Most ancient shark species are known only from teeth, but an analysis of C. hubbelli, also known as Hubbell's white shark, was based on a complete set of jaws with 222 intact teeth and 45 vertebrae.

In this video, my friend Cris and myself hit a creek here in North Florida for a short time to hunt for some fossils! The ...

A mako shark 30 miles off North Carolina's Outer Banks tried its best to make a meal out of a boat. ... the hull's steel withstood its sharp teeth, according to the Raleigh News and Observer.

Footage captured the moment that a massive mako shark leapt out of the ocean and into a fisherman's boat. ... which would’ve been a risky move given its razor-sharp teeth.

Fey shot video of the mako shark that washed ashore Thursday on Pensacola Beach as swimmers aided the struggling fish. “Soo this just happened!!! Pensacola Beach.

He said: "The teeth look to come from modern sharks, such as mako and white sharks, but also from ancient sharks including the immediate ancestor of the giant megalodon shark.

The mako can reach top speeds of 45 miles per hour (74 kilometers per hour), making it "the fastest shark" and "one of the fastest fishes" alive, according to marine wildlife organization Oceana.

Most ancient shark species are known only from teeth, but an analysis of C. hubbelli, also known as Hubbell's white shark, was based on a complete set of jaws with 222 intact teeth and 45 vertebrae.

Anecdotally, the staff said that visitors have found many types of common sharks' teeth on the island, including mako, bull, sand shark, sand tiger and lemon sharks.

An in-depth look at shark teeth has found that they contain fluoride, the active ingredient of most toothpaste and dental care mouthwashes. It helps to explain why sharks are so effective at ...