Eelgrass Limpet (IMAGE) University of California - Santa Barbara Caption One of 15 marine species declared extinct, the eelgrass limpet (Lottia alveus) lived in the western Atlantic Ocean until 1929. Credit UCSB 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.