Hadrosaurid Dental Battery (image) American Museum of Natural History Caption This photo shows the horse-like chewing surface in a hadrosaurid dental battery. The crests and basins form through differential wear of the dental tissues. Credit G. M. Erickson/Florida State University Usage Restrictions Can be used with appropriate credit 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.