Via PhysOrg:

… An international group of researchers
from the University of Leicester (UK), and the Geological Institute,
Beijing (China) have identified a new type of flying reptile –
providing the first clear evidence of an unusual and controversial type
of evolution.

Pterosaurs,
flying reptiles, also known as pterodactyls, dominated the skies in the
Mesozoic Era, the age of dinosaurs, 220-65 million years ago.
Scientists have long recognized two different groups of pterosaurs: primitive long-tailed forms and their descendants, advanced short-tailed pterosaurs some of which reached gigantic size…

Scientific American article on same.