G. Suwa, B. Asfaw, R. T. Kono, D. Kubo, C. O. Lovejoy, and T. D. White. The Ardipithecus ramidus skull and its implications for hominid origins. Science, volume 326, issue 5949, pages 68e1-7, October 2009. G. Suwa, B. Asfaw, R. T. Kono, D. Kubo, C. O. Lovejoy, and T. D. White. The Ardipithecus ramidus skull and its implications for hominid origins. Science, volume 326, issue 5949, pages 68e1-7, October 2009.