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Giant tooth hints at truly monumental dinosaur

Posted By -NO AUTHOR- On 12/26/2012 @ 11:31 pm In Diversions | No Comments

(New Scientist) They were the biggest animals ever to walk the Earth – now a new fossil suggests the largest sauropod dinosaurs were even bigger than we thought.

Sauropods were enormous plant-eating beasts with long necks and tails. The biggest are aptly named titanosaurs, and could reach 30 metres long and weigh 80 tonnes.

But some titanosaurs may have been even bigger than that, says Rodolfo García at the National University of Río Negro in Argentina. He has found a 7.5-centimetre-long titanosaur tooth at Salitral de Santa Rosa in Río Negro – that makes it 32 per cent longer than the previous record holder.


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