So seeing a hammerhead shark (Sphyrna tiburo ... and these babies are self-sufficient with teeth and jaws, ready to survive on their own. Access to a hammerhead embryo is very rare, which is ...

That is why shark teeth are the most abundant vertebrate fossil material on the Earth and in the sea. Scalloped hammerhead on the ... of sharks have a buccal (mouth) pump and are not so-called ...