Diplichnites Highlighted (IMAGE) Geological Society of America Caption Close-up of one of the millipede trackways. Credit Photo by Anthony Shillito. Usage Restrictions Photo by Anthony Shillito. 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.