<i>Orthacanthus</i> Coprolite (IMAGE) Trinity College Dublin Caption Image of a thin-section through an Orthacanthus coprolite with a black box indicating the tooth of an Orthacanthus. Credit Aodhán Ó Gogáin (Trinity College Dublin) Usage Restrictions Please credit source. 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.