Duck-billed dinosaur roamed Chile 72 million years in the past

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A duck-billed herbivorous dinosaur lived on the river plains of Patagonia in southern Chile 72 million years in the past.  

A paleontologist checks fossilised bones of the ‘Gonkoken nanoi’, a newly recognized duck-billed dinosaur that inhabited the Chilean Patagonian space, at El valle del rio de las Chinas, close to Torres del Paine, Magallanes and Antarctic area, Chile, on this undated handout picture obtained by Reuters on June 15, 2023. Universidad de Chile/Handout through REUTERS

In line with the examine revealed in Science Advances, the dinosaur, dubbed Gonkoken nanoi, weighed as much as a metric ton and will develop to 4m lengthy.  

This investigation has spanned nearly a decade after an expedition led by the Chilean Antarctic Institute (INACH) unearthed fragments of yellowish bones on the base of a hillside near the favored vacationer vacation spot Torres del Paine in Patagonia.  

Paleontologists work on the place the place the fossilised bones of the ‘Gonkoken nanoi’ have been discovered, a newly recognized duck-billed dinosaur, that inhabited the Chilean Patagonian space, at El valle del rio de las Chinas, close to Torres del Paine, Magallanes and Antarctic area, Chile, on this undated handout picture obtained by Reuters on June 15, 2023. Universidad de Chile/ Handout through REUTERS

‘At first, we thought it was from the identical group as different South American hadrosaurs, however because the examine progressed, we realised that it was one thing unprecedented,’ the principle creator of the examine Jhonathan Alarcon informed Reuters.  

Alarcon and his workforce painstakingly eliminated greater than 100 items, cautious to not injury others. Then, the scientists checked that the bones belonged to the identical species and in contrast them with present analysis to verify it was a brand new species.  

‘The Gonkoken nanoi shouldn’t be a sophisticated duck-billed dinosaur, however fairly an older transitional duck-billed lineage: an evolutionary hyperlink to superior kinds,’ Alexander Vargas, one other examine creator, informed Reuters. 

A paleontologist checks a fossilised bone of the ‘Gonkoken nanoi’, a newly recognized duck-billed dinosaur, that inhabited the Chilean Patagonian space, at El valle del rio de las Chinas, close to Torres del Paine, Magallanes and Antarctic area, Chile, on this undated handout picture obtained by Reuters on June 15, 2023. Universidad de Chile/ Handout through REUTERS

Scientists have used this analysis to digitally reconstruct the skeleton and are hoping to 3-D print it for public viewing.  

What’s in a reputation? Gonkoken combines two phrases from the Aonikenk language, ‘Gon’ that means related or much like and ‘koken’ that means wild duck or swan. The indigenous Aonikenk individuals lived in Patagonia till the tip of the nineteenth century. 

Alarcon says that ‘nanoi’ is in recognition of Mario ‘nano’ Ulloa, a former ranch keeper who gave the workforce logistical help once they first found the species.

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