The Earliest Primate in its Habitat (image) European Synchrotron Radiation Facility Caption This is an artist impression of Archicebus achilles in its natural habitat of trees. Credit Credit CAS/Xijun Ni. Usage Restrictions None 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.