the correct answer is sharks funny anuff you would think it would be dinosaurs but the first shark was before dinosaurs but the first shark was the jawless shark. i personally thought it would be dinosaurs butt i was proven i was wrong. but it is the truth. so there you have it. if you need proof sharks lived hear before 420 million years ago and dinosaurs lived and dies 230 million years to 65 million years ago.
hope i could help i also did not copy and paste repeat did not