- Nov 11, 2019
- 11,278
- 415
- 0
Some the oldest dinosaurs didn't have hollow bones, suggesting that skeletal air sacs evolved independently in three lineages: long-necked sauropodomorphs, meat-eating theropods and pterosaurs.
Hollow bones in giant dinosaurs and pterosaurs show convergent evolution in action, fossil study suggests : Read more
Hollow bones in giant dinosaurs and pterosaurs show convergent evolution in action, fossil study suggests : Read more