Secuencia estratigráfica Sahelanthropus tchadensis

TOmado de Lebatard, A. E., et al. (2008), "Cosmogenic nuclide dating of Sahelanthropus tchadensis and Australopithecus bahrelghazali: Mio-Pliocene hominids from Chad". Proceedings of the National Academy of Science, vol. 105, núm. 9, p. 3226-3231.