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

triangular teeth. ‘Sharks have been around for 420 million years,’ explains Emma Bernard, our Fossil Fish Curator. ‘In that time, there have been as many as 5,000 different species. One of the reasons ...

They had long, pointed snouts and teeth designed to catch and tear apart prey, but most of the sharks in this genus were incredibly small! Most species measured around just over 2 feet (65 cm).

sharks and rays never run out of teeth, as they are endlessly replaced. Both sharks and rays have gills. Most have five but a few species of shark have six or even seven. On a shark the gills are ...

Our study shows that fossil shark teeth are more resistant to these types of changes due to their outer enamel-like surface. Remarkably, fossil shark teeth are also incredibly abundant.

Do all sharks have sharp, pointy teeth? Myth! Sharks have teeth adapted to their individual diets. While some species like lemon sharks do indeed have pointed teeth to help catch their slippery ...

A new species of shark that was one of the ocean's top predators after the extinction of the dinosaurs has been discovered in the United States. The fossilised teeth were found 100 years ago in ...

One of only three filter-feeding shark species, basking sharks eat tiny organisms ... Scientists believe their teeth—which are not used in feeding—are instead part of the mating process.