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Camptosaurus (meaning "bent lizard") was a plant-eater from the late Jurassic period (about 156 to 145 million years ago) that looked a lot like Iguanodon. It was a heavy ornithischian dinosaur that was about 16-23 feet (5-7 m) long and 3-4 feet (1 m) high at the hips, weighing roughly 2,200 pounds (1000 kg). It had a long snout, hundreds of teeth and a horny beak. Its legs were longer than its arms; it had four-toed feet and five-fingered arms, all with hooves. It could walk on two or four legs, it probably went on all four to graze for low-lying plants.
WHEN CAMPTOSAURUS LIVED
Camptosaurus lived in the late Jurassic period, about 156-145 million years ago.
Camptosaurus may have lived in herds.
Camptosaurus was an ornithopod, whose intelligence (as measured by its relative brain to body weight, or EQ) was midway among the dinosaurs.
Camptosaurus was an herbivore, a plant eater. It probably nipped cycads and other prehistoric plants with its tough, toothed beak. It had no teeth in the front of its mouth, but had strong teeth in the side of its jaw (cheek teeth) to grind the plant material.
Camptosaurus could walk on two or four legs.
DISCOVERY OF FOSSILS
Camptosaurus fossils have been found in North American and Europe. It was first found in Utah, USA by the dinosaur collector Earl Douglass and named by paleontologist Othniel C. Marsh in 1885. Many fossils of Camptosaurus have been found, in different stages of development.
Camptosaurus belonged to the:
- Kingdom Animalia (animals)
- Phylum Chordata (having a hollow nerve chord ending in a brain)
- Class Archosauria (diapsids with socket-set teeth, etc.)
- Order Ornithischia - bird-hipped, herbivorous dinosaurs
- Suborder Ornithopoda - bird-footed, beaked, bipedal, herbivorous dinosaurs
- Family Iguanodontidae - the family of large, bipedal, long-toed herbivores with thumb spikes, that included Ouranosaurus, Probactrosaurus, and others.
- Genus Camptosaurus
- species: The type species is C. dispar (Marsh, 1879). Other Camptosaurus species include: C. depressus (Gilmore, 1909), C. leedsi (Lydekker, 1889, dubious), C. prestwichii (Hulke, 1880).
Camptosaurus from the College of Eastern Utah.
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