Mysterious 'runner' dinosaur a sign there are more Jurassic secrets to unlock beneath western US - Live Science
Last Updated: 30.06.2025 00:19
The two-legged herbivor… [+4541 chars]
A mysterious "runner" dinosaur, only about the size of a dog, scurried around the ancient floodplains of what is now Colorado around 150 million years ago, a new study finds.