A is for Apatosaurus Apatosaurus was a long-necked dinosaur that ate plants. This giant was bigger than a bus. It used to be called Brontosaurus. B is for Brachiosaurus Brachiosaurus was very tall. Its neck was long and its head was small. This plant-eating dinosaur was about 16 m tall and its front legs were longer than its back legs. C is for Compsognathus Compsognathus was very small. It was the tiniest dinosaur of all. This meat-eater was just the size of a cat. It's really hard to imagine that. D is for Diplodocus Diplodocus had a whip-like tail, a long neck and a tiny head. This giant dinosaur ate plants. E is for Eoraptor Eoraptor was one of the first dinosaurs that ever lived. It lived more than 225 million years ago. This meat-eater was about 1 m long. F is for Fabrosaurus Fabrosaurus was an early dinosaur that ate plants. This fast-running dinosaur was about 1 m long. It was found in South Africa. G is for Giganotosaurus Giganotosaurus was a huge meat-eating dinosaur. It was slightly bigger than T. rex! H is for Heterodontosaurus Heterodontosaurus was a plant-eating dinosaur the size of a dog. It had three kinds of teeth - this is unusual for dinosaurs. It could walk on two or four legs. I is for Iguanodon Iguanodon was a plant-eating dinosaur that had a large spike on each thumb. It was as big as a bus! It is called Iguanodon because its teeth are a lot like the teeth of an iguana. J is for Janenschia Janenschia was a large plant-eating dinosaur that may have had armour on its skin for protection. It lived in what is now Africa. It had a long neck, a long tail, and was about 24 m long. K is for Kentrosaurus Kentrosaurus was a dinosaur that had spikes all along its back and on its shoulders. It ate plants and had a very small head. L is for Lambeosaurus Lambeosaurus was a plant-eating dinosaur that had a strange-looking, hollow crest on its head. No one knows what Lambeosaurus used this crest for. M is for Maiasaura Maiasaura was a dinosaur that built nests and took care of its babies. This plant-eater lived in large herds in what is now Montana, USA. N is for Nodosaurus Nodosaurus was an armoured dinosaur that was built like a tank. It was a plant-eater that lived in Wyoming and Kansas, USA. O is for Oviraptor Oviraptor was about the size of a person. This dinosaur had a very strange-looking head and no teeth. Oviraptor was an omnivore; it ate both plants and animals. P is for Parasaurolophus Parasaurolophus was a large dinosaur that had a large, curved head-crest. It may have made loud sounds with its hollow head crest. This plant-eater lived in western North America and was about 9 m long. Q is for Quaesitosaurus Quaesitosaurus was a long-necked, whip-tailed dinosaur. This giant ate plants and had a tiny head. Only its fossilized skull was found in the Gobi Desert in Asia. R is for Riojasaurus Riojasaurus was an early, plant-eating dinosaur that had spoon-shaped teeth. It was a heavy dinosaur that lived in South America. S is for Stegosaurus Stegosaurus had rows of triangular plates all along its back. This beautiful dinosaur was a plant-eater. It had a small head and a tiny brain. T is for T. rex and Triceratops T. rex was a huge, ferocious meat eater that lived in North America. T. rex Tyrannosaurus rex means Tyrant lizard king. T. rex ate huge animals like Triceratops, a horned dinosaur that ate plants. Triceratops U is for Unenlagia Unenlagia was a bird-like dinosaur that ate meat. It was about 2 m long and lived in what is now South America. V is for Velociraptor Velociraptor was a killer dinosaur with a long, curved claw on each foot. This meat-eater was very intelligent and lived in Asia. W is for Wannanosaurus Wannanosaurus was a thickskulled dinosaur from China. To protect itself, this planteater probably rammed its enemies with its head. X is for Xiaosaurus Xiaosaurus was a small, plant-eating dinosaur. It was the size of a dog. Y is for Yangchuanosaurus Yangchuanosaurus was a meat-eating dinosaur, with small arms and big jaws. It was about 33 feet (10 m) long and lived in what is now China. Z is for Zuniceratops Zuniceratops was a planteating dinosaur that had horns over its eyes and on its snout. It was 3-3.7 m long and weighed roughly 400 pounds. It was found by an elementary school boy, Christopher Wolfe. Zuniceratops was related to Triceratops.