Maniraptoran Teeth (IMAGE) Cell Press Caption This image depicts representative teeth from the four groups of bird-like dinosaurs (including toothed birds) analyzed in this study, with enlarged images of tooth serrations. Scale = 1 mm. Credit Don Brinkman. Modified from Larson et al. 2010. Can. J. Earth Sci. 47: 1159-1181. Usage Restrictions Credit Required. 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.