While some Neanderthal individuals do possess a mental protuberance, their chins never show the inverted T-shape of modern humans.
2.
Another anatomical difference between Neanderthals and modern humans is the former's lack of a mental protuberance ( the point at the tip of the chin ).
3.
This ridge divides below and encloses a triangular eminence, the mental protuberance, the base of which is depressed in the center but raised on either side to form the mental tubercle.