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6-year-old finds megalodon tooth on UK beach

A computer-generated image of a megalodon with its mouth open.
A computer-generated image of a megalodon with its mouth open. (Image credit: Gil Cohiba/Shutterstock)

A 6-year-old boy was looking for shells and fossils with his father on a U.K. beach when he picked up a rare tooth belonging to a megalodon — the biggest shark that has ever lived. 

Sammy Shelton discovered the megalodon tooth on Bawdsey Beach in Suffolk on the east coast of England, as first reported by the Great Yarmouth Mercury (opens in new tab), a news outlet covering Great Yarmouth in the neighboring county of Norfolk, where the boy is from. The tooth measured 4 inches (10 centimeters) long, according to The Mirror (opens in new tab), a British news website.   

"We knew what it was but not how rare it was," Peter Shelton, the boy's father, told the Great Yarmouth Mercury. 

The beach is a popular site for fossil hunters, who told the Sheltons that finding a megalodon tooth there is rare.  

Megalodon teeth are quite common in some places, including off the East Coast of North America and off the coast of Morocco. However, they are "extremely rare" in the U.K., according to the Natural History Museum (opens in new tab) in London.

Related: The megalodon spent tens of millions of years honing its lethal, knife-like teeth 

Megalodon (Otodus megalodon) ruled the oceans at the top of the food chain, chomping down large prey such as whales and dolphins, until it disappeared from the fossil record by the end of the Pliocene epoch about 2.6 million years ago. Scientists are still debating megalodon's exact size, but the giant sharks likely reached at least 49 feet (15 meters) long and may have been as big as 65 feet (20 m) long, Live Science previously reported.  

The largest megalodon teeth can reach more than 7 inches (17.8 cm) in length, which is more than twice as long as the teeth of the biggest great white sharks (Carcharodon carcharias), according to the Kentucky Geological Survey (opens in new tab) at the University of Kentucky. 

Sharks shed and grow new teeth throughout their lifetimes, so shark teeth are continuously falling to the seafloor where they may become fossilized. The sheer number of shark teeth that have been shed throughout their history helps increase the chances that some are preserved and found by humans after millions of years.  

The 2018 sci-fi movie "The Meg" pits a massive megalodon against actor Jason Statham, who coincidentally lived in Great Yarmouth when he was young, according to The Guardian (opens in new tab)

Originally published on Live Science.

Patrick Pester is a staff writer for Live Science. His background is in wildlife conservation and he has worked with endangered species around the world. Patrick holds a master's degree in international journalism from Cardiff University in the U.K. and is currently finishing a second master's degree in biodiversity, evolution and conservation in action at Middlesex University London.