6 Awesome Dinosaur Species You Should Know: Quick Facts

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Therizinosaurus

Pachycephalosaurus

Illustration of the giant sauropod dinosaur Dreadnoughtus, shown with a long neck and tail, standing next to a much smaller elephant for size comparison. Scale bars indicate 3 meters and 9 feet, with text noting Dreadnoughtus measured 85 feet (25.9 meters) from head to tail.

Illustration of a Velociraptor from the late Cretaceous period, showing a slender, greenish dinosaur with a long tail, sharp teeth, and large sickle-shaped claws on its second toes. A scale bar above shows 50 centimeters and 2 feet for size reference. An inset compares its size to a bird, and text notes its length of 6 feet and Asian origin.

Illustration of Compsognathus, a small, slender dinosaur from the late Jurassic period, shown with a long tail and agile posture, with a mouse for scale. Text notes its 2 to 3 foot length and describes it as a swift predator from Europe.

Therizinosaurus

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