Long, sharp teeth are excellent at gripping small or medium-sized fish and squid. The bull shark has needle-like teeth that are slightly serrated, for example. They mostly eat fish, but will also ...
Just in time for summer, the megalodon—the ancient, city bus-sized shark known as the “Megatooth”—has reared its ravenous snout. While the oceans are now safe from the Megatooth, which went extinct an ...
But they were still affected. Fossil teeth show that the asteroid strike at the end of the Cretaceous killed off many of the largest species of shark. Only the smallest and deep-water species that fed ...
The university museum’s collection from Rio do Meio includes teeth from at least eight different species—and shark teeth are a treasure chest of information. In a recent paper, Burg Mayer and ...