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

A reproduction of the skeleton of a 65-million-year-old plesiosaur marine reptile discovered in cretaceous rocks in Argentine Pa
A reproduction of the skeleton of a 65-million-year-old plesiosaur marine reptile discovered in cretaceous rocks in Argentine Patagonia

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 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 found in Cretaceous period rocks close to the southern town of El Calafate, 2,800 kilometers (1,700 miles) 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.

"It was around 50 centimeters (1.64 feet) 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 , found just 500 meters (1,640 feet) 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.

The fossil was found in Cretaceous period rocks close to the southern town of El Calafate
The fossil was found in Cretaceous period rocks close to the southern town of El Calafate

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

The fossil is nine meters long with each fin measuring 1.3 meters.

Four tons of rocks had to be removed to unearth the fossil remains, found just 500 meters (1,640 feet) from an international air
Four tons of rocks had to be removed to unearth the fossil remains, found just 500 meters (1,640 feet) from an international airport

Explore further

Giant marine reptile lived in Antarctic 150 million years ago

© 2018 AFP

Citation: Argentina puts 65-million-year-old dinosaur replica on display (2018, December 20) retrieved 15 November 2019 from https://phys.org/news/2018-12-argentina-million-year-old-dinosaur-replica.html
This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.
10 shares

Feedback to editors

User comments