Encourage your child's imagination and creative play with CollectA Ceratosaurus Dinosaur with Movable Jaw Brown. Ceratosaurus means 'horned lizard'. It was a large theropod that lived during the Late Jurassic period, around 153-148 million years ago. Ceratosaurus were 6m long and weighed 970kg. They ate a carnivorous diet and were one of the biggest hunters in the Jurassic period. This hand-painted dinosaur toy looks lifelike and realistic. Designed by experts, CollectA dinosaur models are factually accurate and true to life.