Integrated Chronology, Flora and Faunas, and Paleoecology of the Alajuela Formation, Late Miocene of PanamaDOI: info:10.1371/journal.pone.0170300v. 12No. 1Public Library of Science
MacFadden, Bruce J., Jones, Douglas S., Jud, Nathan A., Moreno-Bernal, Jorge, Morgan, Gary S., Portell, Roger W., Perez, Victor J., Moran, Sean M., and Wood, Aaron R. 2017. "Integrated Chronology, Flora and Faunas, and Paleoecology of the Alajuela Formation, Late Miocene of Panama." PLOS ONE, 12, (1). https://doi.org/10.1371/journal.pone.0170300.