Cretaceous Snails Conceal Themselves in Monuments in Madrid (image) FECYT - Spanish Foundation for Science and Technology Share Print E-Mail Caption In the Fountain of Apollo stone (shown in the image) and the four fountains facing the Museo del Prado, the Trochactaeon lamarcki fossils, a species of gastropod which lived around 85 million years ago, are easily seen. Credit D.M. Freire-Lista /IGEO 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.