Project 407: F. Herrera, S. R. Manchester, S. B. Hoot, K. M. Wefferling, M. R. Carvalho, C. Jaramillo. 2011. Phytogeographic implications of fossil endocarps of Menispermaceae from the Paleocene of Colombia. American Journal of Botany. 98 (12):2004-2017.
This project has 22 specimens.