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<tr><td width="247" bgcolor="#000000"><font color="#C7AF0C">Name means "Helmet Lizard"

Corythosaurus was a large, plant-eating, duck-billed dinosaur (family Hadrosauridae). It was about 10 meters long, 2 meters tall at the hips, and may have weighed up to 5 tons.

It had a hollow, bony crest on top of its long head in the shape of a helmet flattened on the sides. Corythosaurus' nostrils went up through the crest. The crest may have been used to make sounds, as a cooling device, courtship displays, and/or as a sense-of-smell enhancer (Corythosaurus' olfactory lobes, the part of the brain that sense smell, were located within the crest). Males had larger crests than females and juveniles.

Corythosaurus had a toothless beak and hundreds of cheek teeth that it used to grind up its food. It walked on two legs (or four), had shorter arms, and a long, heavy tail. It had no natural defenses. Its femur (thigh bone) was 108 cm long.

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<tr><td width="247" bgcolor="#000000"><font color="#C7AF0C">Name means "Spiked Lizard"

Styracosaurus was a dinosaur that walked on four short legs. This large plant-eater had a six-spiked frill projecting from the back of its skull. It also had an upward-pointing horn on its nose (60 cm long and 15 cm wide), and two small horns above its eyes. These spikes and the horn probably provided protection from predators, and were possibly used in mating rituals and rivalry. It had a short, thick, pointed tail, a large, bulky body, a large skull and a beak. Styracosaurus hatched from eggs.

Styracosaurus was about 5 meters long, 1.8 meters tall, and weighed up to 3 tons.

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<tr><td width="247" bgcolor="#000000"><font color="#C7AF0C">Name means "Totally Armored Lizard"

Panoplosaurus was an armored, plant-eating dinosaur from the late Cretaceous period. This nodosaurid ankylosaur (no tail club) was about 7 meters long and weighed about 3.5 tons.

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<tr><td width="247" bgcolor="#000000"><font color="#C7AF0C">Name means "Thick-nosed Lizard"

Pachyrhinosaurus was a plant-eating, short-frilled ceratopsian dinosaur 7 meters long. Pachyrhinosaurus may or may not have a snout horn - it had a large bony bump on its nose (which may have had a horn growing on it). It also had many small horns on the middle of its frill. It lived during the late Cretaceous period.

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<tr><td width="247" bgcolor="#000000"><font color="#C7AF0C">Name means "Ponderous Lizard"

Epachthosaurus was a huge plant-eating dinosaur from the late Cretaceous period. This titanosaurid (armored sauropod) had a long neck, long tail, small head, and heavy body. It was about 20 meters long.

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