A New Late Miocene Chondrichthyan Assemblage from the Chagres Formation, PanamaDOI: info:10.1016/j.jsames.2015.02.001v. 60Elsevier56–70
Carrillo-Briceño, Jorge D., De Gracia, Carlos, Pimiento, Catalina, Aguilera, Orangel A., Kindlimann, René, Santamarina, Patricio, and Jaramillo, Carlos A. 2015. "A New Late Miocene Chondrichthyan Assemblage from the Chagres Formation, Panama." Journal of South American Earth Sciences, 60 56–70. https://doi.org/10.1016/j.jsames.2015.02.001.