triangular teeth. Their extra-tall, pointed dorsal fins are easily identifiable. Most hammerhead species are fairly small and are considered harmless to humans. However, the great hammerhead's ...

Scientists have performed a comprehensive analysis of Megalodon remains that are known to exist – primarily teeth but also ... the size of an adult great hammerhead shark, the experts reveal.

That is why shark teeth are the most abundant vertebrate fossil material on the Earth and in the sea. Scalloped hammerhead on the ... like hammerheads and great whites must swim to pass water ...