Living Reconstruction of the Prehistoric Mammal (image) University of Bonn Share Print E-Mail Caption Living reconstruction of the prehistoric mammal Spinolestes in the Cretaceous-period Las Hoyas wetland. Credit Drawing: Oscar Sanisidro. With permission of Nature Publishing Group Usage Restrictions None Share Print E-Mail 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.