Zapata-Ríos, G., & Utreras B., V. (2004). Notes on the distribution of tucuxi, <i>Sotalia fluviatilis</i> (Cetacea: Delphinidae), in Ecuadorian Amazonia. Latin American Journal of Aquatic Mammals, 3(1), 85-87. https://doi.org/10.5597/lajam00054