Were Sharks Around Before Dinosaurs?

Today's sharks are descended from relatives that swam alongside dinosaurs in prehistoric times. ... It lived just after the dinosaurs, 23 million years ago, and only went extinct 2.6 million years ago.

Who was here first sharks or dinosaurs?

Sharks are among Earth's most ancient creatures. First evolving over 455 million years ago, sharks are far more ancient than the first dinosaurs, insects, mammals or even trees.

Did sharks exist before dinosaurs?

Most scientists believe that sharks came into existence around 400 million years ago. That's 200 million years before the dinosaurs! It's thought that they descended from a small leaf-shaped fish that had no eyes, fins or bones. These fish then evolved into the 2 main groups of fish seen today.