But shark teeth come in many shapes and sizes. They can tell us how these fish live and evolved. All sharks have teeth, but what may surprise you is that they don’t all have sharp, triangular teeth.

Almost all fossil remains of megalodon are teeth. Sharks continually produce teeth throughout their entire lives. Depending on what they eat, sharks lose a set of teeth every one to two weeks, getting ...

Do all sharks have pointy teeth? Can sharks instantly smell a drop of blood? Just a few of the questions that Steve Backshall answers as he separates shark fact from shark myth!

Charles Shelton Jr. has collected thousands of shark teeth, jaws and other fossils over the past three decades. He now shares ...

These teeth reduce drag and make the shark swim faster. All sharks and rays have teeth – even the ones that eat plankton! But in these filter feeders, the teeth are tiny and not used in feeding.

Shark teeth are especially valuable for this purpose. Their abundance and durability make them a treasure trove of information about past environments. However, uncovering patterns in ancient ...