Vol. 25 Núm. 2 (2018)
Special Issue: "Sedimentary systems from the Austral-Magallanes Basin, Southern Patagonia."
Cover Photo: Field photograph of one of the Crassostrea orbignyi reefs at Cerro Observación, Miocene of the Austral Basin, Santa Cruz Province (for further details see Parras and Cuitiño pp. 93-115, this issue).