Cave Art Sting Ray (IMAGE) Geological Society of America Caption Over time, the cave art transitioned from more basic geometric shapes, to detailed images of recognizable animals, like this sting ray. Credit A. Acosta-Colon. Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.