Jellyfish fossil display at ROM (IMAGE) Royal Ontario Museum Caption Display of Burgessomedusa phasmiformis in the Burgess Shale section of ROM Willner Madge Gallery, Dawn of Life. Credit Photo by David McKay. © Royal Ontario Museum Usage Restrictions No restriction. 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.