Dinosaur Teeth: It's How they Eat (Paperback) (ISBN-13: 9781787880306)

Step back in time to the geologic era of Jurassic dinosaurs. Meet the ten dinosaurs of the Dinosaur National Monument in Utah. These huge creatures lived between 201.2-145 million years ago. They lived long before the T-Rex and Triceratops of the Cretaceous era. These dinosaurs either ate meat or plants and their teeth evolved to suit their needs. After all their teeth helped them eat!