Lucas, P. W., Omar, R., Al-Fadhalah, K., Almusallam, A. S., Henry, A. G., Michael, S., et al. (2017). Tooth wear: A response to "Scratching the surface: A critique of Lucas et al. (2013)'s conclusion that phytoliths do not abrade enamel" [J. Hum. Evol. 74 (2014) 130–133]. Journal of Human Evolution, 102, 75-77. doi:10.1016/j.jhevol.2016.08.004.