Imogen has a special gift, she can talk to dinosaurs. With Spot the Gecko by her side, she keeps the dinosaurs safe and out of trouble. While checking on a particularly clumsy Ankylosaurus called Archie, they were startled to discover him wedged between two tree stumps! How would Imogen and Spot free him from this sticky situation? Ankylosaurus meaning 'fused lizard', was an armoured dinosaur. - Natural History Museum An adult Ankylosaurus was as large as a tank, weighed about 10,000 pounds, measured 30 feet long and had a club shaped tail - National Geographic Kids The Ankylosaurus was a plant-eater (herbivore) had a wide beak, small teeth and a skull that was so protected that the brain was also very small. - Active Wild