Figure 2 (IMAGE) The University of Hong Kong Caption Figure 2. Late Jurassic pterodactyloid pterosaur in flight. This pterosaur used a muscular wing root fairing to achieve additional flight performance benefits, including a more powerful flight stroke and sophisticated control of the wing’s shape. (Image credit: Alex BOERSMA & PNAS) Credit Alex BOERSMA & PNAS Usage Restrictions This work is licensed for non-commercial, non-exclusive, one-time usage with attribution to the copyright holder. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.