Example network (IMAGE) University of Texas at Austin Caption An example of network with connections between various forms of ancient sea life. This chart is a teaching tool and is not the actual network constructed by researchers in the study. Credit Drew Muscente. Usage Restrictions Include credit License Original 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.