- Tyrannosaurus rex may have been three species, scientists say. Experts say there is enough variation in samples to argue there was also a Tyrannosaurus imperator and a regina https://www.theguardian.com/science/2022/mar/01/tyrannosaurus-rex-may-have-been-three-species-scientists-say 43 comments science
Linked pages
- The Tyrant Lizard King, Queen and Emperor: Multiple Lines of Morphological and Stratigraphic Evidence Support Subtle Evolution and Probable Speciation Within the North American Genus Tyrannosaurus | SpringerLink https://link.springer.com/article/10.1007/s11692-022-09561-5 15 comments
- ‘That’s a lot of teeth’: 2.5 billion T rex walked the earth, researchers find | Dinosaurs | The Guardian https://www.theguardian.com/science/2021/apr/15/tyrannosaurus-rex-total-population 3 comments
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