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 ...

Most of the shark’s skeleton was composed of cartilage, which rapidly decays and doesn’t leave behind fossils. Now, all that remains of the magnificent megalodon are teeth, vertebrae and ...

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.

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!

Shark teeth' – officially known as persistent deciduous ... to extra-large breeds (more than 40kg). Overall, among all the ...

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 ...

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 ...