Osteoderms (IMAGE) University of Texas at Austin Caption A bony plate of armor called an osteoderms from the trunk region of Garzapelta muelleri. Top image is the osteoderm as seen from above. The bottom image is the osteoderm seen from the side. Scale bar is 5 centimeters. Credit William Reyes Usage Restrictions Include photo credit 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.