Martín-Cao-Romero, Carolina, Francisco Alonso Solís-Marín, Juan José Alvarado, and Alfredo Laguarda-Figueras. “New Record of the Starfish Ophidiaster Ludwigi (Echinodermata: Asteroidea) from the Pacific of Mexico and Costa Rica”. Revista de Biología Tropical 65, no. S1 (November 1, 2017): S253–S257. Accessed March 28, 2024. https://revistas.ucr.ac.cr/index.php/rbt/article/view/31693.