Fossil teeth also help us to understand shark evolution. For example, we know that the extinct giant mako shark, Isurus hastalis, is the ancestor of today’s great white shark. The fossil record ...
The researchers analysed the carbon-13 and oxygen-18 isotopes in a mineral in the megalodon’s fossil teeth called apatite ... The megalodon, great white shark and mako shark are not the only ...
Sharks have teeth that are kind of on a conveyor belt ... The fastest shark species is the shortfin mako shark, and it's believed that they can go at least 31 miles an hour - possibly even ...