X-ray Scan of Ammonite (IMAGE) European Synchrotron Radiation Facility Caption Fragment of the habitation chamber of a <I>Baculites</I> fossil (AMNH 55901), mounted on the mictotomography beamline ID19 at the ESRF. The laser symbolizes the position of the X-ray beam which first traverses the fossil and then hits the detector. Credit ESRF/I. Montero Usage Restrictions None 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.