Olivero, Eduardo B., Francisco A. Medina, and María I. Lopez C. 2009. “ The Stratigraphy of Cretaceous Mudstones in the Eastern Fuegian Andes: New Data from Body and Trace Fossils”. Revista De La Asociación Geológica Argentina 64 (1):60-69. https://revista.geologica.org.ar/raga/article/view/1295.