The Amoeba <i>Paulinella</i> (IMAGE) Rutgers University Caption The amoeba, Paulinella, which has two large, sausage-shaped plastids for photosynthesis. Credit Hwan Su Yoon 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.