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The rise and rise of the flying reptiles
Date:7/6/2011

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'Pterosaurs were at the height of their success about 125 million years ago, just as the birds became really diverse too,' said Dr Marcello Ruta. 'Our new numerical studies of all their physical features show they became three times as diverse in adaptations in the Early Cretaceous than they had been in the Jurassic, before Archaeopteryx and the birds appeared.'

Pterosaurs dwindled and disappeared 65 million years during the mass extinction that killed the dinosaurs. In their day they had been a fair match for the birds, and the two groups divided up aerial ecospace between them, so avoiding conflict.

'We're delighted to see a student mastering some tough mathematical techniques, and coming up with such a clear-cut result,' said Professor Michael Benton. 'Palaeontologists have often speculated about the coming and going of different groups of animals through time, but the new study provides a set of objective measurements of the relative success and breadth of adaptation of pterosaurs through their long time on the Earth.'


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Contact: Hannah Johnson
hannah.johnson@bristol.ac.uk
44-117-928-8896
University of Bristol
Source:Eurekalert

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