As a public health precaution due to COVID-19, all Smithsonian museums are temporarily closed. We are not announcing a reopening date at this time and will provide updates on our websites and social media.
Pyenson, Nicholas D., Vélez-Juarbe, Jorge, Gutstein, Carolina S., Little, Holly, Vigil, Dioselina, and O'Dea, Aaron. 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 3:1–50. https://doi.org/10.7717/peerj.1227
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