What Is a Stegosaurus? Simple Explanation

Understanding What a Stegosaurus Is

The Stegosaurus was a large, plant-eating dinosaur that lived about 150 million years ago. It is famous for its big back plates and its tail with sharp spikes.

What the Stegosaurus Looked Like

It had a small head, a heavy body, and four strong legs. The most recognizable features were the two rows of large, bony plates along its back.

Why the Plates Were Important

Scientists think the plates helped with display, protection, or temperature control. Their exact purpose is still debated, but they made the dinosaur stand out.

The Tail Spikes

The Stegosaurus had a tail with long, pointed spikes called a “thagomizer.” These spikes were likely used for defense against predators.

What Stegosaurus Ate

It was a herbivore that fed on low-growing plants. With its small teeth and low head position, it likely ate ferns, cycads, and other ancient vegetation.

Where Stegosaurus Lived

Fossils have been found in North America. It lived in forests and floodplain environments during the Late Jurassic period.

The Simple Takeaway

The Stegosaurus was a plant-eating dinosaur known for its back plates and spiked tail. It lived 150 million years ago and remains one of the most iconic dinosaurs.