Fossil Mayfly Trapped in Amber (IMAGE) PLOS Caption This is a photomicrograph of mayfly specimen in Miocene Dominican amber. Credit Penney D, McNeil A, Green DI, Bradley RS, Jepson JE, et al. (2012) Ancient Ephemeroptera–Collembola Symbiosis Fossilized in Amber Predicts Contemporary Phoretic Associations. <i>PLoS ONE</i> 7(10): e47651. doi:10.1371/journal.pone.0047651 Usage Restrictions With credit to source 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.