Assemblage linéaire d’Ampyx priscus (IMAGE) CNRS Caption Assemblage linéaire d’Ampyx priscus (Ordovicien inférieur, Schistes des Fezouata, Maroc) Credit Jean Vannier, Laboratoire de Géologie de Lyon: Terre, Planètes, Environnement (CNRS / ENS de Lyon / Université Claude Bernard Lyon 1) 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.