Dental Variability in , an Early Squirrel Monkey from La Venta, Colombiav. 12No. 3Springer291–301
Rosenberger, A. L., Hartwig, W. C., Takai, M., Setoguchi, T., and Shigehara, N. 1991. "Dental Variability in Saimiri and the Taxonomic Status of Neosaimiri fieldsi, an Early Squirrel Monkey from La Venta, Colombia." International Journal of Primatology, 12, (3) 291–301.