Fig. 2 (IMAGE) Chinese Academy of Sciences Headquarters Caption Embryo 12, the most complete one, containing a partial wing and cranial bones, including a complete lower jaw. Photo and line drawing showing the lower jaw exposed in ventral view (A, B), scale bar 10 mm; (C) Close-up of the lower jaw, scale bar 5 mm; (D) Close-up of the anterior portion of the lower jaw in left view, scale bar 1 mm. Credit Image by WANG Xiaolin Usage Restrictions None License Licensed 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.