Prehistoric Giant Mammal Fossil Unearthed in Argentina's Neuquén

Jorge Necul, a resident of Mariano Moreno in Argentina's Neuquén province, stumbled upon a significant prehistoric discovery: the fossilized remains of a glyptodon. This extinct mammal, related to modern armadillos, could grow up to 3.3 meters long and weigh over a ton.

The find is particularly noteworthy because it includes several bones and a large portion of the creature's shell. Geologists are intrigued by the discovery, as the animal's presence is unusual in this specific area, unlike its more common occurrence in the Pampas region. Alberto Garrido, a geologist from Zapala and director of the Olsacher Museum, told local media that the find compels experts to re-examine and potentially revise the geological maps of the entire region.

Initial assessments suggested the fossils belonged to the La Bardita Formation, dating back 12 million years. However, closer examination of the shell fragments has led to a revised estimate, placing the glyptodon in the Pleistocene epoch, between 700,000 and 1 million years old. The discovery was made in a sedimentary area not previously marked on the province's geological maps, exciting researchers who see it as an opportunity to "rewrite the geology in this sector of Neuquén."

Researchers initially mistook the find for a dinosaur egg due to the size of some structures, but confirmed it was a large mammal. Glyptodonts, despite their size comparable to a small car and weight exceeding two tons, could not retract into their rigid shells like armadillos. The Olsacher Museum team is now planning the complex logistics of excavating the fossil, facing challenges from weather conditions that could affect the drying of plaster used for preservation during transport. The final destination of the fossil will be decided by the Provincial Directorate of Cultural Heritage.

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This obliges us to rewrite the geology in this sector of Neuquén. It is something we did not expect to find here and it excites us more every day.