(IMAGE) Institute of Science and Technology Austria Caption Marine snails on the seashore. Littorina snails are common on the rocky shores of Europe, the UK, and the East Coast of the USA. Credit © Daria Shipilina Usage Restrictions Free to use when reporting about paper. 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.