A shortfin mako shark head from our spirit collection. This species of shark has needle-like teeth. Long, sharp teeth are excellent at gripping small or medium-sized fish and squid. The bull shark has ...

As the top predator of its day, megalodon feasted on small whales, sea turtles ... he realized that tongue stones were in fact prehistoric shark teeth that belonged to something much bigger.

Sharks have ruled the Earth’s oceans for 400 million years and recent research on fossilized shark teeth has led to the ...

Our study was one of the first to date Florida coastal deposits using fossil shark teeth and a technique that looks at variations in ocean strontium. Strontium is a chemical element that occurs ...

The bill was in response after a small shark bit an employee at a for-profit zoo in West Des Moines, and the shark had to be killed to get it’s teeth out of the employee’s hand. Republican ...

Remarkably, fossil shark teeth are also incredibly abundant. Sharks ruled the earth's oceans for 400 million years, and every individual grows and sheds thousands of teeth in their lifetime.