Gorgonsopian Specimen (IMAGE) Field Museum Caption The arrow on this gorgonsopian skull indicates where the fossil scleral ring is found. Credit Kenneth Angielczyk Usage Restrictions Must use credit. 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.