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A dodo huntsman made an astonishing discovery while diving in a Florida river — the fossilized   mandibula of a mammoth .

John Kreatsoulas , who runsFossil Junkies Dig and Dive Charters , an organisation that runsfossil - hunt tripsfor the world , let out the intact fossil while search a surgical incision of the Peace River near the city of Arcadia .

Man sits beside a river in a wetsuit holding a fossil engraved with lines, sitting next to two others found.

John Kreatsoulas pulled the mammoth jaw up from the Peace River in Florida while diving for fossils.

He initially thought the detail was a log , but on closer inspection , realized it was a big mandible .

Kreatsoulas does n’t know exactly how old the specimen is , but believes it could be at least 10,000 twelvemonth old .

" I grabbed onto it just to hold on for a second , and I realise — ' wait for a second base , that ’s not a Sir Herbert Beerbohm Tree , that was a mammoth jaw , ' " he toldNBC2 , a local Florida electric receptacle .

Boat with a red flag on side of river with a large fossil inside

The mammoth jaw is at least 10,000 years old.

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Kreatsoulas is plan to take the lower jawbone to be clean and analyzed by experts in Tampa , who will be able to determine the fossil ’s years with radiocarbon dating . This is where researcher decide the tier of exceptional radioactive elements — often carbon 14 — in a fogy to puzzle out out when an brute died . The ivory will also be register with the State of Florida , so it may end up in a museum rather than in Kreatsoulas ' personal collection at home .

It ’s not bonk just what kind of mammoth the fossil belong to , but Columbian mammoths ( Mammuthus columbi ) dwell North America — and as far south as Costa Rica — during the Pleistocene epoch ( 2.6 million years to 11,700 years ago ) .

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A photograph of researchers wrapping a mammoth tusk in plaster on the O2 Ranch in West Texas.

The Columbian mammoth was likely a cross between the woolly mammoth ( Mammuthus primigenius ) and an unknown linage of mammoth that arrived in North America from Siberia around 1.5 million years ago , according to DNA research .

Columbian mammoth went extinct between 13,000 and 10,000 days ago , at theend of the last ice eld . warm temperatures caused a loss of home ground for these megafauna , which merge with mankind hunt go to huge universe declines .

This is n’t the first time mammoth fossil have been found in Florida ’s Peace River . In 2021,divers discovered a 4 - foot ( 1.2 beat ) mammoth leg bonein the water . Meanwhile , in northern Florida , researchers have unearth a 5.5 million - year - old"graveyard " of gomphothere , a four - tusk relation of modern elephants , that had belike drowned in a prehistorical river there .

An illustration of a woolly mammoth standing in front of a white background.

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