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A shark the size of a semi truck swims through the sea . feel prey ahead , the monster attack , open up a mouth crowing than a subway elevator car turn sideways , and line with teeth the size of a man ’s script .

Fiction ? scarcely . Ancient history ? Absolutely .

Our amazing planet.

Plenty of standing room: Carcharocles megalodon was the largest shark that ever lived on Earth.

And next month , anyone with a trim half - million dollar or so can make a fun for the most striking remains of these prehistoric creatures ever discovered .

The world’slargest shark jaw , 9 feet ( 2.7 meters ) tall and 11 feet ( 3.4 meters ) across , goes up for sale on June 21 , at Heritage Auctions in Dallas , Texas .

The jaws are construct with 182 fossilized tooth of the world ’s largest shark , Carcharocles megalodon , which go extinct about 2 million year ago . They present the life work of Vito Bertucci , a jeweler - wrench - dodo hunter who spent nearly two decade searching for the monumental teeth used in the jaw .

sharks, shark teeth, shark jaws, megalodon, heritage auctions, great white sharks, carcharocles megalodon, vito bertucci, fossils, fossil hunters, prehistoric sharks

Plenty of standing room: Carcharocles megalodon was the largest shark that ever lived on Earth.

minimal bid is $ 625,000 , but the jaws are expected to bring in up to $ 700,000 , allot to David Herskowitz , managing director of Heritage ’s born chronicle department .

The jaw has four shark ’s teeth that are more than 7 inch ( 18 centimeters ) long — an utmost rarity . " I think there are credibly less than 10 known in existence , " Herskowitz say .

mystic monstrosity

an illustration of a shark being eaten by an even larger shark

For 1000000 of year , C. megalodon , one of the large predators to ever survive on Earth , trolled nearly all the planet ’s sea . Researchers have get grounds of the jumbo sharks stretching back 20 million yr , but the species go away from the fossil record about 2 million years ago .

The sharks went extinct at a clock time whenglacierscovered bombastic swath of the globe , " and some people think that may be related to the extinction of this specie , but it has n’t been established , " say Catalina Pimiento , aMegalodonresearcher with the University of Florida and the Smithsonian Tropical Research Institute .

Like shark alive today , the prehistoricMegalodon ’s skeleton was made of cartilage , not osseous tissue , so the creatures left little behind for researchers to consider . " The only remain you may find in the fogy phonograph record are the teeth , because they ’re hard enough to preserve through geologic time , " Pimiento say .

An illustration of McGinnis� nail tooth (Clavusodens mcginnisi) depicted hunting a crustation in a reef-like crinoidal forest during the Carboniferous period.

Although that may not seem like much to go on , scientists have been able to use equations based on their noesis ofgreat white shark physiology — the modern - Clarence Day species that most closely resembles Megalodon — to generalise just how big the ancient shark grew .

The jaw up for sales event in June would interpret a truly monstrous shark . One that , according to Heritage Auctions , would have been 60 feet ( 18 m ) long — a declamatory specimen , even for outsize Megalodons .

Shark daydream

A photograph of a newly discovered mosasaur fossil in a human hand.

Vito Bertucci set the fossilise teeth in their massive fibreglass frame more than 15 years ago . With the assist of researchers , Bertucci base the dimensions and contingent of the jaw ongreat white sharks .

A gemologist and a jeweler by trade , and an avid scuba diver , Bertucci ’s Passion of Christ for shark tooth fossils finally outshone his other pursuits . He spend class combing the mirky rivers and lakes of South Carolina for the prehistoric treasures .

" You could go to a wedding , he ’d be in a dinner jacket , and he ’d force one of these elephantine teeth out of his pocket , " state Joseph Bertucci , Vito ’s brother , who still live where the brother grew up on Long Island .

The oddity of an octopus riding a shark.

Vito died in October 2004 , drowned in a muddy river in Georgia , look for for the tooth he loved to run . It ’s not open what go ill-timed , but scuba dive weather condition were dangerous .

" It ’s like diving in a cup of coffee bean . You ca n’t see your hand in front of you , " Bertucci said .

Vito ’s body surfaced four days after he disappeared . He had four Megalodon tooth in his pocketbook when he was found .

A photograph of the head of a T. rex skeleton against a black backdrop.

Although Vito build several other jaws from his fossils — they are on display in the American Museum of Natural account in New York , and at the Baltimore Aquarium , among other places — Joseph Bertucci said his brother always wanted to sell the largest jaw he ever built , but could never find a purchaser with cryptic enough pouch .

Joseph aver he hop the tremendous jaws will obtain a new home seed June .

" It ’s kind of semisweet , " Bertucci said . " I bonk that he loved this matter . "

Artist illustration of scorpion catching an insect.

Great white sharks (Carcharodon carcharias) are most active in waters around the Cape Cod coast between August and October.

The ancient Phoebodus shark may have resembled the modern-day frilled shark, shown here.

A school of scalloped hammerhead sharks (Sphyrna lewini) swims in the Galapagos.

Thousands of blacktip sharks swarm near the shore of Palm Beach, Florida.

Whale sharks are considered filter feeders, as they filter tiny fish from the water using the fine mesh of their gill-rakers.

Fermin head-on

An image comparing the relative sizes of our solar system�s known dwarf planets, including the newly discovered 2017 OF201

a view of a tomb with scaffolding on it

an illustration showing a large disk of material around a star

A small phallic stalagmite is encircled by a 500-year-old bracelet carved from shell with Maya-like imagery

a person holds a GLP-1 injector

A man with light skin and dark hair and beard leans back in a wooden boat, rowing with oars into the sea