Dinosaurs

Tyrannosaurus Rex
Description

Tyrannosaurus was a bipedalcarnivore with a massive skull balanced by a long, heavy tail...

Vulcanodon
Description

Vulcanodon was a long-necked, long-tailed plant-eater with a small head, thick legs, and a bulky body...

Utahraptor
Description

Utahraptor was a large, terrifying predator with 9-15 inch long middle-toe claws. It was a lightly built, fast-moving, agile, bipedal (walked on two legs)...

Deinonychus
Description

Deinonychus was a lightly built, fast-moving, agile, bipedal (walked on two legs), bird-like dinosaur...

Silesaurus
Description

Silesaurus is known from some 20 skeletons, making it one of the best-represented of the early dinosaurs and related animals...

Dilophosaurus
Description

The name Dilophosaurus comes from the Greek words di meaning "two", lophos meaning "crest", and sauros meaning "lizard"; thus, "two-crested lizard"...

Nanotyrannus
Description

Nanotyrannusis possibly a juvenile specimen of Tyrannosaurus. Nanotyrannus is the smallest known tyrannosaurid and was one of the last tyrannosaurids to live...

Hadrosaur
Description

The hadrosaurs are known as the duck-billed dinosaurs due to the similarity of their head to that of modern ducks...

Baryonyx
Description

Baryonyxis one of the few known piscivorous (fish-eating) dinosaurs, with specialized adaptations like a long low snout with narrow jaws...

Amargasaurus
Description

This plant-eater had 2 rows of spines growing out along its backbone along its neck, body, and tail...

Ankylosaurus
Description

Its entire top side was heavily protected from carnivores with thick, oval plates embedded (fused) in its leathery skin, 2 rows of spikes along its body...

Ruyangosaurus
Description

Ruyangosaurus was one of the largest animals to ever walk the Earth. It had a shorter neck and tail than earlier Jurassic sauropods.

Brachiosaurus
Description

Brachiosaurus was one of the tallest and largest dinosaurs yet found. It had a long neck, small head, and relatively short, thick tail...

Dimetrodon
Description

Dimetrodon is often mistaken as a dinosaur or as a contemporary of dinosaurs, but it went extinct around 40 million years...

Maiasaura
Description

Maiasaura was a large, plant-eating, duck-billed dinosaur.Maiasauras are the first dinosaurs to be found alongside their young, eggs, and nests...

Oviraptor
Description

Oviraptor was a small, bird-like, omnivorous dinosaur.It was lightly built, fast-moving...

Parasaurolophus
Description

Parasaurolophus was a long-crested, duck-billed dinosaur. Its sight and hearing were keen, but it had no natural defenses...

Cearadactylus
Description

Named after the Ceara region of Brazil, where its single, incomplete fossil was found, Cearadactylus was a typical plus-sized pterosaur...

Pteranodon
Description

Pteranodons had hollow bones, were lightly built, had almost no tail, and small bodies; they may have had fur...

Spinosaurus
Description

Spinosaurus was a huge meat-eating dinosaur that had a series of spines on its back...

Stegosaurus
Description

Stegosaurus had 17 bony plates that were embedded in its back. The function of these plates is uncertain...

Triceratops
Description

Triceratops was a rhinoceros-like dinosaur. It walked on four sturdy legs and had three horns...

Iguanodon
Description

Iguanodon was a dinosaur that had a horny, toothless beak and tightly-packed cheek teeth...