Jurassic

Definition

A period in Earth's history spanning from approximately 201.3 to 145 million years ago (mya), characterized by the dominance of dinosaurs and the appearance of the first birds and flowering plants.

Etymology

From the Jura Mountains, where rocks from this period were first studied.

Example

The Jurassic period witnessed the evolution of iconic dinosaurs like the Stegosaurus and Allosaurus.

Related Terms

• Dinosaurs
• Mesozoic
• Paleontology