Megalodon teeth are the largest shark teeth ever found and have sharp serrated edges. So when these sharks bit marine mammals ...
Fossil teeth of extinct megalodon sharks have grooves made by other megalodon teeth, hinting at violent encounters between ...
AN INCREDIBLE nine million year old ancestor of the great white shark has been discovered in Peru. The 23ft long beast had huge flesh-tearing teeth that ripped through its prey and could grow up ...
Sand tiger sharks, also known as gray nurse sharks, have a deceivingly ferocious look. They are large-bodied and display a mouthful of sharp teeth that protrude in all directions, even when the ...