New Cladogram of Metazoans (IMAGE) American Museum of Natural History Caption This is a new metazoan tree of life presented in Schierwater, et al. 2009. Credit AMNH 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.