We can divide the Jurassic Period into three key parts, known as epochs: the Early Jurassic, 201.4 million to 174.7 million years ago the Middle Jurassic, 174.7 million to 161.5 million years ago the ...

Between them was a prehistoric ocean called the Tethys Ocean. As these continents further divided, what we now call the ...

This was the Jurassic, which took place 199 to 145 million years ago. At the start of the period, the breakup of ... pushing sea levels higher and onto the continents. All this water gave the ...

Scientists divide the Mesozoic Era into three periods: the Triassic, Jurassic and Cretaceous. During this era, the land gradually split from one huge supercontinent into smaller ones. The associated ...