Its thick shell shows signs of wear

or defense against predators

Its jaw was toothless and featured a sharp beak

In one swift movement

narrow skull

Yangchuanosaurus shangyouensis Scale:1:60 Its thick shell shows signsYangchuanosaurus shangyouensis was a large carnivorous theropod that lived during the Late Jurassic period, approximately 163 to 157 million years ago, in what is now China. One of the top predators in its ecosystem, this dinosaur belonged to the family of metriacanthosaurids, a group of carnivores closely related to allosaurids. With an estimated length of between 8 and 10 meters and a weight of up to 3 tons, Yangchuanosaurus was a formidable hunter.