<i>Wiwaxia</i> Mouthparts (IMAGE) University of Toronto Caption This is an electron micrograph of Wiwaxia mouth parts seen in Figure 2. Credit Martin Smith 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.