Dinosaurs of ancient America
Chapter 1
The giants of the Jurassic West
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Chapter 2
The tyrants of the Cretaceous coast
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Chapter 3
The bizarre beasts of the East
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Chapter 4
The bone wars and the fossil rush
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YOUR GOAL
Master of Dinosaurs of ancient America
Ch 1 · The giants of the Jurassic West
teacher Giants of Jurassic West
In the Jurassic West, where giants once would roam, The Morrison Formation became their ancient home.
Fun Fact
Stegosaurus brain: The 30-foot-long Stegosaurus had a brain the size of a walnut, weighing just 2.8 ounces, making it incredibly small compared to its massive body.
Glossary
sauropod (noun)
A very large, herbivorous dinosaur with a long neck and tail, a small head, and four thick legs. In 1877, Arthur Lakes discovered massive bones of these creatures in Colorado's Morrison Formation.
A very large, herbivorous dinosaur with a long neck and tail, a small head, and four thick legs. In 1877, Arthur Lakes discovered massive bones of these creatures in Colorado's Morrison Formation.
Quiz
What is the informal scientific name given to the spiked tail weapon of a Stegosaurus?
Quiz
Which Jurassic predator, known from the famous fossil 'Big Al,' ruled North America before Tyrannosaurus rex?