del Río, Claudia-J., and Sergio Martínez. 2021. “Diversity and Biostratigraphy of the Late Oligocene-Late Miocene Sand Dollars (Echinoidea: Scutelliformes) of Argentina and Uruguay”. Revista De Biología Tropical 69 (S1):S35–S50. https://doi.org/10.15517/rbt.v69iSuppl.1.46324.