Project 2633: N. D. Pyenson, J. Vélez-Juarbe, C. S. Gutstein, H. Little, D. Vigil, A. O’Dea. 2015. Isthminia panamensis, a new fossil inioid (Mammalia, Cetacea) from the Chagres Formation of Panama and the evolution of ‘river dolphins’ in the Americas. PeerJ. 3:e1227.
