Davenport, T.R.B.; Stanley, W.T.; Sargis, E.J.; De Luca, D.W.; Mpunga, N.E.; Machaga, S.J.; Olson, L.E. (2006). A new genus of African monkey, Rungwecebus: morphology, ecology, and molecular phylogenetics. Science (Washington D C), 312 (5778), 1378-1381