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Beresi, M.S. y Banchig, A.L. 2022. First hexactinellid spicules from the Late Cambrian olitofish of the Los Sombreros Formation, Tontal Range, San Juan Precordillera, Argentina. Spanish Journal of Palaeontology. 12, 2 (mar. 2022), 141–150. DOI:https://doi.org/10.7203/sjp.24015.