Keywords: paleobotany fossil yellowstone national park yellowstonenationalpark YELL_92942: The fossil featured here is a leaf of a Macginitiea wyominensis, which is a member of the sycamore family. This particular plant existed during the Eocene, between 50 and 34 million years ago. Collecting any natural resources, including rocks and fossils, is illegal in Yellowstone. Photo by Megan Norr; March 2016; Catalog #20806d; Original #YELL_92942 YELL_92942: The fossil featured here is a leaf of a Macginitiea wyominensis, which is a member of the sycamore family. This particular plant existed during the Eocene, between 50 and 34 million years ago. Collecting any natural resources, including rocks and fossils, is illegal in Yellowstone. Photo by Megan Norr; March 2016; Catalog #20806d; Original #YELL_92942 |