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 needle-like teeth that are slightly serrated, for ...

Most kids have a natural curiosity about sharks—especially their sharp and abundant teeth. Our team had the idea to use the ...

Weirdest of all was probably Helicoprion (bottom), which had a lower jaw shaped like a buzz saw and no teeth at all in its ... One species, the bull shark, can also survive in fresh water and ...

A bull shark is the only shark capable of surviving ... "We do have some actual shark teeth—looking things in some of the rocks.” So if it’s not a shark, what could it be?

Students then get to work with fossil kits containing 15 real fossil shark teeth and one 3D-printed megalodon tooth. Megalodons were behemoth sharks that roamed the waters starting 20 million ...