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Argentina puts 65-million-year-old dinosaur replica on display

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Argentine paleontologists unveiled on Wednesday the replica of a 65-million-year-old skeleton of a plesiosaur marine reptile found in a Patagonian lake in 2009.

[BUENOS AIRES] Argentine paleontologists unveiled on Wednesday the replica of a 65-million-year-old skeleton of a plesiosaur marine reptile found in a Patagonian lake in 2009.

"We've been working since 2009 until now to liberate the fossil from the rock surrounding it, making a reproduction and hanging it here in the museum hall," paleontologist Fernando Novas of the Bernardino Rivadavia Natural Science Museum in Buenos Aires told AFP.

The fossil is of a marine reptile found in Cretaceous period rocks close to the southern town of El Calafate, 2,800km from Buenos Aires.

The remains of this plesiosaur are the most complete found in Argentina and were discovered in rocks submerged in Lake Argentino at the foot of the Andes mountains.

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"It was around 50cm under the water and part of the lake had to be drained to take out the rocks," said scientist Marcelo Isasi.

Four tons of rocks had to be removed to unearth the fossil remains, found just 500m from an international airport.

Plesiosaurs were huge marine reptiles that lived in seas throughout the entire planet inhabited the entire planet, with long necks, tiny heads and sharp teeth.

It was an era before the Andes existed and when Argentine Patagonia lay underwater.

The fossil is 9m long with each fin measuring 1.3m.

AFP