Naegel, L. C. “Laboratory Spawning of the Purple Snail <i>Plicopurpura pansa</i≫ (Gastropoda: Muricidae)”. Revista De Biología Tropical, vol. 52, no. 1, Mar. 2004, pp. 57–65, https://revistas.ucr.ac.cr/index.php/rbt/article/view/14702.