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 ...

For example, we know that the extinct giant mako shark, Isurus hastalis, is the ancestor of today’s great white shark. The fossil record reveals a transitional species called Carcharodon hubbelli, ...

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.

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.

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.

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.

The short clip shows the nearly-10-foot mako shark sinking its teeth into the tuna right after one of the mates hits it with a gaff. A brief tug-of-war ensues. The mako whips the fish side-to-side ...

At one point, Fey zooms in on the shark and its giant maw, shouting to Josh, "Babe, look at them freakin' teeth!" ... According to her, the mako shark swam towards the shore and stranded itself.