McCosker, J. E., and R. J. Lavenberg. “<i>Gordiichthys combibus</i≫, a New Species of Eastern Pacific Sand-Eel (Anguilliformes: Ophichthidae)”. Revista De Biología Tropical, vol. 49, no. S1, July 2001, pp. 7–12, https://revistas.ucr.ac.cr/index.php/rbt/article/view/26202.