A. Vargas-Zamora, José, and Jeffrey A. Sibaja-Cordero. 2011. “Molluscan Assemblage from a Tropical Intertidal Estuarine Sand-Mud Flat, Gulf of Nicoya, Pacific, Costa Rica (1984-1987)”. Revista De Biología Tropical 59 (3):1135–1148. https://doi.org/10.15517/rbt.v0i0.3386.