Late Paleocene fossils from the Cerrejón Formation, Columbia, are the earliest record of Neotropical rainforest

S. L. Wing, F. Herrera, C. A. Jaramillo, C. Gómez-Navarro, P. Wilf, and and C. C. Labandeira

2009

Article

Proceedings of the National Academy of Sciences

Find it at:

http://dx.doi.org/10.1073/pnas.0905130106