Pyrgulifera matheronii (IMAGE) Naturalis Biodiversity Center Caption Pyrgulifera matheronii, a freshwater snail common at the time of the dinosaurs and extinct along with them. Cretaceous, Hungary. Credit Mathias Harzhauser, NHM Vienna. Usage Restrictions The image may only be used with appropriate credit. 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.