Head and body of Elysia cf. marginata (VIDEO) Cell Press This video is under embargo. Please login to access this video. Caption This video shows the head and the body of Elysia cf. marginata, 3 days after autotomy. The head moves spontaneously, and the body moves slightly, reacting to contact stimuli. Credit Sayaka Mitoh Usage Restrictions Credit Required. 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.