Rewriting Evolution's Timeline with a Fossil Find in Spain The excavation of an exceptionally well preserved stegosaur skull in Riodeva, Spain has sent shockwaves through the paleontological community, forcing scientists to reconsider their understanding of dinosaur evolution.
The 150 million year old Dacentrurus armatus fossil is a remarkable discovery that challenges existing theories about how these armored giants evolved and spread across the world.
A Rare and Fragile Find The preservation of stegosaur skulls has long been a problem for scientists, with delicate bones often disintegrating over millions of years.