Labels:text | bird | animal OCR: CRETACEOUS (144-65 MYA) FOSSIL FINDS Hypsilophodon, a small, agile, fast-moving, two-legged plant-eater with sharp eyesight, a horny beak, and cheek pouches for storing food. Iguanodon, a large, two-legged/four-legged plant -eater with cheek teeth for grinding, hoof-like claws, and spiky thumbs for defense. Pachycephalosaurus, a two-legged plant-eater with a thick, dome-shaped skull. Triceratops, a four-legged plant-eater with a massive, three-horned head.