Scientists May Have Discovered, In China, The Oldest, ~168 Myrs Old, Stegosaur Fossil, Called Bashanosaurus Primitivus, That Could Shed Light On Stegosaur Evolution. The Stegosaur, The Oldest Found In Asia, Is A Herbivorous Dinosaur With Attributes Not Seen In Later Stegosaur. Stegosaur Species Have Not Been Found In Antarctica & Australia.
The fossil of an armored dinosaur that lived 168 million years ago is the oldest stegosaur found in Asia and may belong to one of the earliest stegosaurs. The fossil showcases a “really weird mix of features” that shed light on stegosaur evolution.