Blanco, Juan Felipe, Silvana Tamayo, and Frederick N. Scatena. “Phenotypic Variability of the Shell in Neritinidae (Gastropoda: Neritimorpha) in Puerto Rican Rivers”. Revista de Biología Tropical 62, no. S2 (April 1, 2014): 52–68. Accessed April 29, 2024. https://www.revistas.ucr.ac.cr/index.php/rbt/article/view/15778.