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The official category for all terms dinosaur. Dinosaurs were the largest and dominant animals on earth for over 160 million years, from the late Triassic period (about 230 million years ago) until the end of the Cretaceous (about 65 million years ago.)

Contributors in Dinosaurs


yutyrannus huali

Animals; Dinosaurs

A species of giant feathered dinosaurs discovered in northeastern China in March 2012. The name "yutyrannus huali" is coined by combining the Latin and Mandarin words meaning "beautiful feathered ...


Animals; Dinosaurs

A very large dinosaur that walked on four legs and ate plants. It had a long neck and tail and a small head.

duck-billed dinosaur

Animals; Dinosaurs

A medium sized or large dinosaur that ate plants and had a mouth shaped like a duck's bill.

Tyrannosaurus Rex

Animals; Dinosaurs

Tyrannosaurus Rex was a bipedal carnivore which used to live in the western North America during the Maastrichtian age of the upper Cretaceous Period (about 70 million years ago). It was one of the ...


Animals; Dinosaurs

Velociraptor is a species of dinosaur which lived 73 million years ago (Cretaceous Period). There were two species of it and it was a bipedal carnivore with long tail and 3 finger claws. They were ...


Animals; Dinosaurs

The specie is Triceratops horridus. Its name means ugly head with three horns. It lived during the late Cretaceous period. This herbivore ate tough plants and high in fiber. It measured nine meters ...


Animals; Dinosaurs

The oldest known fossil bird, of the late Jurassic period. It had feathers, wings, and hollow bones like a bird, but teeth, a bony tail, and legs like a small coelurosaur dinosaur.

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