Visconti, G., and E.E. De Elgorriaga. 2003. “Marine Sediments of the Barranca Final Formation (Middle-Upper Miocence of the Colorado Basin) in South-East La Pampa Province, Argentina”. Revista De La Asociación Geológica Argentina 58 (2):187-93. https://revista.geologica.org.ar/raga/article/view/1505.