WHAT'S INSIDE: DINOSAURS
- About Dinosaurs
- Early Triassic & Jurassic Dinosaurs
- Middle & Late Jurassic Dinosaurs
- Early Cretaceous Dinosaurs
- Late Cretaceous Dinosaurs
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In 1914, Barnum Brown of the American Museum of Natural History collected a nine-inch-long skull and some foot bones from the Judith River Formation in Alberta. It was named Dromaeosaurus, which means "running reptile." Learn more about the Dromaeosaurus.
Dryptosaurus is the only carnivorous dinosaur from the East Coast of the United States based on more than a single bone. The partial skeleton was discovered more than a hundred years ago by workers in a quarry in New Jersey. Learn more about the Dryptosaurus.