility