Skull of Neolithic Dog (IMAGE) Johannes Gutenberg Universitaet Mainz Caption The skull of the 4,700-year-old Neolithic dog was found in the Kirschbaumhöhle (Cherry Tree Cave), here still in situ before whole genome sequencing. Credit photo/©: Timo Seregély, University of Bamberg Usage Restrictions This image may only be used in connection with the press release "Modern domestic dog has a single geographic origin", issued by Johannes Gutenberg University Mainz on August 7th, 2017. 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.