Fig 1 (IMAGE) University of Bristol Caption Fossil of Timorebestia koprii. The scientists used a technique called an electron microprobe to map the carbon in the fossil out, which reveals anatomical features with immense clarity including its fin rays and muscle systems. Credit Dr Jakob Vinther Usage Restrictions Once with release 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.