A. B. Rezende, J. C. Stevaux, M. Parolin, e R. L. Guerreiro, “Sponge spicules as proxy in Upper Quaternary lake deposits near Cianorte (PR): a tentative correlation with lakes of Central-Southern Brazil (NW Paraná and SE Mato Grosso do Sul”, ABEQUA, vol. 9, nº 2, ago. 2018.