6/13/2013

Fourteen confirmed species of ancient winged reptiles, known as pterosaurs, have been identified from fossils found in England. Researchers cataloged a collection of 110-million-year-old pterosaur fossils into a family tree, which revealed that the English species are closely related to species found in Brazil and China that also lived during the Cretaceous period, suggesting the pterosaurs had a common ancestor. "We don't know the origin [of the ancestor], but we do know that about this time, 110 million years ago, they were already widespread in the world," said pterosaur researcher Taissa Rodrigues of Brazil.

Full Story:
LiveScience.com

Related Summaries