<I>Labidolemur kayi</I> Fossil (IMAGE) Wiley Caption This well-preserved fossil a 55-million-year-old extinct mammal, Labidolemur kayi, was recovered from freshwater limestone in the Bighorn Basin near Yellowstone National Park in Wyoming. The specimen helped University of Florida scientists write a comprehensive analysis of L. kayi's cranial anatomy, scheduled to appear in the Oct. 11 online edition of the Zoological Journal of the Linnean Society. Credit Photo taken Thursday Sept. 30, 2010, at the Florida Museum of Natural History. Florida Museum photo by Kristen Grace 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.