Pimiento, C. & González-Barba, G. & Hendy, A.J.W. & Jaramillo, C. & Macfadden, B.J. & Montes, C. & Suareza, S.C. & Shippritt, M. (2013)
Early Miocene chondrichthyans from the Culebra Formation, Panama: a window into marine vertebrate faunas before closure the Central American Seaway.
Journal of South American Earth Sciences, 42, 159–170 DOI: 10.1016/j.jsames.2012.11.005