Trilobite (IMAGE) University of Kansas Caption The trilobite Acanthopyge, from Oklahoma, in the collections of the Division of Invertebrate Paleontology in the KU Biodiversity Institute. Credit Steven Wagner Usage Restrictions None 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.