The find is named Darwinopterus, after famous naturalist Charles Darwin.
Experts say it provides the first clear evidence of a controversial type of evolution called modular evolution. The 20 new fossils found in north-east
Until now scientists had known about two distinct groups of these creatures - primitive, long-tailed pterosaurs and more advanced short-tailed ones, separated by a huge gap in the fossil record. But the discovery of more than 20 new fossil skeletons in north-east
They fossils were found in rocks that were 160 million years old, making them 10 million years older than the first bird, Archaeopteryx