Beresi, M. S., O. L. Bordonaro, S. E. Heredia, A. Mestre, and B. A. Toro. 2017. “The Lower Darriwilian (Middle Ordovician) at the Northern Extreme of the Mendoza Precordillera, Argentina: Stratigraphic and Biostratigraphic Implications”. Boletín Geológico Y Minero 128 (1):93-110. https://doi.org/10.21701/bolgeomin.128.1.005.