The animal has come as a surprise to experts, who now have to rethink how these armoured dinosaurs evolved ......

The animal has come as a surprise to experts, who now have to rethink how these armoured dinosaurs evolved ......

Spicomellus roamed the earth 165 million years ago and had bony spikes projecting from all of its ribs ......

Spicomellus roamed the earth 165 million years ago and had bony spikes projecting from all of its ribs ......

A fossil discovered in Patagonia shows a 3.5-metre-long reptile from the late Cretaceous with large, serrated teeth capable of slicing through muscle...

A 165-million-year-old ankylosaur from the Atlas Mountains of Morocco was covered in an array of extreme armour including body spikes fused to its...

A 165-million-year-old ankylosaur from the Atlas Mountains of Morocco was covered in an array of extreme armour including body spikes fused to its...

A new species of sail-backed dinosaur has been discovered on the Isle of Wight, an island off the coast of England. Named Istiorachis macarthurae, the...

A new species of sail-backed dinosaur has been discovered on the Isle of Wight, an island off the coast of England. Named Istiorachis macarthurae, the...