Remains of a Ginkgo Leaf (IMAGE) Lund University Caption Remains of a ginkgo leaf that has been preserved in fossil from the Jurassic era. Credit Photographer: Vivi Vajda 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.