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

Others are curved and can be used to hook prey, such as those of hooktooth sharks. Some sharks have teeth that are flat and very strong. They are typically found in species that live at the bottom of ...

They can even be found in the UK near Walton-on-the-Naze, Essex,' says Emma, although they are extremely rare in the UK and tend to be of poor quality. Almost all fossil remains of megalodon are teeth ...

Researchers must interpret ecosystems based on fossilized remains and the sedimentary layers in which they are found. Shark teeth are especially valuable for this purpose. Their abundance and ...

hooked teeth. The basking shark’s scientific name, Cetorhinus maximus, roughly translates to “great-nosed sea monster” in Greek. In reality, these placid sharks, found the world over ...