Kentrosaurus ("pointed lizard") was a stegosaur dinosaur, a smaller African relative and counterpart to the larger and better known Stegosaurus.
Facts
Kentrosaurus was similar to Stegosaurus, but at 5 m in length, on average, it was smaller and more gracile than its North American relative. It also had less plates on its body and more spikes than Stegosaurus did, and it also have shoulder spikes that Stegosaurus didn't have
In Walking with Dinosaurs: Inside Their World
Kentrosaurus was one of the dinosaurs featured in this app.