Trace fossils and sedimentary facies from a Late Cambrian‐Early Ordovician tide‐dominated shelf (Santa Rosita Formation, northwest Argentina): Implications for ichnofacies models of shallow marine successions - Mángano, M. Gabriela; Buatois, Luis; Acenolaza, Guillermo (Ichnos: An International Journal for Plant and Animal Traces, 1996)